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Conferences > CLEO_Europe > 1994 > CThI > CThI70

Very short, low-loss multiquantum well GaAs/GaAlAs vertical directional coupler switch

F. Dollinger, M. V. Borcke, W. Klein, G. Böhm, G. Tränkle, and G. Weimann

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Abstract

For application of directional couplers in optoelectronic integrated circuits, device length has to be reduced to about 100 µm to offer the benefits of high cutoff frequency and low space consumption. This can be achieved by vertical arrangement of the waveguides1 and exploiting the Quantum Confined Stark Effect for switching the device.2 Because of well known and highly reproducible material parameters, MBE grown GaAs/GaAlAs was chosen.

© 1994 IEEE

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