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Differential all-optical tuning of eigenmodes in coupled microdisks

 
: Schmidt, C.; Chipouline, A.; Käsebier, T.; Kley, E.-B.; Tünnermann, A.; Pertsch, T.

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Applied Physics Letters 103 (2013), No.4, Art.041115, 4 pp.
ISSN: 0003-6951
ISSN: 1077-3118
English
Journal Article
Fraunhofer IOF ()

Abstract
A differential all-optical resonance tuning of whispering-gallery-modes (WGMs) in a system of three coupled microdisks in a line arrangement is investigated. Utilizing the temperature induced nonlinear effects observable in coupled WGM microresonators, a tunable, narrow bandwidth, three-wavelength filter is demonstrated. Variable tuning scenarios for the signal resonances are achieved at the same sample, depending on the coupling conditions of the control signal at low control powers of up to 4 mW only.

: http://publica.fraunhofer.de/documents/N-261390.html