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Integrated-optical single-sideband modulator and phase shifter

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2 Author(s)
Heismann, F. ; Technische Universität, Hamburg-Harburg, West Germany ; Ulrich, Reinhard

A scheme of spatially weighted coupling between two waveguide modes is proposed in which the weights form an electrooptically induced periodic coupling structure that can be moved at variable speeds forward or backward along the guide. The device can operate as an optical phase shifter with unlimited phase range, as a single-sideband amplitude modulator or frequency shifter, or as a polarization transformer.

Published in:

Quantum Electronics, IEEE Journal of  (Volume:18 ,  Issue: 4 )