TITLE

Electrical thermo-optic tuning of ultrahigh-Q microtoroid resonators

AUTHOR(S)
Armani, Deniz; Min, Bumki; Martin, Andrea; Vahala, Kerry J.
PUB. DATE
November 2004
SOURCE
Applied Physics Letters;11/29/2004, Vol. 85 Issue 22, p5439
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
The ability to tune resonant frequency in optical microcavities is an essential feature for many applications. Integration of electrical-based tuning as part of the fabrication process has been a key advantage of planar microresonant devices. Until recently, the combination of these features has not been available in devices that operate in the ultrahigh-Q regime where device quality factors (Q) can exceed 100 million. In this letter, we demonstrate an electrically tunable resonator on a chip with ultrahigh-quality factors. Futhermore, the devices have demonstrated tuning rates in excess of 85 GHz/V2 and are capable of tuning more than 300 GHz.
ACCESSION #
15244092

 

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