Towards mid-infrared supercontinuum generation with MHz Er:ZBLAN fiber lasers using a MOPA architecture

Yiwen Shi; Callum R. Smith; Sidharthan Raghuraman; Shaoxiang Chen; Seongwoo Yoo; Song Yang; Christian R. Petersen; Ole Bang

doi:10.1117/12.3000358

13 March 2024 Towards mid-infrared supercontinuum generation with MHz Er:ZBLAN fiber lasers using a MOPA architecture

Yiwen Shi, Callum R. Smith, Sidharthan Raghuraman, Shaoxiang Chen, Seongwoo Yoo, Song Yang, Christian R. Petersen, Ole Bang

Author Affiliations +

Proceedings Volume PC12865, Fiber Lasers XXI: Technology and Systems; PC128650N (2024) https://doi.org/10.1117/12.3000358
Event: SPIE LASE, 2024, San Francisco, California, United States

Conference Poster

Abstract

Mid-infrared supercontinuum lasers are spatially coherent and can cover a wide spectral range of 2-10 μm. This makes them useful in many important applications, such as spectroscopy and optical coherence tomography. 2.8 μm ultrafast lasers are an important emerging pump wavelength for mid-infrared supercontinuum sources. We present our work on MHz repetition rate 2.8 μm erbium-doped ZBLAN fiber lasers using a MOPA architecture to boost the output power. Performing pulse break-up in a highly Germania-doped silica fiber and pumping this spectrum into a highly nonlinear sulfide fiber, we demonstrate both the noise and bandwidth achievable with the novel fiber cascade. We acknowledge funding from Villum Fonden (2021 Villum Investigator project no. 00037822: Table-Top Synchrotrons).

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Yiwen Shi, Callum R. Smith, Sidharthan Raghuraman, Shaoxiang Chen, Seongwoo Yoo, Song Yang, Christian R. Petersen, and Ole Bang "Towards mid-infrared supercontinuum generation with MHz Er:ZBLAN fiber lasers using a MOPA architecture", Proc. SPIE PC12865, Fiber Lasers XXI: Technology and Systems, PC128650N (13 March 2024); https://doi.org/10.1117/12.3000358

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