The tunable demodulator of DPSK based on reflection differential delay interference

Guodong Liu; Chongqing Wu; Yaya Mao; Zhengyong Li

doi:10.1117/12.999837

27 November 2012 The tunable demodulator of DPSK based on reflection differential delay interference

Guodong Liu, Chongqing Wu, Yaya Mao, Zhengyong Li

Proceedings Volume 8555, Optoelectronic Devices and Integration IV; 855517 (2012) https://doi.org/10.1117/12.999837
Event: Photonics Asia, 2012, Beijing, China

Abstract

A new scheme of demodulating DPSK signal is proposed based on structure of differential delay interference which is suitable for variable bit-rate and the tuning speed is faster than the existed demodulator. The demodulation of variable bit-rate NRZ-DPSK formats of 10Gb/s and 40Gb/s are demonstrated, the BER after demodulating is lower than 10^-9. It is proved that this demodulator can be used to demodulate 10Gb/s to tens Gb/s bit rate DPSK signal. The demodulator can realize one-, half-, or quarter-bit delays for DPSK signals. Compared to other DPSK demodulators, this demodulator is tunable and the tunable speed is faster.

Citation Download Citation

Guodong Liu, Chongqing Wu, Yaya Mao, and Zhengyong Li "The tunable demodulator of DPSK based on reflection differential delay interference", Proc. SPIE 8555, Optoelectronic Devices and Integration IV, 855517 (27 November 2012); https://doi.org/10.1117/12.999837

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