Integration of both dense wavelength-division multiplexing and coarse wavelength-division multiplexing demultiplexer on one photonic crystal chip

Huiping Tian; Guansheng Shen; Weijia Liu; Yuefeng Ji

doi:10.1117/1.OE.52.7.076110

11 July 2013 Integration of both dense wavelength-division multiplexing and coarse wavelength-division multiplexing demultiplexer on one photonic crystal chip

Huiping Tian, Guansheng Shen, Weijia Liu, Yuefeng Ji

Author Affiliations +

Optical Engineering, Vol. 52, Issue 7, 076110 (July 2013). https://doi.org/10.1117/1.OE.52.7.076110

Abstract

An integrated model of photonic crystal (PC) demultiplexer that can be used to combine dense wavelength-division multiplexing (DWDM) and coarse wavelength-division multiplexing (CWDM) systems is first proposed. By applying the PC demultiplexer, dense channel spacing 0.8 nm and coarse channel spacing 20 nm are obtained at the same time. The transmission can be improved to nearly 90%, and the crosstalk can be decreased to less than −18 dB by enlarging the width of the bus waveguide. The total size of the device is 21×42 μm ² . Four channels on one side of the demultiplexer can achieve DWDM in the wavelength range between 1575 and 1578 nm, and the other four channels on the other side can achieve CWDM in the wavelength range between 1490 and 1565 nm, respectively. The demonstrated demultiplexer can be applied in the future CWDM and DWDM system, and the architecture costs can be significantly reduced.

Citation Download Citation

Huiping Tian, Guansheng Shen, Weijia Liu, and Yuefeng Ji "Integration of both dense wavelength-division multiplexing and coarse wavelength-division multiplexing demultiplexer on one photonic crystal chip," Optical Engineering 52(7), 076110 (11 July 2013). https://doi.org/10.1117/1.OE.52.7.076110

Published: 11 July 2013

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