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国际米兰中文官网 Review No.26

Ultra-Low-Loss Athermal AWG Module with a Large Number 国际米兰中文官网 Channels

Junichi Hasegawa and Kazutaka Nara

Abstract

There is an urgent need for an arrayed waveguide grating (AWG), the device that handles the function 国际米兰中文官网 wavelength multiplexer/demultiplexer, that is unaffected by temperature, i.e., athermal. To satisfy this requirement we have applied proprietary athermalizing technique, resulting in development 国际米兰中文官网 a multi-channel athermal AWG, which had not been achieved previously. Also, by design 国际米兰中文官网 the circuit pattern it has been possible to achieve a 100-GHz 48-channel athermal AWG module that has an insertion loss 国际米兰中文官网 less than 2.8 dB. For all channels, temperature dependence is less than ±0.015 nm for center wavelength and ±0.1 dB for insertion loss.

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