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Compact polarization-insensitive InGaAsP-InP 2 × 2 optical switch

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3 Author(s)
S. S. Agashe ; Dept. of Electr. Eng., Princeton Univ., NJ, USA ; K. -T. Shiu ; S. R. Forrest

We demonstrate a simple, compact, high-contrast ratio, and low-loss polarization-insensitive InGaAsP-InP 2 × 2 optical switch with an operational wavelength range from 1520 to 1580 nm. The switch is 1.3 mm long by 160 μm wide. The on-off contrast ratio is within (21/spl plusmn/2) dB over the temperature range from 16/spl deg/C to 64/spl deg/C, the polarization sensitivity is <2 dB, and the propagation loss is (3/spl plusmn/2) dB in both the ON and OFF states, making it potentially useful for optical cross-connects, delay lines, and add-drop multiplexers.

Published in:

IEEE Photonics Technology Letters  (Volume:17 ,  Issue: 1 )