Direct-detection all-optical OFDM superchannel for long-reach PON

Orthogonal-frequency-division-multiplexing (OFDM) is a promising candidate for the future high-speed optical access networks. As the OFDM signal is electronically generated and demodulated by fast Fourier transform (FFT) in the digital domain via electronic digital-to-analog and analog-to-digital converters (DAC/ADC) respectively, the OFDM signal bandwidth is limited by the sampling rate of the DAC/ADC. In this work, we present the feasibility of using all-optical OFDM for the future high-speed PON. All-optical OFDM is another class of optical multiple carrier transmission that relies on all-optically generated or demodulated orthogonal subcarriers. Hence, high data rate can be easily achieved. A 200 Gb/s OFDMA-LR-PON using all-optical OFDM super-channel (SC) is demonstrated. Apart from the optical wired transmission, w-band (100-GHz) millimeter-wave (MMW) wireless transmission is also demonstrated to support the in-building mobile broadband services.

[1]  Jiun-Yu Sung,et al.  Dimming-discrete-multi-tone (DMT) for simultaneous color control and high speed visible light communication. , 2014, Optics express.

[2]  Jiun-Yu Sung,et al.  13 Gbit/s WDM-OFDM PON using RSOA-based colourless ONU with seeding light source in local exchange , 2011 .

[3]  C. H. Yeh,et al.  Simple Colorless WDM-PON With Rayleigh Backscattering Noise Circumvention Employing $m$ -QAM OFDM Downstream and Remodulated OOK Upstream Signals , 2012, Journal of Lightwave Technology.

[4]  N. Cvijetic,et al.  OFDM for Next-Generation Optical Access Networks , 2012, Journal of Lightwave Technology.

[5]  Chi-Wai Chow,et al.  Performance of Long-Reach Passive Access Networks Using Injection-Locked Fabry–Perot Laser Diodes With Finite Front-Facet Reflectivities , 2013, Journal of Lightwave Technology.

[6]  Chi-Wai Chow,et al.  Studies of OFDM signal for broadband optical access networks , 2010, IEEE Journal on Selected Areas in Communications.

[7]  C. Yeh,et al.  Adaptive 84.44-190 Mbit/s phosphor-LED wireless communication utilizing no blue filter at practical transmission distance. , 2014, Optics express.

[8]  A. Ellis,et al.  Spectral density enhancement using coherent WDM , 2005, IEEE Photonics Technology Letters.

[9]  Jiun-Yu Sung,et al.  Service integrated access network using highly spectral-efficient MASK-MQAM-OFDM coding. , 2013, Optics express.

[10]  J. Armstrong,et al.  OFDM for Optical Communications , 2009, Journal of Lightwave Technology.

[11]  C.W. Chow,et al.  Long Reach Passive Optical Networks , 2007, LEOS 2007 - IEEE Lasers and Electro-Optics Society Annual Meeting Conference Proceedings.

[12]  Jiun-Yu Sung,et al.  Compatibility of Silicon Mach-Zehnder Modulators for Advanced Modulation Formats , 2013, Journal of Lightwave Technology.

[13]  A D Ellis,et al.  Rayleigh noise mitigation in DWDM LR-PONs using carrier suppressed subcarrier-amplitude modulated phase shift keying. , 2008, Optics express.

[14]  C. W. Chow,et al.  Background Optical Noises Circumvention in LED Optical Wireless Systems Using OFDM , 2013, IEEE Photonics Journal.

[15]  D. Nesset,et al.  Long-Reach Passive Optical Networks , 2009, Journal of Lightwave Technology.

[16]  C W Chow,et al.  Mitigation of Rayleigh backscattering in 10-Gb/s downstream and 2.5-Gb/s upstream DWDM 100-km long-reach PONs. , 2011, Optics express.

[17]  Chi-Wai Chow,et al.  Extended-reach access network with downstream radio-over-fiber (ROF) signal and upstream NRZ signal using orthogonal-WDM , 2012 .

[18]  Chang-Hee Lee,et al.  400 Gb/s (40 × 10 Gb/s) ASE injection seeded WDM-PON based on SOA-REAM , 2013, 2013 Optical Fiber Communication Conference and Exposition and the National Fiber Optic Engineers Conference (OFC/NFOEC).

[19]  C. H. Yeh,et al.  TWDM-PON With Signal Remodulation and Rayleigh Noise Circumvention for NG-PON2 , 2013, IEEE Photonics Journal.

[20]  J Y Sung,et al.  A scalable and continuous-upgradable optical wireless and wired convergent access network. , 2014, Optics express.

[21]  C.H. Wang,et al.  Rayleigh Backscattering Performance of OFDM-QAM in Carrier Distributed Passive Optical Networks , 2008, IEEE Photonics Technology Letters.

[22]  H. Y. Chen,et al.  Using adaptive four-band OFDM modulation with 40 Gb/s downstream and 10 Gb/s upstream signals for next generation long-reach PON. , 2011, Optics express.

[23]  Sien Chi,et al.  WDM extended reach passive optical networks using OFDM-QAM. , 2008, Optics express.

[24]  Jiun-Yu Sung,et al.  Optical Nyquist filters based on silicon coupled resonator optical waveguides , 2014 .