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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 21, Iss. 14 — Jul. 15, 2013
  • pp: 16528–16535

Simultaneous DPSK demodulation and chirp management using delay interferometer in symmetric 40-Gb/s capability TWDM-PON system

Meihua Bi, Shilin Xiao, Hao He, Lilin Yi, Zhengxuan Li, Jun Li, Xuelin Yang, and Weisheng Hu  »View Author Affiliations


Optics Express, Vol. 21, Issue 14, pp. 16528-16535 (2013)
http://dx.doi.org/10.1364/OE.21.016528


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Abstract

We propose a symmetric 40-Gb/s aggregate rate time and wavelength division multiplexed passive optical network (TWDM-PON) system with the capability of simultaneous downstream differential phase shift keying (DPSK) signal demodulation and upstream signal chirp management based on delay interferometer (DI). With the bi-pass characteristic of DI, we experimentally demonstrate the bidirectional transmission of signals at 10-Gb/s per wavelength, and achieve negligible power penalties after 50-km single mode fiber (SMF). For the uplink transmission with DI, a ~11-dB optical power budget improvement at a bit error ratio of 1e-3 is obtained and the extinction ratio (ER) of signal is also improved from 3.4 dB to 13.75 dB. Owing to this high ER, the upstream burst-mode transmitting is successfully presented in term of time-division multiplexing. Moreover, in our experiment, a ~38-dB power budget is obtained to support 256 users with 50-km SMF transmission.

© 2013 OSA

OCIS Codes
(060.2330) Fiber optics and optical communications : Fiber optics communications
(060.4250) Fiber optics and optical communications : Networks

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: April 30, 2013
Revised Manuscript: June 13, 2013
Manuscript Accepted: June 13, 2013
Published: July 2, 2013

Citation
Meihua Bi, Shilin Xiao, Hao He, Lilin Yi, Zhengxuan Li, Jun Li, Xuelin Yang, and Weisheng Hu, "Simultaneous DPSK demodulation and chirp management using delay interferometer in symmetric 40-Gb/s capability TWDM-PON system," Opt. Express 21, 16528-16535 (2013)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-21-14-16528


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References

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