High-power operation of quantum-dot semiconductor disk laser at 1180 nm

Dalia Al Nakdali, Mahmoud Gaafar, Mohammad Khaled Shakfa, Fan Zhang, Max Vaupel, Ksenia A. Fedorova, Arash Rahimi-Iman, Edik U. Rafailov, Martin Koch

Research output: Contribution to journalArticlepeer-review

15 Scopus citations

Abstract

In this letter, we report on a high-power operation of an optically pumped quantum-dot semiconductor disk laser designed for emission at 1180 nm. As a consequence of the optimization of the operation conditions, a record-high continuous-wave output power exceeding 7 W is obtained for this wavelength at a heat-sink temperature of 2 °C. A wavelength tuning over a range of 37 nm is achieved using a birefringent filter inside the cavity.

Original languageBritish English
Article number7053940
Pages (from-to)1128-1131
Number of pages4
JournalIEEE Photonics Technology Letters
Volume27
Issue number10
DOIs
StatePublished - 15 May 2015

Keywords

  • optical pumping
  • Quantum-dot (QD) semiconductors
  • semiconductor disk laser (SDL)
  • vertical-external cavity surface-emitting laser (VECSEL)
  • wavelength tuning

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