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Tunable Master-Oscillator Power-Amplifier Based on Chirped Quantum-Dot Structures

Ding, Y; Alhazime, A; Nikitichev, D; Fedorova, K; Ruiz, M; Tran, M; Robert, Y; ... Rafailov, E; + view all (2012) Tunable Master-Oscillator Power-Amplifier Based on Chirped Quantum-Dot Structures. IEEE Photonics Technology Letters , 24 (20) 1841 - 1844. 10.1109/LPT.2012.2216516. Green open access

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Abstract

A broadly tunable master-oscillator power-amplifier (MOPA) picosecond optical pulse source is demonstrated, consisting of an external cavity passively mode-locked laser diode with a tapered semiconductor amplifier. By employing chirped quantum-dot structures on both the oscillator's gain chip and amplifier, a wide tunability range between 1187 and 1283 nm is achieved. Under mode-locked operation, the highest output peak power of 4.39 W is achieved from the MOPA, corresponding to a peak power spectral density of 31.4 dBm/nm.

Type: Article
Title: Tunable Master-Oscillator Power-Amplifier Based on Chirped Quantum-Dot Structures
Open access status: An open access version is available from UCL Discovery
DOI: 10.1109/LPT.2012.2216516
Publisher version: http://dx.doi.org/10.1109/LPT.2012.2216516
Language: English
Additional information: Copyright © 2012 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: Chirped quantum dots, master-oscillator power-amplifier, mode-locking, tunability
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/1462816
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