Two-dimensional wavelength division demultiplexer with surface-normal configuration

Jian Liu; Ray T. Chen; Brian M. Davies; Suning Tang

doi:10.1117/12.300931

1 February 1998 Two-dimensional wavelength division demultiplexer with surface-normal configuration

Jian Liu, Ray T. Chen, Brian M. Davies, Suning Tang

Proceedings Volume 3234, Design and Manufacturing of WDM Devices; (1998) https://doi.org/10.1117/12.300931
Event: Voice, Video, and Data Communications, 1997, Dallas, TX, United States

Abstract

A 2D wavelength-division demultiplexing device is demonstrated to separate and to distribute optical signals of different wavelengths by use of substrate-guided wave optical interconnects. In our experiment, two stacked input holographic gratings are fabricated to steer two optical wavelengths into two different routing directions and to zigzag within a waveguiding substrate. Input coupling efficiencies of 70 percent and 76 percent are experimentally confirmed at the input wavelengths of 780 nm and 790 nm, respectively. Two arrays of 1-to-10 cascaded output holographic grating couplers are employed to couple out the optical signals with surface-normal fanouts. The crosstalk is measured to be < -30 dB. The fanout energy fluctuation is within +/- 10 percent for each wavelength.

Citation Download Citation

Jian Liu, Ray T. Chen, Brian M. Davies, and Suning Tang "Two-dimensional wavelength division demultiplexer with surface-normal configuration", Proc. SPIE 3234, Design and Manufacturing of WDM Devices, (1 February 1998); https://doi.org/10.1117/12.300931

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