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Hybrid electronically addressable random fiber laser
RISE Research Institutes of Sweden, Digitala system, Smart hårdvara. KTH Royal Institute of Technology, Sweden.ORCID-id: 0000-0001-8058-2140
Universidade Federal de Pernambuco, Brazil.
University of Rio de Janeiro, Brazil.
Universidade Federal de Pernambuco, Brazil.
2020 (engelsk)Inngår i: Optics Express, E-ISSN 1094-4087, Vol. 28, nr 16, s. 23388-23396Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

We report here a novel architecture for a random fiber laser exploiting the combination of a semiconductor optical amplifier (SOA) and an erbium doped fiber (EDF). The EDF was optically biased by a continuous wave pump laser, whereas the SOA was arranged in a fiber loop-mirror and driven by nanosecond duration current pulses. Laser pulses were obtained by synchronizing the SOA driver to the returning amplified Rayleigh back-scattered light from a selected short section of the EDF. By tuning the SOA pulse rate, random lasing was achieved by addressing selected meter-long sections of the 81-m long EDF, which was open-ended. Laser oscillation can be potentially obtained with SOA modulation frequencies from several kHz to the MHz regime. We discuss the mechanism leading to the hybrid random laser emission, connecting with phase sensitive optical time domain reflectometry and envision potential applications of this electronically addressable random laser.

sted, utgiver, år, opplag, sider
OSA - The Optical Society , 2020. Vol. 28, nr 16, s. 23388-23396
Emneord [en]
Erbium doped fiber amplifiers, Fiber lasers, Fibers, Laser beams, Optical pumping, Semiconductor optical amplifiers, Ultrafast lasers, Continuous wave pump, Erbium doped fibers, Fiber loop mirrors, Modulation frequencies, Nanosecond duration, Novel architecture, Optical time domain reflectometry, Random laser emission, Laser mirrors
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Identifikatorer
URN: urn:nbn:se:ri:diva-51411DOI: 10.1364/OE.398201Scopus ID: 2-s2.0-85089131475OAI: oai:DiVA.org:ri-51411DiVA, id: diva2:1516703
Tilgjengelig fra: 2021-01-12 Laget: 2021-01-12 Sist oppdatert: 2022-09-15bibliografisk kontrollert

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