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Dual-wavelength mode-locked quantum-dot laser, via ground and excited state transitions: Experimental and theoretical investigation

Cataluna, MA; Nikitichev, DI; Rafailov, EU; Mikroulis, S; Simos, H; Simos, C; Mesaritakis, C; ... Livshits, D; + view all (2010) Dual-wavelength mode-locked quantum-dot laser, via ground and excited state transitions: Experimental and theoretical investigation. Optics Express , 18 (12) 12832 - 12838. 10.1364/OE.18.012832. Green open access

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Abstract

We report a dual-wavelength passive mode locking regime where picosecond pulses are generated from both ground (k = 1263nm) and excited state transitions (λ = 1180nm), in a GaAs-based monolithic twosection quantum-dot laser. Moreover, these results are reproduced by numerical simulations which provide a better insight on the dualwavelength mode-locked operation.

Type: Article
Title: Dual-wavelength mode-locked quantum-dot laser, via ground and excited state transitions: Experimental and theoretical investigation
Open access status: An open access version is available from UCL Discovery
DOI: 10.1364/OE.18.012832
Publisher version: http://dx.doi.org/10.1364/OE.18.012832
Language: English
Additional information: © 2010 Optical Society of America. This is an Open Access article.
Keywords: Mode-locked lasers; Semiconductor lasers; Quantum-well, -wire and -dot devices; Ultrafast phenomena.
UCL classification: UCL
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Mechanical Engineering
URI: https://discovery.ucl.ac.uk/id/eprint/1435510
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