G - Physics – 02 – B
Patent
G - Physics
02
B
345/56
G02B 6/10 (2006.01) H03K 17/785 (2006.01) H04Q 3/52 (2006.01)
Patent
CA 1257924
Abstract of the disclosure An optical switch circuit is configured as a matrix array to arbitrarily switch the connections between optical transmission channels. The optical switch circuit comprises a plurality of optical splitter coupled to input transmission channels, a plurality of optical switches arranged on the matrix crosspoints, each switch comprising an optoelectronic element and a light modulating element functioning as an electrooptic element, and a plurality of optical combiners coupled to output transmission channels. Thus, a small-sized optical switch circuit suitable for integration is realized. With this circuit, small crosstalk and high speed switching without distortion of broadband signals are expected. Further, this circuit provides a wide adaptability such that light transmitted through multi-mode optical fiber can be switched.
481666
Ajisawa Akira
Fujiwara Masahiko
Suzuki Shuji
Corporation Nec
Smart & Biggar
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