Chinese Optics Letters, 2012, 10 (11): 113201, Published Online: Oct. 10, 2012  

80-GB all-optical serial-to-parallel convertor for QPSK signal based on cascaded phase modulators and optical f ilters Download: 641次

Author Affiliations
Abstract
An all-optical serial-to-parallel converter (SPC) utilizing two cascaded phase modulators and optical band-pass filters (OBPFs) is experimentally investigated and applied to demultiplex an 80-GBd optical time-division multiplexing (OTDM) return-to-zero (RZ) differential quadrature phase-shift keying (QPSK) signal. Two 40-GBd OTDM tributaries are error-free demultiplexed with a power penalty of approximately 4 dB in the worst case. With its advantages of compact structure, high speed, low power penalty, simultaneous two-tributary operation, and no assistance from a light source, the SPC has potential for use in future OTDM networks. However, the performance of the SPC still needs improvement.

Deming Kong, Yan Li, Hui Wang, Jian Wu, Jintong Lin. 80-GB all-optical serial-to-parallel convertor for QPSK signal based on cascaded phase modulators and optical f ilters[J]. Chinese Optics Letters, 2012, 10(11): 113201.

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