A novel scheme to generate optical dark RZ pulse and its applications in an orthogonal modulation system

Yufeng Shao; Lin Chen; Shuangchun Wen; Jianjun Yu; Liliang Hu; Lili Cheng; Haiyan Liu

doi:10.1117/12.742884

19 November 2007 A novel scheme to generate optical dark RZ pulse and its applications in an orthogonal modulation system

Yufeng Shao, Lin Chen, Shuangchun Wen, Jianjun Yu, Liliang Hu, Lili Cheng, Haiyan Liu

Author Affiliations +

Proceedings Volume 6783, Optical Transmission, Switching, and Subsystems V; 67833K (2007) https://doi.org/10.1117/12.742884
Event: Asia-Pacific Optical Communications, 2007, Wuhan, China

Abstract

A configuration of transmitter for superimposing DPSK signals on dark RZ signals with tunable duty cycle was proposed. The transmitter comprises two optical phase modulators and a delayed line Mach-Zehnder interferometer. The simulation results show that the spectral efficiency is doubled by using this scheme.

Citation Download Citation

Yufeng Shao, Lin Chen, Shuangchun Wen, Jianjun Yu, Liliang Hu, Lili Cheng, and Haiyan Liu "A novel scheme to generate optical dark RZ pulse and its applications in an orthogonal modulation system", Proc. SPIE 6783, Optical Transmission, Switching, and Subsystems V, 67833K (19 November 2007); https://doi.org/10.1117/12.742884

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