Recent Advances in Femtosecond Laser Processing of LiNbO3 Crystals for Photonic Applications,Laser & Photonics Reviews

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Recent Advances in Femtosecond Laser Processing of LiNbO3 Crystals for Photonic Applications
Laser & Photonics Reviews ( IF 9.8 ) Pub Date : 2020-07-15 , DOI: 10.1002/lpor.201900407
Bin Zhang ₁ , Lei Wang ₁ , Feng Chen ₁

Affiliation

Femtosecond laser pulses have been extensively employed to achieve 3D micro‐ and nanofabrication in various materials for a broad variety of applications. LiNbO₃ crystal is a multifunctional material due to its combination of a number of excellent properties. By using femtosecond laser direct writing, various structures have been fabricated in LiNbO₃ crystals based on the refractive index changes, surface morphology modifications, or domain structures to realize intriguing applications in integrated photonics. Herein, a state‐of‐the‐art review is provided on the femtosecond laser processing of LiNbO₃ crystals, including the fabrication of diverse photonic structures and applications in nonlinear optics. To conclude, a brief outlook with a few potential spotlights is presented.

中文翻译：

飞秒激光加工LiNbO3晶体用于光子应用的最新进展

飞秒激光脉冲已被广泛用于在各种材料中实现3D微米和纳米加工。LiNbO ₃晶体由于具有多种优异性能而成为一种多功能材料。通过使用飞秒激光直接写入，已基于折射率变化，表面形态修改或畴结构在LiNbO ₃晶体中制造了各种结构，以实现集成光子学中的有趣应用。本文提供了有关飞秒激光处理LiNbO _{3的最新技术}晶体，包括各种光子结构的制造及其在非线性光学中的应用。总而言之，本文简要介绍了一些潜在的关注点。

更新日期：2020-07-15

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