Practical wavelength division demultiplexer for short-wavelength local area networks

Jian Liu; Ray T. Chen

doi:10.1117/12.344615

13 April 1999 Practical wavelength division demultiplexer for short-wavelength local area networks

Jian Liu, Ray T. Chen

Proceedings Volume 3632, Optoelectronic Interconnects VI; (1999) https://doi.org/10.1117/12.344615
Event: Optoelectronics '99 - Integrated Optoelectronic Devices, 1999, San Jose, CA, United States

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.

Citation Download Citation

Jian Liu and Ray T. Chen "Practical wavelength division demultiplexer for short-wavelength local area networks", Proc. SPIE 3632, Optoelectronic Interconnects VI, (13 April 1999); https://doi.org/10.1117/12.344615

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