Low-power-threshold photonic saturable absorber in nonlinear chalcogenide glass

S. Minardi; G. Cheng; C. D'Amico; R. Stoian

doi:10.1364/OL.40.000257

Low-power-threshold photonic saturable absorber in nonlinear chalcogenide glass

S. Minardi
, G. Cheng
, C. D'Amico
, R. Stoian

Friedrich Schiller University Jena
Laboratoire Hubert Curien, UMR 5516 CNRS, Université de Lyon
CAS - Xi'an Institute of Optics and Precision Mechanics

科研成果: 期刊稿件 › 文章 › 同行评审

19 引用（Scopus）

摘要

We experimentally demonstrate controllable nonlinear modulation of optical guiding in ultrafast laser-written evanescently coupled waveguide arrays in bulk gallium lanthanum sulfide chalcogenide glass. The intensity-dependent response is validated by simulating light propagation in waveguide arrays with instantaneous Kerr nonlinearity using a discrete-continuous spatiotemporal unidirectional Maxwell equation model. The intensity-driven modulation of transmission in multicore structures acts as a potential saturable absorber at kilowatt threshold levels.

源语言	英语
页（从-至）	257-259
页数	3
期刊	Optics Letters
卷	40
期	2
DOI	https://doi.org/10.1364/OL.40.000257
出版状态	已出版 - 15 1月 2015
已对外发布	是

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AU - Cheng, G.

AU - D'Amico, C.

AU - Stoian, R.

PY - 2015/1/15

Y1 - 2015/1/15

N2 - We experimentally demonstrate controllable nonlinear modulation of optical guiding in ultrafast laser-written evanescently coupled waveguide arrays in bulk gallium lanthanum sulfide chalcogenide glass. The intensity-dependent response is validated by simulating light propagation in waveguide arrays with instantaneous Kerr nonlinearity using a discrete-continuous spatiotemporal unidirectional Maxwell equation model. The intensity-driven modulation of transmission in multicore structures acts as a potential saturable absorber at kilowatt threshold levels.

AB - We experimentally demonstrate controllable nonlinear modulation of optical guiding in ultrafast laser-written evanescently coupled waveguide arrays in bulk gallium lanthanum sulfide chalcogenide glass. The intensity-dependent response is validated by simulating light propagation in waveguide arrays with instantaneous Kerr nonlinearity using a discrete-continuous spatiotemporal unidirectional Maxwell equation model. The intensity-driven modulation of transmission in multicore structures acts as a potential saturable absorber at kilowatt threshold levels.

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Low-power-threshold photonic saturable absorber in nonlinear chalcogenide glass

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