光电子快报(英文版), 2012, 8 (6): 468, Published Online: Jul. 12, 2017   

A novel symmetric 10 Gbit/s architecture with a single feeder fiber for WDM-PON based on chirp-managed laser

Author Affiliations
1 State Key Laboratory of Information Photonics and Optical Communications, Ministry of Education, Beijing University of Posts and Telecommunications, Beijing 100876, China
2 Processing and Communication Systems Research Group, Heavy Industries Taxila Education City University, Islamabad 47070, Pakistan
Abstract
We propose the single feeder fiber architecture for wavelength division multiplexing passive optical network (WDM-PON) based on directly modulated chirp managed laser (CML). The downlink (DL) signal output from the laser is converted to return-to-zero (RZ) differential phase shift signal using a pulse carver. The downstream signal is reused as a carrier for the upstream using intensity modulation technique. Simulation results show the error-free performance at symmetric data rate of 10 Gbit/s per channel with negligible power penalty and improved receiver sensitivity for the uplink (UL), over 25 km standard single-mode fiber (SSMF). A low-cost and reduced circuitry network design is implemented on a single feeder fiber with the elimination of differential encoder and one external modulator.

Aftab Hussain, XIN Xiang-jun, Abdul Latif, Ashiq Hussain, YU Chong-xiu, Abid Munir, Yousaf Khan, Muhammad Idrees Afridi. A novel symmetric 10 Gbit/s architecture with a single feeder fiber for WDM-PON based on chirp-managed laser[J]. 光电子快报(英文版), 2012, 8(6): 468.

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