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High-Power Wavelength Bistability and Tunability in Passively Mode-Locked Quantum-Dot Laser

Nikitichev, DI; Cataluna, M; Fedorova, KA; Ying, D; Mikhrin, SS; Krestnikov, IL; Livshits, DA; (2013) High-Power Wavelength Bistability and Tunability in Passively Mode-Locked Quantum-Dot Laser. IEEE Journal of Selected Topics in Quantum Electronics , 19 (4) , Article 1100907. 10.1109/JSTQE.2013.2239610. Green open access

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Abstract

Wavelength bistability and tunability are demonstrated in a two-sectional quantum-dot mode-locked laser with a nonidentical capping layer structure. The continuous wave output power of 30 mW (25 mW) and mode-locked average power of 27 mW (20 mW) are achieved for 1245 nm (1295 nm) wavelengths, respectively, under the injection current of 300 mA. The largest switching range of more than 50 nm and wavelength tuning range with picosecond pulses and stable lasing wavelengths between 1245 and 1295 nm are demonstrated for gain current of 300 and 330 mA.

Type: Article
Title: High-Power Wavelength Bistability and Tunability in Passively Mode-Locked Quantum-Dot Laser
Open access status: An open access version is available from UCL Discovery
DOI: 10.1109/JSTQE.2013.2239610
Publisher version: http://dx.doi.org/10.1109/JSTQE.2013.2239610
Language: English
Additional information: © 2013 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
Keywords: Laser mode-locking, quantum dot lasers, optical pulses, laser tuning, wavelength bistability
UCL classification: UCL > Provost and Vice Provost Offices
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 Med Phys and Biomedical Eng
URI: https://discovery.ucl.ac.uk/id/eprint/1462818
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