Pyroelectric control of the superprism effect in a lithium niobate photonic crystal in slow light configuration - Archive ouverte HAL Access content directly
Journal Articles Applied Physics Letters Year : 2011

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

Abstract

In 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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hal-00566921 , version 1 (06-05-2021)

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M.-P. Bernal, J. Amet, J. Safioui, F. Devaux, M. Chauvet, et al.. Pyroelectric control of the superprism effect in a lithium niobate photonic crystal in slow light configuration. Applied Physics Letters, 2011, 98, pp.071101. ⟨10.1063/1.3554373⟩. ⟨hal-00566921⟩
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