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Conferences > IPR > 1991 > WG > WG3

Acoustically tunable wavelength selective switch/filter with high extinction ratio and low drive power

T. Pohlmann and E. Voges

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Abstract

Acoustically tunable wavelength switches/filters for new wavelength routing and switched wavelength multiplexing-demultiplexing systems have recently been demonstrated.1-3 We use a simple polarization-independent structure with two cascaded strictly passive polarization splitters formed by waveguide crossings.4 When we choose an intersection angle α of 1.3°, a polarization cross talk of-30 dB is achieved.

© 1991 Optical Society of America

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