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Proceedings Paper

Photorefractive beamsplitter for free-space optical interconnection systems
Author(s): D. Scott Gardner; Phillip C. Harvey; W. Lee Hendrick; Philippe J. Marchand; Sadik C. Esener
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Paper Abstract

A photorefractive beamsplitter (PRBS) is introduced as an alternative to a polarizing beamsplitter (PBS) for coupling optical power into reflective modulators in a free-space optical interconnection (FSOI) system. The PRBS uses a single diffraction grating recorded in a photorefractive material to redirect the incident laser light into the first diffraction order and onto the modulators. Reflected interconnection light not matching the Bragg angle criteria transmits through the beamsplitter uncoupled. Experimental results show that the PRBS provides better uniform transmission for off-axis beams than the currently used PBS.

Paper Details

Date Published: 15 May 1997
PDF: 7 pages
Proc. SPIE 3010, Diffractive and Holographic Device Technologies and Applications IV, (15 May 1997); doi: 10.1117/12.274419
Show Author Affiliations
D. Scott Gardner, Univ. of California/San Diego (United States)
Phillip C. Harvey, Univ. of California/San Diego (United States)
W. Lee Hendrick, Univ. of California/San Diego (United States)
Philippe J. Marchand, Univ. of California/San Diego (United States)
Sadik C. Esener, Univ. of California/San Diego (United States)


Published in SPIE Proceedings Vol. 3010:
Diffractive and Holographic Device Technologies and Applications IV
Ivan Cindrich; Sing H. Lee, Editor(s)

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