Pyroelectric control of the superprism effect in a lithium niobate photonic crystal in slow light configuration | Zendy

M.-P. Bernal | Zendy; J. Amet | Zendy; Jassem Safioui | Zendy; F. Devaux | Zendy; Mathieu Chauvet | Zendy; Joaquim Salví | Zendy; Fadi Baida | Zendy

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Pyroelectric control of the superprism effect in a lithium niobate photonic crystal in slow light configuration

Author(s) -

M.-P. Bernal,

J. Amet,

Jassem Safioui,

F. Devaux,

Mathieu Chauvet,

Joaquim Salví,

Fadi Baida

Publication year - 2011

Publication title -

applied physics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.182

H-Index - 442

eISSN - 1077-3118

pISSN - 0003-6951

DOI - 10.1063/1.3554373

Subject(s) - lithium niobate , pyroelectricity , materials science , beam steering , optoelectronics , wavelength , optics , photonic crystal , beam (structure) , photonics , crystal (programming language) , light beam , ferroelectricity , physics , computer science , dielectric , programming language

International audienceIn this letter, tunability of the beam deviation on a two dimensional lithium niobate photonic crystal superprism is experimentally demonstrated thanks to the pyroelectric effect. Since the superprism geometry has been designed in a slow light configuration, the observed pyroelectric beam steering tunability is considerably enhanced. A beam deviation of 3.4°/°C has been experimentally measured for a working wavelength of 1565 nm. Direct applications can be found as ultracompact highly effective temperature variation sensors

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