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Optical Engineering

16 x 16 self-routing cell switch using polarization-controlled vertical cavity surface emitting laser arrays: principles
Author(s): Belinda Piernas; Pierre Cambon
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Paper Abstract

The principle and design of a self-routing 16 X 16 free-space optically interconnected crossbar cell switch are detailed. Vertical cavity surface emitting lasers (VCSELs) and VCSEL-based smart pixel arrays are key devices for this system and enable high density interconnection. Using the optical switching of VCSEL polarization extensively, the cell switch exhibits a potential high bit rate and low reconfiguration time between two cells. Moreover, because of the high speed switching of the VCSEL between its two linear polarizations, address substitution, which is one of the asynchronous transfer mode (ATM) requirements, can be implemented. A compact cell-switch demonstrator is proposed that uses low-cost optically recorded holograms and microlens arrays.

Paper Details

Date Published: 1 November 1997
PDF: 9 pages
Opt. Eng. 36(11) doi: 10.1117/1.601528
Published in: Optical Engineering Volume 36, Issue 11
Show Author Affiliations
Belinda Piernas, ISEB (France)
Pierre Cambon, ISEB (France)


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