Minimising crosstalk in microchannel free-space optical interconnects with the presence of higher order modes

Feng-Chuan F. Tsai; Christopher J. O’Brien; Aleksandar D. Rakić

doi:10.1117/12.699804

9 February 2007 Minimising crosstalk in microchannel free-space optical interconnects with the presence of higher order modes

Feng-Chuan F. Tsai, Christopher J. O’Brien, Aleksandar D. Rakić

Author Affiliations +

Proceedings Volume 6478, Photonics Packaging, Integration, and Interconnects VII; 64780B (2007) https://doi.org/10.1117/12.699804
Event: Integrated Optoelectronic Devices 2007, 2007, San Jose, California, United States

Abstract

We investigate the combined effect of the diffraction-caused crosstalk noise (DCCN) and the stray-light crosstalk noise (SLCN) on the performance of FSOI system. A numerical simulator was employed in this study to investigate OI channel design. We determine that there exists an optimal focal length, which maximises the signal-to-noise ratio (SNR) by minimising the combined effects of DCCN and SLCN. For the fundamental mode, the optimal focal length is approximately 750 &mgr;m for both LG₀₁ and LG₁₀ modes, the optimal focal length occurs between f = 650 &mgr;m and f = 700 &mgr;m, depending on the interconnection distance and array pitch.

Citation Download Citation

Feng-Chuan F. Tsai, Christopher J. O’Brien, and Aleksandar D. Rakić "Minimising crosstalk in microchannel free-space optical interconnects with the presence of higher order modes", Proc. SPIE 6478, Photonics Packaging, Integration, and Interconnects VII, 64780B (9 February 2007); https://doi.org/10.1117/12.699804

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