Graded-index single-mode polymer waveguide hologram on GaAs substrate for near-infrared twelve-channel wavelength division demultiplexer

Ray T. Chen

doi:10.1117/12.141907

6 April 1993 Graded-index single-mode polymer waveguide hologram on GaAs substrate for near-infrared twelve-channel wavelength division demultiplexer

Ray T. Chen

Author Affiliations +

Proceedings Volume 1794, Integrated Optical Circuits II; (1993) https://doi.org/10.1117/12.141907
Event: Fibers '92, 1992, Boston, MA, United States

Abstract

A twelve-channel single-mode wavelength division demultiplexer operating at 830, 840, 850, 860, 870, 880, 890, 900, 910, 920, 930 and 940 nm with diffraction angle varying from 10 degree(s) to 65 degree(s) and using a graded index (GRIN) polymer waveguide is reported for the first time on a semi-insulating GaAs substrate. Diffraction efficiency up to 55% was measured. The wavelength spreading of the Ti:Al₂O₃ laser (approximately 4 nm, 3 dB bandwidth) causes an average crosstalk figure of -20.5 dB. The beam width of the diffracted signal as a function of the input beam width, the grating interaction length, and the diffraction angle are considered.

Citation Download Citation

Ray T. Chen "Graded-index single-mode polymer waveguide hologram on GaAs substrate for near-infrared twelve-channel wavelength division demultiplexer", Proc. SPIE 1794, Integrated Optical Circuits II, (6 April 1993); https://doi.org/10.1117/12.141907

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