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Proceedings Paper

1 to 100 channel waveguide beam splitter and TE to TM polarization converter
Author(s): Alan C. G. Nutt; Joseph F. Revelli; Sharlene A. Wilson; Jeffrey I. Hirsh; David A. Roberts; Stephen P. Barry
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Paper Abstract

This paper describes a channel waveguide beam splitter (CWBS) in which a single laser beam can be split into many beams using glass stripe waveguides and localized surface relief gratings. The grating element situated on top of individual 90 degree(s) T-branches couples a fraction of the backbone light down a side channel and acts as a miniature mode converter. Single-mode TE light in the backbone is converted into single-mode TM light in the side channel. The laser wavelength used in these experiments was 830 nm. Each individual grating was only a few microns in length and so the grating acceptance exhibited a large bandwidth. The total excess loss coupling the input waveguide optical power partially into 100 waveguide branches was only 0.25 dB.

Paper Details

Date Published: 21 October 1994
PDF: 13 pages
Proc. SPIE 2291, Integrated Optics and Microstructures II, (21 October 1994); doi: 10.1117/12.190919
Show Author Affiliations
Alan C. G. Nutt, Eastman Kodak Co. (United States)
Joseph F. Revelli, Eastman Kodak Co. (United States)
Sharlene A. Wilson, Eastman Kodak Co. (United States)
Jeffrey I. Hirsh, Eastman Kodak Co. (United States)
David A. Roberts, Eastman Kodak Co. (United States)
Stephen P. Barry, Eastman Kodak Co. (United States)


Published in SPIE Proceedings Vol. 2291:
Integrated Optics and Microstructures II
Massood Tabib-Azar; Dennis L. Polla; Ka-Kha Wong, Editor(s)

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