Optimization transmission of photonic crystal coupled cavity and design of demultiplexer for wavelength division multiplexing application

Weijia Liu; Daquan Yang; Huiping Tian; Yuefeng Ji

doi:10.1117/1.OE.51.8.084002

2 August 2012 Optimization transmission of photonic crystal coupled cavity and design of demultiplexer for wavelength division multiplexing application

Weijia Liu, Daquan Yang, Huiping Tian, Yuefeng Ji

Author Affiliations +

Optical Engineering, Vol. 51, Issue 8, 084002 (August 2012). https://doi.org/10.1117/1.OE.51.8.084002

Abstract

A new method to optimize transmission of photonic crystal filter composed of coupled cavities is proposed. This method can improve transmission without changing 3 dB bandwidth and it is achieved by shifting the defect rods in two cavities centripetally to shorten the distance between energy distribution centers within two cavities. Finally, an ultra compact four-channel demultiplexer is demonstrated by using this optimization method, and this device satisfies the coarse wavelength division multiplexing standard of ITU-T G.694.2 with transmission 99% for each channel.

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Weijia Liu, Daquan Yang, Huiping Tian, and Yuefeng Ji "Optimization transmission of photonic crystal coupled cavity and design of demultiplexer for wavelength division multiplexing application," Optical Engineering 51(8), 084002 (2 August 2012). https://doi.org/10.1117/1.OE.51.8.084002

Published: 2 August 2012

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