| 摘要 |
Multiple N x M and M x N optical switchers that may be combined within a single package to produce an N x N optical switch, where M is greater than N. The use of multiple optical switchers within an optical switch package allow s for a higher degree of isolation than may be achieved than with a single stage optical switch. The optical switchers may be reflection type devices having no movin g parts. The optical switchers may include a magneto-optic Faraday rotator having a thin crystal that is easy to grow and consumes less space, thereby enabling a smaller, less expensive, and less complex optical switch.
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