Fiber-Wireless Integration and Networking (FiWIN)

for Heterogeneous Mobile Data Communications


Journal papers

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2020

  • Xizi Tang, You-Wei Chen, Rui Zhang, Shuang Yao, Qi Zhou, Shuyi Shen, Mengqi Guo, Yaojun Qiao, and Gee-Kung Chang, "Low-complexity equalizer with a hybrid decision scheme for 50  Gb/s/λ PAM4-PON using a low-cost 10 G receiver," Opt. Lett. 45, 6278-6281
  • Li Zhao et al., “Probabilistic Shaping with Pre-equalization In W-band MM-wave Communication System With Heterodyne Coherent Detection”, Optical Fiber Technology
  • M. S. Omar and X. Ma, "Spectrum Design for Orthogonal Chirp Division Multiplexing Transmissions," in IEEE Wireless Communications Letters, doi: 10.1109/LWC.2020.3010774.
  • Y.-W. Chen, R. Zhang, C.-W. Hsu, G.-K Chang, “Key Enabling Technologies for Post-5G era: Fully Adaptive, All-Spectra Coordinated Radio Access Network with Function Decoupling”, accepted, IEEE Communication Magazine, 2020.
  • L. Huang, S. Liu, P. Dai, M. Li, G.-K Chang, Y. Shi, X. Chen, "Unified Performance Analysis of Hybrid FSO/RF System with Diversity Combining," accepted, IEEE Journal of Lightwave Technology, 2020.
  • R.-K. Shiu, Y.-W. Chen , P.-C. Peng, M.-H. Wen, S.-J. Su ; C.-W. Hsu, G.-K. Chang, “Optical Signal Processing for W-Band Radio-over-Fiber System with Tunable Frequency Response”, IEEE Journal of Selected Topics in Quantum Electronics, doi: 10.1109/JSTQE.2020.3012598.
  • J. Shi, J. He, Z. Jiang, and G.-K. Chang, “Modulation Format Shifting Scheme for Optical Camera Communication,” IEEE Photonics Technology Letters, Accepted, 2020.
  • S. Yao et al., "Flexible Coherent Communication System with Adaptable SNR and Laser Phase Noise Tolerance for Probabilistically Shaped QAM," in Journal of Lightwave Technology, doi: 10.1109/JLT.2020.3011076.
  • Run-Kai Shiu, You-Wei Chen, Peng-Chun Peng, Shang-Jen Su, Guan-Ming Shao, Justin Chiu, Jyun-Wei Li, and Gee-Kung Chang,“A Simplified Radio-over-Fiber System for over 100-km Long-reach n-QAM Transmission, ” IEEE Photonics Journal, 2020.
  • S. Shen, Y. Chen, Q. Zhou, J. Finkelstein and G. Chang, "Demonstration of Pattern Division Multiple Access with Message Passing Algorithm for Multi-Channel mmWave Uplinks via RoF Mobile Fronthaul," in Journal of Lightwave Technology, doi: 10.1109/JLT.2020.3005905.
  • R.-K. Shiu, Y.-W. Chen, P.-C. Peng, J. Chiu, Q. Zhou, T.-L. Chang, S. Shen, J.-W. Li, and G.-K. Chang, “Performance Enhancement of Optical Comb based Microwave Photonic Filter by Machine Learning Technique,” J. Lightw. Technol., early access, 2020.
  • Xizi Tang, Yaojun Qiao, You-Wei Chen, Yueming Lu, and Gee-Kung Chang, “Digital Pre- and Post-equalization for C-band 112-Gb/s PAM4 Short-reach Transport Systems”, Journal of Lightwave Technology, 2020.
  • J. Shi, Y.-W. Chen, J. He, Z. Zhou, X. Yan, R.-K. Shiu, and G.-K. Chang, "User-Specific Power Level Allocation Optimization for OFDM-NOMA in a Multi-User RoF system" Optics Letters, https://doi.org/10.1364/OL.399586.
  • L. Zhao, R.-K. Shiu, W. Zhou, R. Zhang, S. Shen, Y. Li, J. Yu, G.-K. Chang, “Nonlinear compensation in W-band MM-wave communication system with heterodyne coherent detection”, Optical Fiber Technology, vol. 54, Jan. 2020.
  • X. Li, J. Yu, G. K. Chang, “Photonics-Aided Millimeter-Wave Technologies for Extreme Mobile Broadband Communications in 5G”, Journal of Lightwave Technology, vol. 38, no. 2, pp. 366-378, 15 Jan. 2020.
  • Y. Li, W. Zhou, Y. W. Chen, Y. Chen, Y. Huang, K. Li, J. Yu, G. K. Chang, “Optical comb generator with flat-topped spectral response using one electroabsorption-modulated laser and one phase modulator”, Optical Engineering, vol. 59, Jan. 2020.
  • Y. Li, Y.-W. Chen, W. Zhou, X. Tang; J. Shi, L. Zhao, J. Yu, G.-K. Chang, “D-band mm-wave SSB vector signal generation based on cascaded intensity modulators”, IEEE Photonics Journal, vol. 12, Apr. 2020.
  • S. Yao, Y.-W. Chen, S.-J. Su, Y. Alfadhli, S. Shen, R. Zhang, Q. Zhou, and G. -K. Chang," Non-orthogonal Uplink Services through Co-Transport of D-RoF/A-RoF in Mobile Fronthaul,” J. Lightw. Technol., early access, 2020.
  • W. Zhou, L. Zhao, J. Zhang, K. Wang, J. Yu, Y.-W. Chen, S. Shen and G.-K. Chang, “135-GHz D-band 60-Gbps PAM-8 wireless transmission employing a joint DNN equalizer with BP and CMMA,” J. Lightw. Technol., 2020. (Early Access)
  • R. Zhang, Y. Chen, W. Mou, S. Yao and G. Chang, "Entropy Allocation Optimization for PS-OFDM with Constellation Partitioning based Modeling," in Journal of Lightwave Technology, doi: 10.1109/JLT.2020.3008772.
  • R. Zhang, W.J. Jiang, K. Kuzmin, Y. Weng, W. Mou, G.K. Chang, W. Way, "The Impact of Local Oscillator Frequency Jitter and Laser Linewidth to Ultra High Baud Rate Coherent Systems ", in Journal of Lightwave Technology, vol. 38, no. 6, pp. 1138-1147, 2020.
  • R. Zhang, K. Kuzmin, W.J. Jiang, G. Giaretta, T. Tomimoto, Y. Weng, G.K. Chang, and W. Way, " Impact of laser flicker noise and linewidth on 64 to 96  Gbaud/DP-nQAM metro coherent optical links ", Optics Letters. 45, 1220-1223 (2020).
  • R. Zhang, Y. Chen, W. Mou and G.K. Chang, "Rate Redundancy and Entropy Allocation for PAS-OFDM based Mobile Fronthaul," in Journal of Lightwave Technology (2020)

    • 2019

  • R. Zhang, P.-C. Peng, X. Li, S. Liu, Q. Zhou, J. He, Y.-W. Chen, S. Shen,S. Yao, and G.-K. Chang, “4x100-gb/s pam-4 fso transmission based onpolarization modulation and direct detection,”IEEE Photonics Technology Letters, 2019.
  • X. Li, J. Yu, and G.-K. Chang, “Photonics-assisted technologies for extremebroadband 5g wireless communications,”Journal of Lightwave Technology,2019.
  • S. Shen, J.-H. Yan, P.-C. Peng, C.-W. Hsu, Q. Zhou, S. Liu, S. Yao,R. Zhang, K.-M. Feng, J. Finkelstein,et al., “Polarization-tracking-free pdmsupporting hybrid digital-analog transport for fixed-mobile systems,”IEEE Photonics Technology Letters, vol. 31, no. 1, pp. 54–57, 2019.
  • X. Li, J. Yu, K. Wang, M. Kong, W. Zhou, Z. Zhu, C. Wang, M. Zhao,and G.-K. Chang, “120 gb/s wireless terahertz-wave signal delivery by 375ghz-500 ghz multi-carrier in a 2×2 mimo system,”Journal of LightwaveTechnology, vol. 37, no. 2, pp. 606–611, 2019.
  • P. Li, W. Pan, L. Huang, X. Zou, Y. Pan, Q. Zhou, Y.-W. Chen, P.-C. Peng,S. Liu, S. Shen,et al., “Multi-if-over-fiber based mobile fronthaul with blindlinearization and flexible dispersion induced bandwidth penalty mitigation,”Journal of Lightwave Technology, vol. 37, no. 4, pp. 1424–1433, 2019.
  • S. Liu, P.-C. Peng, L. Huang, C.-W. Hsu, H. Tian, and G.-K. Chang,“Bandwidth-enhanced pam-4 transmissions using polarization modulationand direct detection with a tunable frequency range,”Journal of LightwaveTechnology, vol. 37, no. 3, pp. 1014–1022, 2019.
  • R. Deng, J. He, and G.-k. Chang, “Enhancement of signal performancein bidirectional rse-based cvlc system employing npm modulation scheme,”Optics Communications, vol. 432, pp. 97–100, 2019.
  • L. Huang, J. He, Y.-W. Chen, P. Dai, P.-C. Peng, G.-K. Chang, X. Chen, "Simple Multi-RAT RoF System with 2×2 MIMO Wireless Transmission," IEEE Photonics Technology Letters, vol. 31, no.13, pp. 1025-1028, 14 May 2019.
  • Y.-W. Chen, S. Shen, Q. Zhou, S. Yao, R. Zhang, S. Omar, G.-K. Chang, "A Reliable OFDM based MMW Mobile Fronthaul with DSP-aided Sub-band Spreading and Time-Confined Windowing," Journal of Lightwave Technology, vol. 37, no. 13, pp. 3236-3243, 25 Apr. 2019.
  • X. Li, J. Yu, G.-K. Chang, "Photonics-Assisted Technologies for Extreme Broadband 5G Wireless Communications," Journal of Lightwave Technology, vol. 37, no. 12, pp. 2851-2865, 27 Mar. 2019.
  • M. Xu, Z. Jia, J. Wang, L. Alberto Campos, G.-K. Chang, "Statistical data compression and differential coding for digital radio-over-fiber-based mobile fronthaul," IEEE/OSA Journal of Optical Communications and Networking, vol. 11, no. 1, pp. A60-A71, Jan. 2019.
  • P. Li, Wei Pan, Xihua Zou, Lianshan Yan, Bin Luo, You-Wei Chen, and Gee-Kung Chang, "Non-iterative blind linearization algorithm for DML-based multi-IF-over-fiber mobile fronthaul systems," Opt. Lett. 44, 3901-3904 (2019)
  • Y. Alfadhli, YW Chen, S Liu, S Shen, S Yao, D Guidotti, S Mitani, and GK Chang, “Latency performance analysis of low layers function split for URLLC applications in 5G networks,”, Computer Networks 162, 106865, 2019Computer Networks, vol. 162, no. 24, Oct. 2019.
  • Q. Zhou, Y.-W. Chen, S. Shen, Y. Kong, M. Xu, J. Zhang, G.-K. Chang, “Proactive Real-Time Interference Avoidance in 5G Millimeter-wave over Fiber Mobile Fronthaul using SARSA Reinforcement Learning,” Optics Letters, vol. 44, no. 17, 2019.
  • G. K. Chang, Y.-W. Chen, J. Finkelstein, “Key New Fiber Wireless Access Technologies for 5G and Beyond”, IEEE Future Networks Tech Focus, vol. 3, Sep. 2019.
  • L. Zhao, Y.-W. Chen, W. Zhou, R.-K. Shiu, S. Shen, Y. Lu, J. Yu, G.-K. Chang, “Polar Coded OFDM Signal Transmission at the W-band in Millimeter-Wave System,” Photonics Journal, vol. 11, Dec. 2019.
  • M. Huang, Y. Chen, P. Peng, H. Wang and G. Chang, "A Full Field-of-View Self-Steering Beamformer for 5G mm-Wave Fiber-Wireless Mobile Fronthaul," in Journal of Lightwave Technology, vol. 38, no. 6, pp. 1221-1229, 15 March15, 2020.
  • J. Shi, Y. Hong, R. Deng, J. He, L.-K. Chen, G.-K. Chang, “Demonstration of Real-Time Software Reconfigurable Dynamic Power-and-Subcarrier Allocation Scheme for OFDM-NOMA-Based Multi-User Visible Light Communications,” Journal of Lightwave Technology, vol. 37, no. 17, pp. 4401–4409, Sep. 2019
  • Y. Alfadhli, Y.-W. Chen, S. Liu, S. Shen, S. Yao, D. Guidotti, S. Mitani, and G.-K. Chang, “Latency performance analysis of low layers function split for URLLC applications in 5G networks,” Computer Networks 162, 106865, 2019.

    • 2018

  • R. Deng, J. He, J. Yu, Y. Wei, X. Xiao, K. Lv, X. Xin, and G.-K. Chang,“Increasing data rate of an optical imdd system using a cost-efficient dual-band transmission scheme based on rtz dac and sub-nyquist sampling adc,”Optics express, vol. 26, no. 9, pp. 11599–11607, 2018.
  • S. Liu, P.-C. Peng, M. Xu, D. Guidotti, H. Tian, and G.-K. Chang, “Along-distance millimeter-wave rof system with a low-cost directly modulatedlaser,”IEEE Photonics Technology Letters, vol. 30, no. 15, pp. 1396–1399,2018.
  • Q. Zhou, F. Lu, M. Xu, P.-C. Peng, S. Liu, S. Shen, R. Zhang, S. Yao,J. Finkelstein, and G.-K. Chang, “Enhanced multi-level signal recovery inmobile fronthaul network using dnn decoder,”IEEE Photonics Technology Letters, vol. 30, no. 17, pp. 1511–1514, 2018.
  • S. Liu, Y. M. Alfadhli, S. Shen, M. Xu, H. Tian, and G.-K. Chang, “Anovel ann equalizer to mitigate nonlinear interference in analog-rof mobilefronthaul,”IEEE Photonics Technology Letters, vol. 30, no. 19, pp. 1675–1678, 2018./li>
  • R. Zhang, F. Lu, M. Xu, S. Liu, P.-C. Peng, S. Shen, J. He, H. J. Cho,Q. Zhou, S. Yao,et al., “An ultra-reliable mmw/fso a-rof system based oncoordinated mapping and combining technique for 5g and beyond mobilefronthaul,”Journal of Lightwave Technology, vol. 36, no. 20, pp. 4952–4959,2018.
  • L. Huang, M. Xu, P.-C. Peng, J. He, S. Liu, Q. Zhou, S. Liu, G.-K. Chang,and X. Chen, “Broadband if-over-fiber transmission based on a polarizationmodulator,”IEEE Photonics Technology Letters, vol. 30, no. 24, pp. 2087–2090, 2018.

    • 2017

  • Y. Cui, M. Zhang, D. Wang, S. Liu, Z. Li, and G.-K. Chang, "Bit-based support vector machine nonlinear detector for millimeter-wave radio-over-fiber mobile fronthaul systems," Optics Express, vol. 25, no. 21, pp. 26186-26197, 2017.
  • F. Lu, L. Cheng, J. Shi, M. Xu, J. Wang, S. Shen, and G.-K. Chang, "Efficient mobile fronthaul incorporating VLC links for coordinated densified cells," Phtonics Technology Letters, vol. 29, no. 13, pp. 1059-1062, 2017.
  • F. Lu, B. Zhang, Y. Yang, J. Anderson, and G.-K. Chang, "Investigation of pre-equalization for beyond 100G coherent CFP2-ACO transmission," Journal of Lightwave Technology, vol. 35, no. 2, pp. 230-237, 2017.
  • S. Liu, M. Xu, J. Wang, F. Lu, W. Zhang, H. Tian, and G.-K. Chang, "A multi-level artificial neural network nonlinear equalizer for millimeter-wave mobile fronthaul systems", accepted by Journal of Lightwave Technology, 2017.
  • M. Xu, F. Lu, J. Wang, L. Cheng, D. Guidotti, and G.-K. Chang, "Key technologies for next-generation digital RoF mobile fronthaul with statistical data compression and multiband modulation", Journal of Lightwave Technology, vol. 35, no. 17, pp. 3671-3679, 2017.
  • F. Lu, M. Xu, L. Cheng, J. Wang, S. Shen, J. Zhang, and G.-K. Chang, "Sub-band pre-distortion for PAPR reduction in spectral efficient 5G mobile fronthaul", Photonics Technology Letters, vol. 29, no. 1, pp. 122-125, 2017.
  • C.-Y. Lin, Y.-C. Chi, C.-T. Tsai, H.-Y. Wang, H.-Y. Chen, M. Xu, G.-K. Chang, and G.-R. Lin, "Millimeter-wave carrier embedded dual-color laser diode for 5G MMW of link", Journal of Lightwave Technology, vol. 35, no. 12, pp. 2409-2420, 2017.
  • J. Zhang, M. Xu, J. Wang, F. Lu, L. Cheng, H. Cho, K. Ying, J. Yu, and G.-K. Chang, "Full-duplex quasi-gapless carrier-aggregation using FBMC in centralized radio-Over-fiber heterogeneous networks," Journal of Lightwave Technology, vol. 35, no. 4, pp. 989-996, 2017.
  • M. Xu, J. Zhang, F. Lu, J. Wang, L. Cheng, D. Guidott, and G.-K. Chang, "Orthogonal multiband CAP modulation based on offset-QAM and advanced filter design in spectral efficient MMW RoF systems," Journal of Lightwave Technology, vol. 35, no. 4, pp. 997-1005, 2017.
  • J. Wang, Z. Yu, K. Ying, J. Zhang, F. Lu, M. Xu, L. Cheng, X. Ma, and G.-K. Chang, "Digital mobile fronthaul based on delta-sigma modulation for 32 LTE carrier aggregation and FBMC signals" Journal of Optical Communications and Networking, vol. 9, no. 2, pp. A233-A244, 2017.
  • F. Lu, L. Cheng, M. Xu, J. Wang, S. Shen, and G,-K, Chang, "Orthogonal and sparse chirp division multiplexing for MMW fiber-wireless integrated systems,"IEEE Photonics Technology Letters, vol. 29, no. 16, pp. 1316-1319, 2017.
  • F. Lu, M. Xu, L. Cheng, J. Wang, and G.-K. Chang, "Power division non-orthogonal multiple access (NOMA) in flexible optical access with synchronized downlink / asynchronous uplink," Journal of Lightwave Technology, vol. 35, no. 19, pp. 4145-4152, 2017.
  • F. Lu, M. Xu, L. Cheng, J. Wang, S. Shen, H. J. Cho, and G. K. Chang, "Adaptive digitization and variable channel coding for enhancement of compressed digital mobile fronthaul in PAM-4 optical links," accepted by Journal of Lightwave Technology.

    • 2016

  • G.-K. Chang and L. Cheng, "Benefits of convergence," Phil. Trans. R. Soc. A, 20140442, 2016.
  • J.-Y. Sung, C.-W. Chow, C.-H. Yeh, and G.-K. Chang, "Two-level modulation scheme to reduce latency for optical mobile fronthaul networks," Optics Express, vol. 24, no. 22, pp. 25767-25773, 2016.
  • X. Li, J. Yu, and G.-K. Chang, "Frequency-quadrupling vector mm-wave signal generation by only one single-drive MZM,"IEEE Photonics Technology Letters, vol. 28, no. 12, pp. 1302-1305, 2016.
  • J. Zhang, J. Wang, Y. Xu, M. Xu, F. Lu, L. Cheng, J. Yu, and G.-K. Chang, "Fiber-wireless integrated mobile backhaul network based on hybrid MMW and FSO architecture with adaptive diveristy combining technique," Optics Letters, vol. 41, no. 9, pp. 1909-1912, 2016.
  • F. Lu, M. Xu, L. Cheng, J. Wang, J. Zhang, and G.-K. Chang. "Non-Orthogonal Multiple Access With Successive Interference Cancellation in Millimeter-Wave Radio-Over-Fiber Systems." Journal of Lightwave Technology, vol. 34, no. 17, pp. 4179-4186, 2016.
  • J. Wang, C. Liu, J. Zhang, M. Zhu, M. Xu, F. Lu, L. Cheng, and G.-K. Chang, "Nonlinear inter-band subcarrier intermodulations for multi-RAT OFDM wireless services in 5G heterogeneous mobile fronthaul networks," Journal of Lightwave Technology, vol. 34, no. 17, pp. 4089-4103, 2016.
  • M. Xu, J. Zhang, F. Lu, J. Wang, L. Cheng, H. J. Cho, M. I. Khalil, D. Guidotti, and G.-K. Chang, "FBMC in next-generation mobile fronthaul networks with centralized pre-equalization," IEEE Photonics Technology Letters, vol. 27, no. 4, 2016.
  • Y. Xu, X. Li, J. Yu, and G.-K. Chang, "Simple and reconfigured single-sideband OFDM RoF system," Optics Express, vol. 24, no. 20, pp. 22830-22835, 2016.
  • B. Wu, J.-Y. Sung, J.-H. Yan, M. Xu, J. Wang, F. Yan, S. Jian, and G.-K. Chang, "Polarization-insensitive remote access unit for radio-over-fiber mobile fronthaul system by reusing polarization orthogonal light waves," Photonics Journal, vol. 8, no. 1, p. 7200108, 2016.
  • M. Xu, J.-H. Yan, J. Zhang, F. Lu, J. Wang, L. Cheng, D. Guidotti, and G.-K. Chang, "Bidirectional fiber-wireless access technology for 5G mobile spectral aggregation and cell densification," Journal of Optical Communications and Networking, vol. 8, no. 12, pp. B104-B110, 2016.

    • 2015

  • T. Kanesan, S. M. Mitani, R. Mohamad, H. M. Hizan, W. P. Ng, Z. Ghassemlooy, S. Rajbhandari, P. A. Haigh, and G.-K. Chang, "Spectral shape impact of nonlinear compensator signal in LTE RoF system," IEEE Photonics Technology Letters, vol. 27, no. 23, pp. 2481-2484, 2015.
  • Z. Dong, H.-C. Chien, J. Yu, J. Zhang, L. Cheng, and G.-K. Chang, "Very-high-throughput coherent ultradense WDM-PON based on Nyquist-ISB modulation," IEEE Photonics Technology Letters, vol. 27, no. 7, pp. 763-766, 2015.
  • F. Yan, W. Peng, S. Liu, T. Feng, Z. Dong, and G.-K. Chang, "Dual-wavelength single-longitudinal-mode Tm-Doped fiber laser using PM-CMFBG," IEEE Photonics Technology Letters, vol. 27, no. 9, pp. 951-954, 2015.
  • L. Cheng, M. M. U. Gul, F. Lu, M. Zhu, J. Wang, M. Xu, X. Ma, and G.-K. Chang, "Coordinated multipoint transmissions in millimeter-wave Radio-over-Fiber systems," Journal of Lightwave Technology, vol. 33, no. 55, pp. 3182-3188, 2016.
  • M. Zhu, F. Li, F. Lu, J. Yu, C. Su, G. Gu, and G.-K. Chang, "Wavelength resource sharing in bidirectional optical mobile fronthaul," Journal of Lightwave Technology, vol. 33, no. 55, pp. 3182 - 3188, 2015.
  • Y. Wang, J. Yu, X. Li, Y. Xu, N. Chi, and G.-K. Chang, "Photonic vector signal generation employing a single-drive MZM-based optical carrier suppression without precoding," Journal of Lightwave Technology, vol. 33, no. 24, pp. 5235-5241, 2015.
  • T. Su, J. Zheng, Z. Wu, M. Zhang, X. Chen, and G.-K. Chang, "Bidirectional multiband radio-over-fiber system based on polarization multiplexing and wavelength reuse," Optics Express, vol. 23, no. 8, pp. 9772-9776, 2015.
  • B. Wu, M. Zhu, J. Zhang, J. Wang, M. Xu, F. Yan, S. Jian, and G.-K. Chang, "Multi-service RoF links with colorless upstream transmission based on orthogonal phase-correlated modulation,"Optics Express, vol. 23, no. 14, pp. 18323-183329, 2015.
  • M. Xu, Y.-C. Chi, J. Wang, L. Cheng, F. Lu, M. I. Khalil, C.-T. Tsai, G.-R. Lin, and G.-K. Chang, "Wavelength Sharing and Reuse in Dual-Band WDM-PON Systems Employing WRC-FPLDs," IEEE Photonics Technology Letters, vol. 27 no. 17, pp. 1821-1824, 2015.
  • L. Cheng, X. Liu, N. Chand, F. Effenberger, and G.-K. Chang, "Binary prefix for sampling frequency offset estimation in dispersive optical transmissions," Optics Express, vol. 23, no. 20, pp. 26182-26191, 2015.
  • J.-Y. Sung, C.-W. Chow, C.-H. Yeh, Y. Liu, and G.-K. Chang, "Cost-effective mobile backhaul network using existing ODN of PONs for the 5G wireless systems," IEEE Photonics Journal, vol. 7, no. 6, pp.1-6, 2015.
  • Y. Wang, J. Yu, N. Chi, and G.-K. Chang, "Experimental demonstration of 120-Gb/s Nyquist PAM8-SCFDE for short-reach optical communication," IEEE Photonics Journal, vol. 7, no. 4, pp. 1-5, 2015.
  • X. Li, J. Yu, Z. Zhang, J. Xiao, and G.-K. Chang, "Photonic vector signal generation at W-band employing an optical frequency octupling scheme enabled by a single MZM," Optics Communications, vol. 349, pp. 6-10, 2015.
  • Q. Zhang, J. Yu, X. Li, M. Zhu, X. Xin, and G.-K. Chang, "Photonic-aided pre-coding QAM signal transmission in multi-antenna radio over fiber system," Optics Communications, vol. 354, pp. 236-239, 2015.
  • K. Ying, Z. Yu, R. J. Baxley, H. Qian, G.-K. Chang, and G. T. Zhou, "Nonlinear distortion mitigation in visible light communications," IEEE Wireless Communications Magazine, vol. 22, no. 2, pp. 36-45, 2015.
  • B. Wu, M. Zhu, M. Xu, J. Wang, M. Wang, F. Yan, S. Jian, and G.-K. Chang, "Flexible compensation of dispersion-induced power fading for multi-service RoF links based on a phase-coherent orthogonal lightwave generator," Optics Letters, vol. 40, no. 9, pp. 2103-2106, 2015.

    • 2014

  • T. Su, J. Zheng, J. Wang, Z. Dong, M. Xu, M. Zhang, X. Chen, and G.-K. Chang, "Multi-service wireless transport over RoF link with colorless BS using PolM-to-IM convertor," IEEE Photonics Technology Letters, vol. 27, no. 4, Feb. 2014.
  • J. Zheng, L. Wang, Z. Dong, M. Xu, X. Wang, J. Liu, N. Zhu, S. LaRochelle, G. -K. Chang, "Orthogonal single-sideband signal generation using improved sagnac-loop-based modulator," IEEE Photonics Technology Letters, vol. 26, no. 22, Nov. 2014.
  • J. Zheng, J. Wang, J. Yu, M. Zhu, Z. Dong, X. Wang, T. Su, J. Liu, N. Zhu,and G. -K. Chang "Photonic microwave-signal-mixing technique using phase-coherent orthogonal optical carriers for radio-over-fiber application," Optics Letters, vol.39, no.18, pp. 5263-5266, Sep. 2014.
  • C. Liu, J. Wang, L. Cheng, M. Zhu, and G.-K. Chang, "Key microwave-photonics technologies for next-generation cloud-based radio access networks," Journal of Lightwave Technology, vol. 32, no. 20, pp. 3452-3460, 2014.
  • F. Yang, J. Yu, J. Zhang, N. Chi, J. Xiao, G.-K. Chang, "Ultrahigh-capacity access network architecture for mobile data backhaul using integrated W-band wireless and free-space optical links with OAM multiplexing," Optics Letters, vol. 39, no. 14, pp. 4168-4171, 2014.
  • S. Liu, F. Yan, W. Peng, T. Feng, Z. Dong, G.-K. Chang, "Tunable dual-wavelength thulium-doped fiber laser by employing a HB-FBG," IEEE Photonics Technology Letters, vol. 26, no. 18, pp. 1809 - 1812, 2014.
  • M. Zhu, N. Cvijetic, M.-F. Huang, T. Wang, and G.-K. Chang, "Low-latency synchronous clock distribution and recovery for DWDM-OFDMA-based optical mobile backhaul," Journal of Lightwave Technology, vol. 32, no. 10, pp. 2012-2018, May 2014.
  • L. Cheng, M. Zhu, M. Gul, X. Ma, and G.-K. Chang, "Adaptive photonics-aided coordinated multipoint transmissions for next-generation mobile fronthaul," Journal of Lightwave Technology, vol. 32, no. 10, pp. 1907 - 1914, May 2014.
  • L. Cheng, M. Zhu, J. Wang, M. Xu, F. Lu, and G.-K. Chang, "Photonic precoding for millimeter-wave multicell MIMO in centralized RoF system," IEEE Photonics Technology Letters, Vol. 26, No. 11, pp. 1116 - 1119, Jun. 2014.
  • J. Wang, C. Liu, M. Zhu, A. Yi, L. Cheng, and G.-K. Chang, "Investigation of data-dependent channel cross-modulation in multiband radio-over-fiber systems," Journal of Lightwave Technology, vol. 32, no. 10, pp. 1861 - 1871, May 2014.
  • F. Tian, X. Zhang, L. Xi, A. Stark, S. E. Ralph, and G.-K. Chang, "Investigation of interchannel nonlinear tolerance of 256-Gb∕s polarization-division multiplexing return-to-zero 16-ary quadrature amplitude modulation in a hybrid wavelength-division multiplexing transmission system using optical comb," Optical Engineering vol. 53, no. 1, 016111, Jan 2014.

    • 2013

  • C. Liu, L. Zhang, M. Zhu, J. Wang, L. Cheng, and G.-K. Chang, "A novel multi-service small-cell cloud radio access network for mobile backhaul and computing based on radio-over-fiber technologies," Journal of Lightwave Technology, vol. 31, no. 17, pp. 2869-2875, 2013.
  • C. Liu, J. Pan, T. Detwiler, A. Stark, Y.-T. Hsueh, G.-K. Chang, and S. E. Ralph, "Joint digital signal processing for superchannel coherent optical communication systems," Optics Express, vol. 21, no. 7, pp. 8342-8356, 2013.
  • L. Zhang, M. Zhu, C. Ye, S.-H. Fan, C. Liu, X. Hu, P. Cao, Q. Chang, Y. Su, and G.-K. Chang, "Generation and transmission of multiband and multi-gigabit 60-GHz MMW signals in an RoF system with frequency quintupling technique," Optics Express, vol. 21, no. 8, pp. 9899-9905, 2013.
  • J. Zhang, J. Yu, N. Chi, Z. Dong, X. Li, and G. K. Chang, "Multichannel 120-Gb/s data transmission over 2 by 2 MIMO fiber-wireless link at W-band," IEEE Photonics Technology Letters, vol. 25, no. 8, pp. 780-783, 2013.
  • Y. Fang, J. Yu, N. Chi, Z. Dong, and G. K. Chang, "9.952-Gb/s On/Off keying signal transmission over 92-GHz radio-over-fiber system with 40-km single-mode fiber and 2-m air link," Microwave and Optical Technology Letters, vol. 55, no. 5, pp. 1014-1017, 2013.

    • 2012

  • M. Zhu, L. Zhang, S.-H. Fan, C. Su, G. Gu, and G.-K. Chang, "Efficient delivery of integrated wired and wireless services in UDWDM-RoF-PON coherent access network," IEEE Photonics Technology Letters, vol. 24, no. 13, pp. 1127-1129, 2012.
  • J. Liu, L. Zhang, S.-H. Fan, C. Guo, S. He, and G.-K. Chang, "A novel architecture for peer-to-peer interconnect in millimeter-wave radio-over-fiber access networks," Progress in Electromagnetics Research, vol. 126, pp. 139-148, 2012.
  • D. Ze, Y. Jianjun, J. Zhensheng, C. Hung-Chang, L. Xinying, and C. Gee-Kung, "7X224 Gb/s/ch Nyquist-WDM Transmission Over 1600-km SMF-28 Using PDM-CSRZ-QPSK Modulation," IEEE Photonics Technology Letters, vol. 24, no. 13, pp. 1157-1159, 2012.
  • H. Yu-Ting, A. Stark, L. Cheng, T. Detwiler, S. Tibuleac, M. Filer, C. Gee-Kung, and S. E. Ralph, "Passband Narrowing and Crosstalk Impairments in ROADM-Enabled 100G DWDM Networks," Journal of Lightwave Technology, vol. 30, no. 24, pp. 3980-3986, 2012.
  • C. Ye, L. Zhang, M. Zhu, J. Yu, S. He, and G.-K. Chang, "A Bidirectional 60-GHz Wireless-Over-Fiber Transport System With Centralized Local Oscillator Service Delivered to Mobile Terminals and Base Stations," IEEE Photonics Technology Letters, vol. 24, pp. 1984-1987, 2012.
  • L. Tao, Z. Dong, J. Yu, N. Chi, J. Zhang, X. Li, Y. Shao, and G.-K. Chang, "Experimental Demonstration of 48-Gb/s PDM-QPSK Radio-Over-Fiber System Over 40-GHz mm-Wave MIMO Wireless Transmission," IEEE Photonics Technology Letters, vol. 24, pp. 2276-2279, 2012.
  • A. J. Stark, Y.-T. Hsueh, S. Searcy, T. F. Detwiler, C. Liu, M. M. Filer, S. Tibuleac, G. K. Chang, S. E. Ralph, "Scaling 112 Gb/s optical networks with the nonlinear threshold metric," Journal of Lightwave Technology, vol. 30, no. 9, pp. 1291-1298, 2012.
  • C. Liu, H.-C. Chien, S.-H. Fan, J. Yu, and G.-K. Chang, "Enhanced Vector Signal Transmission Over Double-Sideband Carrier-Suppressed Optical Millimeter-Waves Through a Small LO Feedthrough," IEEE Photonics Technology Letters, vol. 24, no. 3, pp. 173-175, 2012.

    • 2011

  • J. Liu, H.-C. Chien, S.-H. Fan, B. Chen, J. Yu, S. He, and G.-K. Chang, "Efficient Optical Millimeter-Wave Generation Using a Frequency-Tripling Fabry–Pérot Laser With Sideband Injection and Synchronization," IEEE Photonics Technology Letters, vol. 23, no. 18, pp. 1325-1327, 2011.
  • C. Liu, H.-C. Chien, Z. Gao, W. Jian, C. Estevez, J. Yu, and G.-K. Chang, "Optimization of Vector Signal Delivery Over Double-Sideband Carrier-Suppressed Optical Millimeter-Waves Through DC Coupling," IEEE Photonics Technology Letters, vol. 23, no. 12, pp. 789-791, 2011.
  • Y.-T. Hsueh, A. Stark, M. Filer, T. Detwiler, S. Tibuleac, G.-K. Chang, and S. E. Ralph, "In-band crosstalk transmission penalties on 112-Gb/s PDM-QPSK optical links," IEEE Photonics Technology Letters, vol. 23, no. 11, pp. 745-747, 2011.
  • Y.-T. Hsueh, Z. Jia, H.-C. Chien, A. Chowdhury, J. Yu, and G.-K. Chang, "Multiband 60-GHz wireless over fiber access system with high dispersion tolerance using frequency tripling technique," Journal of Lightwave Technology, vol. 29, no. 8, pp. 1105-1111, 2011.
  • Y.-T. Hsueh, M.-F. Huang, S.-H. Fan, and G.-K. Chang, "A novel lightwave centralized bidirectional hybrid access network: seamless integration of RoF with WDM-OFDM-PON," IEEE Photonics Technology Letters, vol. 23, no. 15, pp. 1085-1087, 2011.
  • Y.-T. Hsueh, H.-C. Chien, A. Chowdhury, J. Yu, and G.-K. Chang, "Performance assessment of radio links using millimeter-wave over fiber technology with carrier suppression through modulation index enhancement," Journal of Optical Communications and Networking, vol. 3, no. 3, pp. 254-258, 2011.
  • S.-H. Fan, J. Yu, D. Qian, and G.-K. Chang, "A fast and efficient frequency offset correction technique for coherent optical orthogonal frequency division multiplexing," Journal of Lightwave Technology, vol. 29, no. 13, pp. 1997-2004, 2011.
  • Z. Dong, J. Yu, H.-C. Chien, N. Chi, L. Chen, and G.-K. Chang, "Ultra-dense WDM-PON delivering carrier-centralized Nyquist-WDM uplink with digital coherent detection," Optics Express, vol. 19, no. 12, pp. 11100-11105, 2011.

    • 2010

  • J. Yu, G.-K. Chang, Z. Jia, A. Chowdhury, M.-F. Huang, H.-C. Chien, Y.-T. Hsueh, W. Jian, C. Liu, and Z. Dong, "Cost-effective optical millimeter technologies and field demonstrations for very high throughput wireless-over-fiber access systems," Journal of Lightwave Technology, vol. 28, no. 16, pp. 2376-2397, 2010.
  • W. Jian, A. Chowdhury, Z. Jia, C. I. Estevez, and G.-K. Chang, "Energy-efficient multi-access technologies for very-high-throughput avionic millimeter wave, wireless sensor communication networks," Journal of Lightwave Technology, vol. 28, no. 16, pp. 2398-2405, 2010.
  • M.-F. Huang, J. Yu, Y.-K. Huang, E. Ip, and G.-K. Chang, "Wavelength converter for polarization-multiplexed 100-G transmission with multilevel modulation using a bismuth oxide-based nonlinear fiber," IEEE Photonics Technology Letters, vol. 22, no. 24, pp. 1832-1834, 2010.
  • S.-H. Fan, J. Yu, and G.-K. Chang, "Optical OFDM scheme using uniform power transmission to mitigate peak-to-average power effect over 1040 km single-mode fiber," Journal of Optical Communications and Networking, vol. 2, no. 9, pp. 711-715, 2010.
  • A. Chowdhury, H.-C. Chien, S.-H. Fan, J. Yu, and G.-K. Chang, "Multi-band transport technologies for in-building host-neutral wireless over fiber access systems," Journal of Lightwave Technology, vol. 28, no. 16, pp. 2406-2415, 2010.
  • H.-C. Chien, Y.-T. Hsueh, A. Chowdhury, J. Yu, and G.-K. Chang, "On frequency-doubled optical millimeter-wave generation technique without carrier suppression for in-building wireless over fiber applications," IEEE Photonics Technology Letters, vol. 22, no. 3, pp. 182-184, 2010.
  • H.-C. Chien, Y.-T. Hsueh, A. Chowdhury, J. Yu, and G.-K. Chang, "Optical millimeter-wave generation and transmission without carrier suppression for single-and multi-band wireless over fiber applications," Journal of Lightwave Technology, vol. 28, no. 16, pp. 2230-2237, 2010.

    • 2009

  • J. Yu, Z. Jia, M.-F. Huang, M. Haris, P. N. Ji, T. Wang, and G.-K. Chang, "Applications of 40-Gb/s chirp-managed laser in access and metro networks," Journal of Lightwave Technology, vol. 27, no. 3, pp. 253-265, 2009.
  • J. Yu, M.-F. Huang, D. Qian, W. Wei, T. Wang, and G.-K. Chang, "OFDM label swapping for a 112-Gb/s Pol-RZ-QPSK payload system," IEEE Photonics Technology Letters, vol. 21, no. 17, pp. 1259-1261, 2009.
  • J. Yu, M.-F. Huang, Z. Jia, L. Chen, J.-G. Yu, and G.-K. Chang, "Polarization-insensitive all-optical upconversion for seamless integration optical core/metro/access networks with ROF systems based on a dual-pump FWM scheme," Journal of Lightwave Technology, vol. 27, no. 14, pp. 2605-2611, 2009.
  • J. Yu, G.-K. Chang, A. Koonen, and G. Ellinas, "Radio-over-optical fiber networks: introduction to the feature issue," Journal of Optical Communications and Networking, vol. 8, no. 5, p. 488, 2009.
  • Z. Jia, J. Yu, Y.-T. Hsueh, H.-C. Chien, A. Chowdhury, and G.-K. Chang, "Wireless high-definition services over optical fiber networks," Journal of Optical Networking, vol. 8, no. 2, pp. 235-243, 2009.
  • Y.-T. Hsueh, Z. Jia, H.-C. Chien, J. Yu, and G.-K. Chang, "A novel bidirectional 60-GHz radio-over-fiber scheme with multiband signal generation using a single intensity modulator," IEEE Photonics Technology Letters, vol. 21, no. 18, pp. 1338-1340, 2009.
  • D. Guidotti, A. Chowdhury, H. C. Chien, S. H. Fan, and G. K. Chang, "Toward a 60-GHz wireless, low-power, high-throughput memory access system," Microwave and Optical Technology Letters, vol. 51, no. 12, pp. 2969-2973, 2009.
  • S.-H. Fan, H.-C. Chien, Y.-T. Hsueh, A. Chowdhury, J. Yu, and G.-K. Chang, "Simultaneous transmission of wireless and wireline services using a single 60-GHz radio-over-fiber channel by coherent subcarrier modulation," IEEE Photonics Technology Letters, vol. 21, no. 16, pp. 1127-1129, 2009.
  • A. Chowdhury, H.-C. Chien, Y.-T. Hsueh, and G.-K. Chang, "Advanced system technologies and field demonstration for in-building optical-wireless network with integrated broadband services," Journal of Lightwave Technology, vol. 27, no. 12, pp. 1920-1927, 2009.
  • H.-C. Chien, A. Chowdhury, Z. Jia, Y.-T. Hsueh, and G.-K. Chang, "60 GHz millimeter-wave gigabit wireless services over long-reach passive optical network using remote signal regeneration and upconversion," Optics Express, vol. 17, no. 5, pp. 3016-3024, 2009.
  • G.-K. Chang, A. Chowdhury, Z. Jia, H.-C. Chien, M.-F. Huang, J. Yu, and G. Ellinas, "Key technologies of WDM-PON for future converged optical broadband access networks [invited]," Journal of Optical Communications and Networking, vol. 1, no. 4, pp. C35-C50, 2009.

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