Reduction of Second-Order Temperature Dependence of Silica-Based Athermal AWG by Using Two Resin-Filled Grooves

Katsuhiko Hirabayashi,Nobutatsu Koshobu,Junya Kobayashi,Mikitaka Itoh,Shin Kamei

IEEE Photonics Technology Letters（2011）

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摘要

We devise a novel design for an athermal silica-based arrayed-waveguide grating (AWG) to reduce the residual second-order temperature dependence of conventional athermal AWGs with a silicone-filled groove. This athermal AWG has two grooves filled with silicone and polyolefin that compensate for the first- and second-order temperature dependence, respectively. The passband wavelength variation is s...

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关键词

Temperature dependence,Arrayed waveguide gratings,Plastics,Passband,Temperature distribution,Resins,Temperature measurement

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