The influence of substrate on SOI photonic crystal thermo-optic devices
The influence of substrate on SOI photonic crystal thermo-optic devices
We investigate the influence of the substrate on a photonic crystal thermo-optic device on a silicon-on-insulator (SOI) platform. The substrate-induced thermo-optic tuning is obtained as a function of key physical parameters, based on a semi-analytic theory that agrees well with numeric simulations. It is shown that for some devices, the substrate’s contribution to the thermo-optic tuning can exceed 10% for a heater located in the waveguide core and much higher for some other configurations. The slow response of the substrate may also significantly slow down the overall response time of the device. Strategies of minimizing the substrate’s influence are discussed.
4235-4243
Song, Weiwei
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Chahal, M.
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Celler, G.K.
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Jaluria, Y.
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Reed, G.T.
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Jiang, W.
faa25ea7-a6e4-4b03-8107-0cc1070ebd42
12 February 2013
Song, Weiwei
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Chahal, M.
c21c7f79-8775-44f3-b996-e49eb7a2b019
Celler, G.K.
c7d1fa3a-3989-4a5f-b42d-1d256bb43280
Jaluria, Y.
f18cf085-afe4-4ce9-a581-4d9cd5075ae0
Reed, G.T.
ca08dd60-c072-4d7d-b254-75714d570139
Jiang, W.
faa25ea7-a6e4-4b03-8107-0cc1070ebd42
Song, Weiwei, Chahal, M., Celler, G.K., Jaluria, Y., Reed, G.T. and Jiang, W.
(2013)
The influence of substrate on SOI photonic crystal thermo-optic devices.
Optics Express, 21 (4), .
(doi:10.1364/OE.21.004235).
Abstract
We investigate the influence of the substrate on a photonic crystal thermo-optic device on a silicon-on-insulator (SOI) platform. The substrate-induced thermo-optic tuning is obtained as a function of key physical parameters, based on a semi-analytic theory that agrees well with numeric simulations. It is shown that for some devices, the substrate’s contribution to the thermo-optic tuning can exceed 10% for a heater located in the waveguide core and much higher for some other configurations. The slow response of the substrate may also significantly slow down the overall response time of the device. Strategies of minimizing the substrate’s influence are discussed.
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oe-21-4-4235
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Published date: 12 February 2013
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Local EPrints ID: 441548
URI: http://eprints.soton.ac.uk/id/eprint/441548
ISSN: 1094-4087
PURE UUID: 38bf48db-9755-422e-b8ae-73aed1fbd5ae
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Date deposited: 17 Jun 2020 16:31
Last modified: 16 Mar 2024 08:16
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Contributors
Author:
Weiwei Song
Author:
M. Chahal
Author:
G.K. Celler
Author:
Y. Jaluria
Author:
W. Jiang
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