Vibration-tolerant narrow-linewidth semiconductor disk laser using novel frequency-stabilisation schemes

Craig R. Hunter, Brynmor E. Jones, Peter Schlosser, Simon Toft Sørensen, Michael J. Strain, Loyd J. McKnight

Research output: Contribution to journalConference Contribution

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Abstract

This paper will present developments in narrow-linewidth semiconductor-disk-laser systems using novel frequency-stabilisation schemes for reduced sensitivity to mechanical vibrations, a critical requirement for mobile applications. Narrow-linewidth single-frequency lasers are required for a range of applications including metrology and high-resolution spectroscopy. Stabilisation of the laser was achieved using a monolithic fibre-optic ring resonator with free spectral range of 181 MHz and finesse of 52 to act as passive reference cavity for the laser. Such a cavity can operate over a broad wavelength range and is immune to a wide band of vibrational frequency noise due to its monolithic implementation. The frequency noise of the locked system has been measured and compared to typical Fabry-Perot-locked lasers using vibration equipment to simulate harsh environments, and analysed here. Locked linewidths of < 40 kHz have been achieved. These developments offer a portable, narrow-linewidth laser system for harsh environments that can be flexibly designed for a range of applications.
Original languageEnglish
Article number105150Q
Number of pages8
JournalProceedings of SPIE
Volume10515
DOIs
Publication statusPublished - 15 Feb 2018
EventSPIE Photonics West 2018: OPTO - The Moscone Center, San Francisco, United States
Duration: 27 Jan 20181 Feb 2018
http://spie.org/conferences-and-exhibitions/photonics-west/?SSO=1

Keywords

  • SDL
  • VECSEL
  • single-frequency
  • narrow-linewidth
  • Stabilisation
  • ring-resonator
  • frequency-noise

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