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On-chip single-mode thin-film lithium niobate Fabry–Perot resonator laser based on Sagnac loop reflectors

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

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Abstract

We demonstrate an on-chip single-mode Er3+-doped thin-film lithium niobate (Er:TFLN) laser which consists of a Fabry–Perot (FP) resonator based on Sagnac loop reflectors (SLRs). The fabricated Er:TFLN laser has a footprint of 6.5 mm × 1.5 mm with a loaded quality (Q) factor of 1.6 × 105 and a free spectral range (FSR) of 63 pm. We generate the single-mode laser at 1544 nm wavelength with a maximum output power of 44.7 µW and a slope efficiency of 0.18%.

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Supplementary Material (1)

NameDescription
Supplement 1       Design and simulate of Er: TFLN FP resonator laser

Data availability

Data underlying the results presented in this paper are not publicly available at this time but may be obtained from the authors upon reasonable request.

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