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Polymeric 2 x 2 electrooptic switch consisting of asymmetric Y junctions and Mach-Zehnder interferometer

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5 Author(s)
Wol-Yon Hwang ; Electron. & Telecommun. Res. Inst., Taejeon, South Korea ; Min-Cheol Oh ; Hyang-Mok Lee ; Heuk Park
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2×2 electrooptic switches consisting of a pair of asymmetric Y junctions and Mach-Zehnder interferometer have been demonstrated in polymeric waveguides. The switching voltage is 15 V with 1.5 cm long electrode for TM polarized light at 1.3 μm. When the branching angle of the asymmetric Y junction is 0.2/spl deg/, crosstalk of -27 to -22 dB are obtained for both input arms. The measured insertion loss by the lens coupling is about 9-10 dB.

Published in:

Photonics Technology Letters, IEEE  (Volume:9 ,  Issue: 6 )