Fiber-coupled 840-nm broadband SLED-SOA MOPA source integrated in 14-pin butterfly module with 60 mW output power

J. Ojeda; S. Gloor; L. Merker; N. Primerov; N. Matuschek; M. Duelk; C. Velez

doi:10.1117/12.2616120

9 December 2021 Fiber-coupled 840-nm broadband SLED-SOA MOPA source integrated in 14-pin butterfly module with 60 mW output power

J. Ojeda, S. Gloor, L. Merker, N. Primerov, N. Matuschek, M. Duelk, C. Velez

Author Affiliations +

Proceedings Volume 11924, Optical Coherence Imaging Techniques and Imaging in Scattering Media IV; 1192416 (2021) https://doi.org/10.1117/12.2616120
Event: European Conferences on Biomedical Optics, 2021, Online Only

Abstract

We demonstrate the first fiber-coupled, broadband master oscillator power amplifier (MOPA) module where amplified spontaneous emission (ASE) light from an 840-nm superluminescent diode (SLED) is amplified by a low-confinement, broadband 840-nm semiconductor optical amplifier (SOA), generating power levels of more than 60 mW in single-mode fibers. The SLED and SOA are integrated, without an optical isolator in between, in a compact 14-pin Butterfly module on a temperature-stabilized optical bench. The highly-polarized ASE output has a polarization extinction ratio (PER) of more than 30 dB and a 10-dB bandwidth of more than 50 nm, resulting in a coherence length of 10 microns in air.

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J. Ojeda, S. Gloor, L. Merker, N. Primerov, N. Matuschek, M. Duelk, and C. Velez "Fiber-coupled 840-nm broadband SLED-SOA MOPA source integrated in 14-pin butterfly module with 60 mW output power", Proc. SPIE 11924, Optical Coherence Imaging Techniques and Imaging in Scattering Media IV, 1192416 (9 December 2021); https://doi.org/10.1117/12.2616120

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