Abstract

Optical crossconnects are likely to emerge as critical network elements for provisioning and restoration in core WDM networks. The chief physical challenge facing these elements is that of scalability to high port-count. We demonstrate a route to achieving high port count by exploiting connection-symmetry in micromachined polygon switches. Insertion losses as low as 3.1 ~ 3.5 dB for a 16 x 16 (8 bi-directional) switch suggest the promise of scaling to large port count.

© 1998 Optical Society of America

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