Novel scheme of OADM based on WDM demultiplexer, switch array, and OLM

Gang Zhao; Zhangyuan Chen; Baicheng Zhang; Anshi Xu; Deming Wu

doi:10.1117/12.318005

6 August 1998 Novel scheme of OADM based on WDM demultiplexer, switch array, and OLM

Gang Zhao, Zhangyuan Chen, Baicheng Zhang, Anshi Xu, Deming Wu

Proceedings Volume 3552, Fiber Optic Components and Optical Communication II; (1998) https://doi.org/10.1117/12.318005
Event: Photonics China '98, 1998, Beijing, China

Abstract

A novel scheme of OADM(Optical Add/Drop Multiplexer) is proposed. It has the property of arbitrary add/drop channel compositions ( up to 4 wavelengths). In order to supress more of the homodyne crosstalk, we proposed a novel scheme of utilizing OLM(Optical Loop Mirror) so that we can utilizes the demultiplexer back-and-forth, thus utilizes it both as a demultiplexer and a multiplexer.The results show that we get a 5dB improve on the crosstalk depression, that means a 3 times larger network scale than normal scheme of demultiplexer+switch array+coupler. We found that the reflection on the input port of demultiplexer is the main cause of homodyne crosstalk.

Citation Download Citation

Gang Zhao, Zhangyuan Chen, Baicheng Zhang, Anshi Xu, and Deming Wu "Novel scheme of OADM based on WDM demultiplexer, switch array, and OLM", Proc. SPIE 3552, Fiber Optic Components and Optical Communication II, (6 August 1998); https://doi.org/10.1117/12.318005

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