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Proceedings Paper

840-nm broadband SLED-SOA MOPA source integrated in 14-pin butterfly module with 100+ mW free-space output power
Author(s): Marcus Duelk; Stefan Gloor; Jose Ojeda; Jean Dahdah; Nicolai Matuschek; Raffaele Rezzonico; Christian Velez
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Paper Abstract

We demonstrate, to our knowledge for the first time, an integrated 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) in order to generate power levels of more than 100 mW in free space. The SLED-SOA MOPA architecture is realized on a free-space, temperaturestabilized, micro-optical bench and integrated in a 14-pin butterfly module with an optical window output. The highlypolarized ASE light from the SLED is intrinsically aligned to the polarization of the SOA, thereby providing high-power amplified ASE light with an extinction ratio of more than 20 dB and with an optical bandwidth of more than 35 nm FWHM. Optimization of the ASE input signal and of the booster SOA design may either increase the optical bandwidth of the amplified ASE output signal or may also increase the output power levels to a regime of 200-300 mW.

Paper Details

Date Published: 21 February 2020
PDF: 3 pages
Proc. SPIE 11228, Optical Coherence Tomography and Coherence Domain Optical Methods in Biomedicine XXIV, 112282L (21 February 2020); doi: 10.1117/12.2549134
Show Author Affiliations
Marcus Duelk, EXALOS AG (Switzerland)
Stefan Gloor, EXALOS AG (Switzerland)
Jose Ojeda, EXALOS AG (Switzerland)
Jean Dahdah, EXALOS AG (Switzerland)
Nicolai Matuschek, EXALOS AG (Switzerland)
Raffaele Rezzonico, EXALOS AG (Switzerland)
Christian Velez, EXALOS AG (Switzerland)


Published in SPIE Proceedings Vol. 11228:
Optical Coherence Tomography and Coherence Domain Optical Methods in Biomedicine XXIV
Joseph A. Izatt; James G. Fujimoto, Editor(s)

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