Achromatic electro-optic modulation using cascaded lithium niobate Ti:diffused waveguides @670nm

Martin Foin; Guillermo Martin; Nadège Courjal; Gwenn Ulliac; Sylvestre Lacour; Vincent Lapeyrere; Pierre-Louis Mayeur

doi:10.1117/12.2562164

13 December 2020 Achromatic electro-optic modulation using cascaded lithium niobate Ti:diffused waveguides @670nm

Martin Foin, Guillermo Martin, Nadège Courjal, Gwenn Ulliac, Sylvestre Lacour, Vincent Lapeyrere, Pierre-Louis Mayeur

Proceedings Volume 11446, Optical and Infrared Interferometry and Imaging VII; 114461R (2020) https://doi.org/10.1117/12.2562164
Event: SPIE Astronomical Telescopes + Instrumentation, 2020, Online Only

Abstract

In this paper we report the simulation of an achromatised LiNbO₃ phase modulator with a range of 300nm centered around 670nm by using a two stage cascaded Mach-Zehnder controlled by independent electric field on each stage to overcome the chromatic dispersion brought by the Pockels effect. Development of a two stages electro-optic phase modulator test setup and first proofs of phase compensation between the stages will be presented.

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Martin Foin, Guillermo Martin, Nadège Courjal, Gwenn Ulliac, Sylvestre Lacour, Vincent Lapeyrere, and Pierre-Louis Mayeur "Achromatic electro-optic modulation using cascaded lithium niobate Ti:diffused waveguides @670nm", Proc. SPIE 11446, Optical and Infrared Interferometry and Imaging VII, 114461R (13 December 2020); https://doi.org/10.1117/12.2562164

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