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Proceedings Paper

Novel array geometries for free-space optical interconnects with improved signal-to-noise ratio
Author(s): Feng-Chuan F. Tsai; Christopher J. O'Brien; Novak S Petrovic; Aleksandar D. Rakic
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Paper Abstract

We investigate the effect of transmitter and receiver array configurations on the stray-light and diffraction-caused crosstalk in free-space optical interconnects. The optical system simulation software (Code V) is used to simulate both the stray-light and diffraction-caused crosstalk. Experimentally measured, spectrally-resolved, near-field images of VCSEL higher order modes were used as extended sources in our simulation model. Our results show that by changing the square lattice geometry to a hexagonal configuration, we obtain the reduction in the stray-light crosstalk of up to 9 dB and an overall signal-to-noise ratio improvement of 3 dB.

Paper Details

Date Published: 18 January 2006
PDF: 8 pages
Proc. SPIE 6038, Photonics: Design, Technology, and Packaging II, 60381P (18 January 2006); doi: 10.1117/12.638450
Show Author Affiliations
Feng-Chuan F. Tsai, The Univ. of Queensland (Australia)
Christopher J. O'Brien, The Univ. of Queensland (Australia)
Novak S Petrovic, The Univ. of Queensland (Australia)
Aleksandar D. Rakic, The Univ. of Queensland (Australia)


Published in SPIE Proceedings Vol. 6038:
Photonics: Design, Technology, and Packaging II
Derek Abbott; Yuri S. Kivshar; Halina H. Rubinsztein-Dunlop; Shanhui Fan, Editor(s)

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