Efficient second harmonic generation in an on-chip high-Q crystalline microresonator fabricated by femtosecond laser

Jintian Lin; Yingxin Xu; Zhiwei Fang; Min Wang; Wei Fang; Ya Cheng

doi:10.1117/12.2211895

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22 April 2016 Efficient second harmonic generation in an on-chip high-Q crystalline microresonator fabricated by femtosecond laser

Jintian Lin, Yingxin Xu, Zhiwei Fang, Min Wang, Wei Fang, Ya Cheng

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Proceedings Volume 9727, Laser Resonators, Microresonators, and Beam Control XVIII; 972710 (2016) https://doi.org/10.1117/12.2211895
Event: SPIE LASE, 2016, San Francisco, California, United States

Abstract

We report on transiently phase matched second harmonic generation in an on-chip lithium niobate (LN) microresonator fabricated by femtosecond laser direct writing followed by focused ion beam milling. We demonstrate a normalized conversion efficiency of 1.1×10^-3/mW in the LN microdisk with a diameter of ~102 μm and a thickness of ~700 nm.

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Jintian Lin, Yingxin Xu, Zhiwei Fang, Min Wang, Wei Fang, and Ya Cheng "Efficient second harmonic generation in an on-chip high-Q crystalline microresonator fabricated by femtosecond laser", Proc. SPIE 9727, Laser Resonators, Microresonators, and Beam Control XVIII, 972710 (22 April 2016); https://doi.org/10.1117/12.2211895

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