Whispering gallery mode microlaser at liquid Helium temperature

F. Treussart, V. S. Ilchenko, J. F. Roch, P. Domokos, J. Hare, V. Lefèvre, J. M. Raimond, S. Haroche

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

We report on the realization of neodymium-doped silica microsphere laser, of diameters in the range 50-100 μm. Following very low threshold observed at room temperature (absorbed pump power of 200 nW), we present the new cryogenic setup operating at 2K. Very high quality factor Q > 3 × 108 has been preserved in a 50 μm diameter microsphere immersed in superfluid Helium. Preliminary results on lasing at this temperature have also been obtained as a first step towards a 'thresholdless' regime.

Original languageEnglish
Pages (from-to)670-673
Number of pages4
JournalJournal of Luminescence
Volume76-77
Publication statusPublished - Feb 1998

Fingerprint

Whispering gallery modes
Helium
whispering gallery modes
Microspheres
liquid helium
Superfluid helium
Neodymium
Temperature
Liquids
neodymium
Silicon Dioxide
Cryogenics
cryogenics
lasing
Q factors
Lasers
helium
Pumps
pumps
silicon dioxide

Keywords

  • Cavity quantum electrodynamics
  • Microlaser
  • Monolithic microcavities

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Atomic and Molecular Physics, and Optics

Cite this

Treussart, F., Ilchenko, V. S., Roch, J. F., Domokos, P., Hare, J., Lefèvre, V., ... Haroche, S. (1998). Whispering gallery mode microlaser at liquid Helium temperature. Journal of Luminescence, 76-77, 670-673.

Whispering gallery mode microlaser at liquid Helium temperature. / Treussart, F.; Ilchenko, V. S.; Roch, J. F.; Domokos, P.; Hare, J.; Lefèvre, V.; Raimond, J. M.; Haroche, S.

In: Journal of Luminescence, Vol. 76-77, 02.1998, p. 670-673.

Research output: Contribution to journalArticle

Treussart, F, Ilchenko, VS, Roch, JF, Domokos, P, Hare, J, Lefèvre, V, Raimond, JM & Haroche, S 1998, 'Whispering gallery mode microlaser at liquid Helium temperature', Journal of Luminescence, vol. 76-77, pp. 670-673.
Treussart F, Ilchenko VS, Roch JF, Domokos P, Hare J, Lefèvre V et al. Whispering gallery mode microlaser at liquid Helium temperature. Journal of Luminescence. 1998 Feb;76-77:670-673.
Treussart, F. ; Ilchenko, V. S. ; Roch, J. F. ; Domokos, P. ; Hare, J. ; Lefèvre, V. ; Raimond, J. M. ; Haroche, S. / Whispering gallery mode microlaser at liquid Helium temperature. In: Journal of Luminescence. 1998 ; Vol. 76-77. pp. 670-673.
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