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Crosstalk-minimized polymeric 2×2 thermooptic switch

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4 Author(s)
X. Wang ; Microelectron. Res. Center, Univ. of Texas, Austin, TX, USA ; B. Howley ; M. Y. Chen ; R. Chen

A thermooptic 2×2 switch based on the total internal reflection effect is demonstrated. The device, made of ultraviolet curable fluorinated polymer, has an increased half-branch angle of 5°. The purpose of a large half-branch angle is to overcome the volume relaxation phenomenon, which is an intrinsic characteristic of polymers. The device successfully decreases the crosstalk below -40 dB in both the cross and bar states. The fabricated device has a power consumption of only 66 mW in the bar state.

Published in:

IEEE Photonics Technology Letters  (Volume:18 ,  Issue: 1 )