Requirement of modulation bandwidth for 100Gb/s optical DQPSK transmission using one dual-drive Mach Zehnder Modulator

Dawei Liu; Liangxing Wang; Yi Dong; Han Chen; Hao He; Weisheng Hu

doi:10.1117/12.803868

11 November 2008 Requirement of modulation bandwidth for 100Gb/s optical DQPSK transmission using one dual-drive Mach Zehnder Modulator

Dawei Liu, Liangxing Wang, Yi Dong, Han Chen, Hao He, Weisheng Hu

Author Affiliations +

Proceedings Volume 7136, Optical Transmission, Switching, and Subsystems VI; 71361M (2008) https://doi.org/10.1117/12.803868
Event: Asia-Pacific Optical Communications, 2008, Hangzhou, China

Abstract

This paper demonstrates bandwidth requirement for optical DPQSK transmitter using one Dual-drive Mach Zehnder Modulator (DDMZM) for 100Gb/s physical transmission. The result shows that at receiver bandwidth of 40GHz, NRZDQPSK signal requires 60GHz modulation bandwidth at least, while RZ-DQPSK scheme demands less bandwidth, about 40GHz for 50% duty cycle RZ-DQPSK signal.

Citation Download Citation

Dawei Liu, Liangxing Wang, Yi Dong, Han Chen, Hao He, and Weisheng Hu "Requirement of modulation bandwidth for 100Gb/s optical DQPSK transmission using one dual-drive Mach Zehnder Modulator", Proc. SPIE 7136, Optical Transmission, Switching, and Subsystems VI, 71361M (11 November 2008); https://doi.org/10.1117/12.803868

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