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Electrooptic polymer modulators with an inverted-rib waveguide structure

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7 Author(s)
Seong-Ku Kim ; Dept. of Electr. Eng., California Univ., Los Angeles, CA, USA ; Zhang, H. ; Chang, D.H. ; Zhang, C.
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Polymeric APC-CPW electrooptic modulators incorporating an inverted-rib waveguide structure were fabricated and tested for the first time. The inverted structure greatly simplifies fabrication procedures, and additionally improves propagation loss performance. Mach-Zehnder electrooptic modulators fabricated using this structure exhibited 6 dB of fiber-to-fiber insertion loss for 2.3-cm length and 6 V of driving voltage for a one-arm micro-strip electrode of 1.5-cm interaction length, at a wavelength of 1.55 μm.

Published in:

Photonics Technology Letters, IEEE  (Volume:15 ,  Issue: 2 )