Thermo-optical dynamics of a nonlinear GaInP photonic crystal nanocavity depend on the optical mode profile

Karindra Perrier; Sebastiaan Greveling; Hilbrand Wouters; Said R.K. Rodriguez; Gaëlle Lehoucq; Sylvain Combrié; Alfredo D.E. Rossi; Sanli Faez; Allard P. Mosk

doi:10.1364/OSAC.393842

Thermo-optical dynamics of a nonlinear GaInP photonic crystal nanocavity depend on the optical mode profile

Karindra Perrier^*, Sebastiaan Greveling, Hilbrand Wouters, Said R.K. Rodriguez, Gaëlle Lehoucq, Sylvain Combrié, Alfredo D.E. Rossi, Sanli Faez, Allard P. Mosk

^*Corresponding author for this work

Research output: Contribution to journal › Article › Academic › peer-review

Abstract

We measure the dynamics of the thermo-optical nonlinearity of both a mode-gap nanocavity and a delocalized mode in a Ga_0.51In_0.49P photonic crystal membrane. We model these results in terms of heat transport and thermo-optical response in the material. By step-modulating the optical input power we push the nonlinear resonance to jump between stable branches of its response curve, causing bistable switching. An overshoot of the intensity followed by a relaxation tail is observed upon bistable switching. In this way, the thermal relaxation of both the localized resonance and the delocalized resonance is measured. Significant difference in decay time is observed and related to the optical mode profile of the resonance. We reproduce the observed transient behavior with our thermo-optical model, implementing a non-instantaneous nonlinearity, and taking into account the optical mode profile of the resonance, as experimentally measured.

Original language	English
Pages (from-to)	1879-1890
Number of pages	12
Journal	OSA Continuum
Volume	3
Issue number	7
DOIs	https://doi.org/10.1364/OSAC.393842
Publication status	Published - 15 Jul 2020

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© 2020 Optical Society of America under the terms of the OSA Open Access Publishing Agreement

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title = "Thermo-optical dynamics of a nonlinear GaInP photonic crystal nanocavity depend on the optical mode profile",

abstract = "We measure the dynamics of the thermo-optical nonlinearity of both a mode-gap nanocavity and a delocalized mode in a Ga0.51In0.49P photonic crystal membrane. We model these results in terms of heat transport and thermo-optical response in the material. By step-modulating the optical input power we push the nonlinear resonance to jump between stable branches of its response curve, causing bistable switching. An overshoot of the intensity followed by a relaxation tail is observed upon bistable switching. In this way, the thermal relaxation of both the localized resonance and the delocalized resonance is measured. Significant difference in decay time is observed and related to the optical mode profile of the resonance. We reproduce the observed transient behavior with our thermo-optical model, implementing a non-instantaneous nonlinearity, and taking into account the optical mode profile of the resonance, as experimentally measured.",

author = "Karindra Perrier and Sebastiaan Greveling and Hilbrand Wouters and Rodriguez, {Said R.K.} and Ga{\"e}lle Lehoucq and Sylvain Combri{\'e} and Rossi, {Alfredo D.E.} and Sanli Faez and Mosk, {Allard P.}",

note = "Publisher Copyright: {\textcopyright} 2020 Optical Society of America under the terms of the OSA Open Access Publishing Agreement",

year = "2020",

month = jul,

day = "15",

doi = "10.1364/OSAC.393842",

language = "English",

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T1 - Thermo-optical dynamics of a nonlinear GaInP photonic crystal nanocavity depend on the optical mode profile

AU - Perrier, Karindra

AU - Greveling, Sebastiaan

AU - Wouters, Hilbrand

AU - Rodriguez, Said R.K.

AU - Lehoucq, Gaëlle

AU - Combrié, Sylvain

AU - Rossi, Alfredo D.E.

AU - Faez, Sanli

AU - Mosk, Allard P.

PY - 2020/7/15

Y1 - 2020/7/15

N2 - We measure the dynamics of the thermo-optical nonlinearity of both a mode-gap nanocavity and a delocalized mode in a Ga0.51In0.49P photonic crystal membrane. We model these results in terms of heat transport and thermo-optical response in the material. By step-modulating the optical input power we push the nonlinear resonance to jump between stable branches of its response curve, causing bistable switching. An overshoot of the intensity followed by a relaxation tail is observed upon bistable switching. In this way, the thermal relaxation of both the localized resonance and the delocalized resonance is measured. Significant difference in decay time is observed and related to the optical mode profile of the resonance. We reproduce the observed transient behavior with our thermo-optical model, implementing a non-instantaneous nonlinearity, and taking into account the optical mode profile of the resonance, as experimentally measured.

AB - We measure the dynamics of the thermo-optical nonlinearity of both a mode-gap nanocavity and a delocalized mode in a Ga0.51In0.49P photonic crystal membrane. We model these results in terms of heat transport and thermo-optical response in the material. By step-modulating the optical input power we push the nonlinear resonance to jump between stable branches of its response curve, causing bistable switching. An overshoot of the intensity followed by a relaxation tail is observed upon bistable switching. In this way, the thermal relaxation of both the localized resonance and the delocalized resonance is measured. Significant difference in decay time is observed and related to the optical mode profile of the resonance. We reproduce the observed transient behavior with our thermo-optical model, implementing a non-instantaneous nonlinearity, and taking into account the optical mode profile of the resonance, as experimentally measured.

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EP - 1890

JO - OSA Continuum

JF - OSA Continuum

IS - 7

ER -

Thermo-optical dynamics of a nonlinear GaInP photonic crystal nanocavity depend on the optical mode profile

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