Statistically-phase-compensated 10 GHz-spaced arrayed-waveguide grating

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作者：
NTT Opto-electronics Laboratories, Tokai, Ibaraki 319-11, Japan [1 ]
机构：
来源：
Electron Lett | / 17卷 / 1580-1582期
关键词：
Amorphous films - Crosstalk - Diffraction gratings - Frequency division multiplexing - Optical films - Optical waveguides - Phase control;
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摘要：
The crosstalk of an arrayed waveguide grating multiplexer with a channel spacing of 10 GHz was reduced by trimming a-Si films deposited on the arrayed waveguides. This static phase compensation enables a stable multiplexer to be made which features a low crosstalk of <-30 dB without any external phase control.
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