Broadly tunable high-power InAs/GaAs quantum-dot external cavity diode lasers

Ksenia A. Fedorova, Maria Ana Cataluna, Igor Krestnikov, Daniil Livshits, Edik U. Rafailov

    Research output: Contribution to journalArticlepeer-review

    91 Citations (Scopus)

    Abstract

    A record broadly tunable high-power external cavity InAs/GaAs quantum-dot diode laser with a tuning range of 202 nm (1122 nm-1324 nm) is demonstrated. A maximum output power of 480 mW and a side-mode suppression ratio greater than 45 dB are achieved in the central part of the tuning range. We exploit a number of strategies for enhancing the tuning range of external cavity quantum-dot lasers. Different waveguide designs, laser configurations and operation conditions (pump current and temperature) are investigated for optimization of output power and tunability. (C) 2010 Optical Society of America

    Original languageEnglish
    Pages (from-to)19438-19443
    Number of pages6
    JournalOptics Express
    Volume18
    Issue number18
    DOIs
    Publication statusPublished - 30 Aug 2010

    Keywords

    • TUNING RANGE
    • NM
    • SPECTROSCOPY
    • EMISSION
    • SPECTRUM

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