Thermo-Optically Tunable Silicon AWG With Above 600 GHz Channel Tunability

With the ever-increasing demand for small channel spacing in the dense wavelength division multiplexing technology, and the wavelength shift arising from the fabrication dimensional sensitivity of the silicon optical communication devices, wavelength tuning methods for silicon multiplexer/demultiple...

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Veröffentlicht in:IEEE photonics technology letters 2015-11, Vol.27 (22), p.2351-2354
Hauptverfasser: Yang, Yan, Hu, Xiaonan, Song, Junfeng, Fang, Qing, Yu, Mingbin, Tu, Xiaoguang, Lo, Guo-Qiang, Rusli
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container_end_page 2354
container_issue 22
container_start_page 2351
container_title IEEE photonics technology letters
container_volume 27
creator Yang, Yan
Hu, Xiaonan
Song, Junfeng
Fang, Qing
Yu, Mingbin
Tu, Xiaoguang
Lo, Guo-Qiang
Rusli
description With the ever-increasing demand for small channel spacing in the dense wavelength division multiplexing technology, and the wavelength shift arising from the fabrication dimensional sensitivity of the silicon optical communication devices, wavelength tuning methods for silicon multiplexer/demultiplexer are therefore of great interest. Thermo-optically tunable silicon arrayed waveguide grating (AWG) multiplexer/demultiplexer using TiN heater has been demonstrated for the first time. Reduced impact of fabrication nonuniformity on the AWG effective refractive index is achieved through the waveguide design. Uniform heating is achieved by the heater design, which is analyzed by thermal distribution simulation. Above 600 GHz channel tunability has been demonstrated by simulation and experiment.
doi_str_mv 10.1109/LPT.2015.2464073
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subjects arrayed waveguide grating (AWG)
Arrayed waveguide gratings
Electrodes
Fabrication
Heating
Integrated optics
Silicon
thermo-optic (TO) effect
Tin
title Thermo-Optically Tunable Silicon AWG With Above 600 GHz Channel Tunability
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