[CWP10A] Fiber Lasers and Amplifier Devices

[CWP10A-04] A High-Gain Cladded Erbium-Doped LNOI Waveguide Amplifier Fabricated by PLACE

*Youting Liang¹, Junxia Zhou¹, Zhaoxiang Liu¹, Haisu Zhang¹, Zhiwei Fang¹, Yuan Zhou², Difeng Yin², Jintian Lin², Jianping Yu², Rongbo Wu², Min Wang¹, Ya Cheng^1,2,3,4,5 (1. East China Normal Univ. (China), 2. Shanghai Institute of Optics and Fine Mechanics (China), 3. Shanghai Research Center for Quantum Sciences (China), 4. Shanxi Univ. (China), 5. Shandong Univ. (China))

[Presentation Style] Online

Erbium doped thin film lithium niobate waveguide amplifier is fabricated using photolithography assisted chemo-mechanical etching technique. A thin cladding layer of tantalum pentoxide is deposited to boost the optical gain exceeding 20 dB.