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Multichannel Parallel Polymer Waveguide With Circular W-Shaped Index Profile Cores

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2 Author(s)
Takeyoshi, Y. ; Keio Univ., Yokohama ; Ishigure, T.

We fabricate a parallel optical waveguide whose cores are composed of perdeuterated acrylate polymer. We experimentally demonstrate that this waveguide has lower loss by one order of magnitude compared to an acrylate-based waveguide at 850-nm wavelength. The eye diagram measured after a 12.5-Gb/s 15-m transmission shows that this waveguide has sufficiently high bandwidth. In addition, we verify a strong crosstalk reduction due to the specific (W-shaped) refractive index profile in the waveguide.

Published in:

Photonics Technology Letters, IEEE  (Volume:19 ,  Issue: 22 )