Broadband fiber-optic thulium-doped source of amplified spontaneous emission

Jan Pokorný; Ondřej Moravec; Jan Aubrecht

doi:10.1117/12.2592931

18 April 2021 Broadband fiber-optic thulium-doped source of amplified spontaneous emission

Jan Pokorný, Ondřej Moravec, Jan Aubrecht

Proceedings Volume 11773, Micro-structured and Specialty Optical Fibres VII; 117731D (2021) https://doi.org/10.1117/12.2592931
Event: SPIE Optics + Optoelectronics, 2021, Online Only

Conference Poster

Abstract

We report on experimental setup and characterization of a broadband fiber-optic thulium-doped source of amplified spontaneous emission, which generates radiation in a spectral region around 2 micrometer wavelengths. We present a broadband source based on core-pumped thulium-doped fiber fabricated in house using the modified chemical vapor deposition method and solution doping method, pumped by erbium-doped fiber laser at 1566 nm. The source in a backward configuration with respect to the pump operates in a single-ended configuration achieved using a simple all-fiber geometry and produces radiation with an output power of up to 350 mW. The output spectrum is combined from two local emission peaks of the Tm-doped fiber, at around 1850 nm and at around 1950 nm, with total 3-dB width of more than 140 nm and output power of 130 mW.

Conference Presentation

Citation Download Citation

Jan Pokorný, Ondřej Moravec, and Jan Aubrecht "Broadband fiber-optic thulium-doped source of amplified spontaneous emission", Proc. SPIE 11773, Micro-structured and Specialty Optical Fibres VII, 117731D (18 April 2021); https://doi.org/10.1117/12.2592931

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