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4x4 polymer thermo-optic directional coupler switch at 1.55 μm

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Abstract

Future telecommunication systems will take advantage of the almost unlimited transmission capacity of optical fibers by optical-frequency-division-multiplex (OFDM) techniques. Transparent photonic networks need transparent optical crossconnects for switching optical carrier frequency signals in the frequency-space domain [1]. The space switching stage of a crossconnect for a high number of channels may be realized in an integration technology delivering low power consumption, insertion loss and crosstalk as well as a high degree of integration and polarization independence.

© 1994 Optical Society of America

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