Methods, apparatus and systems for regenerating, monitoring and bridging optical signals through an optical cross-connect switch to provide increased reliability. A self testing method, apparatus and system for an optical cross-connect switch. An optical-to-electrical-to-optical converter (O/E/O) is provided in an optical cross-connect switch to provide optical-electrical-optical conversion. I/O port cards having an optical-to-electrical-to-optical converter are referred to as smart port cards while I/O port cards without an optical-to-electrical-to-optical converter are referred to as passive port cards. Test port/monitor cards are also provided for testing optical cross-connect switches. Methods, apparatus and systems for performing bridging, test access, and supporting redundant optical switch fabrics are also disclosed.

 
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< Wide band electro-optical modulators

< Optical lens apparatus and associated method

> METHOD OF IMPLEMENTING THE KERR EFFECT IN AN INTEGRATED RING RESONATOR (THE KERR INTEGRATED OPTICAL RING FILTER) TO ACHIEVE ALL-OPTICAL WAVELENGTH SWITCHING, AS WELL AS ALL-OPTICAL TUNABLE FILTERING, ADD-AND -DROP MULTIPLEXING, SPACE SWITCHING AND OPTICAL INTENSITY MODULATION

> System and method for charging a photoconductive member to an operating voltage while isolating a conductive shaft

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