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Proceedings Paper

Practical wavelength division demultiplexer for short-wavelength local area networks
Author(s): Jian Liu; Ray T. Chen
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Paper Abstract

Using a beveled-edge to coupled optical signals into a waveguiding plate, a path-reversed substrate-guided wave holographic interconnection is employed for a WDDM with a channel wavelength spacing as small as 2 nm. A waveguide grating with a 45 degree incident angle and a 45 degree diffraction angle is fabricated using 20 micrometers thick DuPont photopolymer film HRF 600 X 001. The dispersion and the 3 dB bandwidth of the device are measured to be 0.18 degrees/nm and 20 nm, respectively. A four-channel wavelength demultiplexing is demonstrated at 796 nm, 798 nm, 800 nm and 802 nm with no crosstalk observed. A one-to-five cascaded 4-channel WDDM with +/- 5 percent energy uniformity under an s-polarization is also demonstrated to increase the user-sharing capacity. Twenty fanout channels are experimentally achieved.

Paper Details

Date Published: 13 April 1999
PDF: 12 pages
Proc. SPIE 3632, Optoelectronic Interconnects VI, (13 April 1999); doi: 10.1117/12.344615
Show Author Affiliations
Jian Liu, Univ. of Texas/Austin (United States)
Ray T. Chen, Univ. of Texas/Austin (United States)

Published in SPIE Proceedings Vol. 3632:
Optoelectronic Interconnects VI
Julian P. G. Bristow; Suning Tang, Editor(s)

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