Miniaturized electro-optic infrared beam-manipulator based on 3D photorefractive funnels

J. Parravicini; F. Di Mei; D. Pierangeli; A. J. Agranat; E. DelRe

doi:10.1088/2040-8978/17/5/055501

Miniaturized electro-optic infrared beam-manipulator based on 3D photorefractive funnels

J. Parravicini, F. Di Mei, D. Pierangeli, A. J. Agranat, E. DelRe

Department of Applied Physics

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

3 Scopus citations

Abstract

We demonstrate tunable electro-optic guiding, shaping, and switching of beams in the near infrared spectrum (λ ≃ 980 nm), typical of VCSEL technology, using biomimetic 3D funnel waveguides miniaturized into a sample of potassium-lithium-tantalate-niobate. The switchable waveguides are written using the slow photorefractive build-up of a 3D volume space-charge field caused by a diffracting continuous wave low intensity λ = 532 nm beam, and electro-optic functionality is supported by the quadratic electro-optic effect of the high-symmetry paraelectric phase.

Original language	English
Article number	055501
Pages (from-to)	1-5
Number of pages	5
Journal	Journal of Optics (United Kingdom)
Volume	17
Issue number	5
DOIs	https://doi.org/10.1088/2040-8978/17/5/055501
State	Published - 1 May 2015

Bibliographical note

Publisher Copyright:
© 2015 IOP Publishing Ltd.

Keywords

Arrays
Couplers
Nonlinear guided waves
Nonlinear waveguides
Optical solitons
Optical waveguides and couplers
Waveguides

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10.1088/2040-8978/17/5/055501

Cite this

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abstract = "We demonstrate tunable electro-optic guiding, shaping, and switching of beams in the near infrared spectrum (λ ≃ 980 nm), typical of VCSEL technology, using biomimetic 3D funnel waveguides miniaturized into a sample of potassium-lithium-tantalate-niobate. The switchable waveguides are written using the slow photorefractive build-up of a 3D volume space-charge field caused by a diffracting continuous wave low intensity λ = 532 nm beam, and electro-optic functionality is supported by the quadratic electro-optic effect of the high-symmetry paraelectric phase.",

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AU - DelRe, E.

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AB - We demonstrate tunable electro-optic guiding, shaping, and switching of beams in the near infrared spectrum (λ ≃ 980 nm), typical of VCSEL technology, using biomimetic 3D funnel waveguides miniaturized into a sample of potassium-lithium-tantalate-niobate. The switchable waveguides are written using the slow photorefractive build-up of a 3D volume space-charge field caused by a diffracting continuous wave low intensity λ = 532 nm beam, and electro-optic functionality is supported by the quadratic electro-optic effect of the high-symmetry paraelectric phase.

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Miniaturized electro-optic infrared beam-manipulator based on 3D photorefractive funnels

Abstract

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Keywords

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