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Conferences > IPR > 1994 > ThF > ThF13

Design of Efficient Digital Y-Switches in InAlAs/InGaAlAs Using the Beam Propagation Method

M. N. Khan, J. E. Zucker, T. L. Koch, and K. F. Brown-Goebeler

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Abstract

Guided-wave Y-junction optical switches based on modal evolution have been demonstrated to be polarization and wavelength insensitive by utilizing their "digital" response with respect to applied voltage [1], [2]. However, the voltage-length (VL) products to achieve similar on-off ratio for these switches are usually higher compared to modal interference devices [3], Reduction of the VL products was acheived in some devices using curved (shaped) waveguides for the Y-branches

© 1994 Optical Society of America

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