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Temperature insensitive arrayed waveguide gratings on InP substrates

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5 Author(s)
Tanobe, H. ; NTT Opto-Electron. Labs., Kanagawa, Japan ; Kondo, Y. ; Kadota, Y. ; Okamoto, K.
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A temperature insensitive arrayed waveguide grating (TI-AWG) with an InGaAsP-InP material system is proposed. Less than 0.1 /spl Aring///spl deg/C temperature dependence for all eight channels was achieved for the first time even though we used the InGaAsP-InP material system. This novel characteristic is in good agreement with the design principle of the TI-AWG.

Published in:

Photonics Technology Letters, IEEE  (Volume:10 ,  Issue: 2 )