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Conferences > NLO > 2023 > Tu1B > Tu1B.5

Experimental Study of Quasi-phase-matching Spectrum Imperfections in Thin-film Lithium Niobate Frequency Doublers

Jie Zhao, Xiaoting Li, Ting-Chen Hu, Ayed Al Sayem, Haochuan Li, Kwangwoong Kim, Al Tate, Rose Kopf, Pouria Sanjari, Mark Earnshaw, Nicolas K. Fontaine, Cheng Wang, and Andrea Blanco-Redondo

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Abstract

We unveil the primary origin of imperfections in quasi-phase-matching (QPM) spectrum from thin-film lithium niobate (TFLN) frequency doublers using scattered light imaging. We conclude the measured spectral distortion arises from non-uniformities in the film thickness.

© 2023 The Author(s)

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