On-chip single-mode thin film lithium niobate laser based on Sagnac loop reflectors

分类： 光学 >> 量子光学 提交时间： 2023-02-19

Shupeng Yu Zhiwei Fang Zhe Wang Yuan Zhou Qinfen Huang Jian Liu Rongbo Wu Haisu Zhang Min Wang Ya Cheng

摘要： We demonstrate an on-chip single-mode Er3+-doped thin film lithium niobate (Er: TFLN) laser which consists of a Fabry-P\'erot (FP) resonator based on Sagnac loop reflectors (SLRs). The fabricated Er: TFLN laser has a footprint of 6.5 mmx1.5 mm with a loaded quality (Q) factor of 1.6x105 and a free spectral range (FSR) of 63 pm. We generate the single-mode laser around 1550-nm wavelength with a maximum output power of 44.7 {\mu}W and a slope efficiency of 0.18 %.

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