Optical switch matrix

Details Optical switch matrix Optical switch matrix

2006-10-03

2006-10-03

Doan, Jennifer (Department: 2874)

Optical waveguides

With optical coupler

Switch

C385S015000, C385S016000

Reexamination Certificate

active

07116856

ABSTRACT:
A matrix optical switch that can switch the transmission path of an optical signal without requiring a driving unit for each optical switch is realized. A matrix optical switch for switching a transmission path of an optical signal by connecting plural input sides and plural output sides, respectively, comprises: a semiconductor optical waveguide substrate; a photo mask choosing system for selecting and arranging one photo mask from plural photo masks each of which has printed thereon a pattern connecting plural input sides to plural output sides; and a light source for casting output light having larger energy than a band gap of the semiconductor optical waveguide substrate onto a photon injection area between the plural input sides and the plural output sides on the semiconductor optical waveguide substrate via the selected photo mask.

REFERENCES:
patent: 6760504 (2004-07-01), Duer
patent: 6847756 (2005-01-01), Khalil et al.
patent: 6-75179 (1994-03-01), None
patent: 8-163031 (1996-09-01), None
patent: 9-105959 (1997-04-01), None
patent: 10-308961 (1998-11-01), None
Hiroaki Inoue et al., “An 8mm length Nonblocking 4×4 Optical Switch Array”, IEEE Journal on Selected Area in Communications, vol. 6, No. 7, pp. 1262-1266 Aug. 1988.

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