Tuning of photonic crystal waveguide microcavity by thermo-optic effect


Chong, H M H and De La Rue, R M (2004) Tuning of photonic crystal waveguide microcavity by thermo-optic effect. IEEE Photonics Technology Letters, 16, (6), 1528-1530.

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Description/Abstract

A tunable photonic crystal microcavity with in-filling holes has been experimentally realized by using the thermooptic effect in silicon-on-insulator waveguide at /spl lambda/=1530 nm. The device was fabricated by reactive ion etching through the silicon core layer for high vertical confinement. A thin film heater has been integrated onto the microcavity. A small change in temperature (and consequent change in refractive index) was sufficient to cause an observable resonance shift. A resonance shift of 5 nm was achieved when the heater was switched on to a current of 1.2 mA (with switching power of about 9 mW).

Item Type: Article
ISSNs: 1041-1135
Divisions: Faculty of Physical Sciences and Engineering > Electronics and Computer Science > NANO
ePrint ID: 264932
Date Deposited: 07 Dec 2007 14:04
Last Modified: 27 Mar 2014 20:09
Further Information:Google Scholar
URI: http://eprints.soton.ac.uk/id/eprint/264932

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