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Design of an Efficient Pumping Scheme for Mid-IR Dy3+:Ga5Ge20Sb10S65PCF Fiber Laser

Mario Christian Falconi, Giuseppe Palma, Florent Starecki, Virginie Nazabal, Johann Troles, Stefano Taccheo Orcid Logo, Maurizio Ferrari, Francesco Prudenzano

IEEE Photonics Technology Letters, Volume: 28, Issue: 18, Pages: 1984 - 1987

Swansea University Author: Stefano Taccheo Orcid Logo

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DOI (Published version): 10.1109/LPT.2016.2581022

Abstract

This letter illustrates the design of a novel medium infrared (Mid-IR) laser based on a photonic crystal fiber made of dysprosium-doped chalcogenide glass, Dy3+:Ga5Ge20Sb10S65. In order to perform a realistic investigation, the simulation is performed by taking into account the spectroscopic paramet...

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Published in: IEEE Photonics Technology Letters
ISSN: 1041-1135 1941-0174
Published: 2016
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URI: https://cronfa.swan.ac.uk/Record/cronfa28873
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Abstract: This letter illustrates the design of a novel medium infrared (Mid-IR) laser based on a photonic crystal fiber made of dysprosium-doped chalcogenide glass, Dy3+:Ga5Ge20Sb10S65. In order to perform a realistic investigation, the simulation is performed by taking into account the spectroscopic parameters measured on the rare earth-doped glass sample. The simulated results show that an optical beam emission close to 4400-nm wavelength can be obtained by employing two pump beams at 2850 nm (pump #1) and 4092 nm (pump #2) wavelengths. As example, for the pump powers of 50 mW (pump #1) and 1 W (pump #2), the input mirror reflectivity of 99%, the output mirror reflectivity of 30%, and the optical cavity length of 50 cm, a signal power close to 350 mW at the wavelength of 4384 nm can be generated. This result indicates that the designed source configuration is feasible for high beam quality Mid-IR light generation and it is efficient enough to find applications in optical free propagation links, optical remote sensing, and medicine.
Item Description: This work is licensed under a Creative Commons Attribution 3.0 License
College: Faculty of Science and Engineering
Issue: 18
Start Page: 1984
End Page: 1987

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