A frequency-doubled laser system producing ns pulses for rubidium manipulation

  • J. Dingjan
  • , B. Darquié
  • , J. Beugnon
  • , M. P.A. Jones
  • , S. Bergamini
  • , G. Messin
  • , A. Browaeys
  • , P. Grangier

Research output: Contribution to journalArticlepeer-review

Abstract

We have constructed a pulsed laser system for the manipulation of cold 87Rb atoms. The system combines optical telecommunications components and frequency doubling to generate light at 780 nm. Using a fast, fibre-coupled intensity modulator, we sliced output from a continuous laser diode into pulses with a length between 1.3 and 6.1 ns and a repetition frequency of 5 MHz. These pulses are amplified using an erbium-doped fibre amplifier, and frequency-doubled in a periodically poled lithium niobate crystal, yielding a peak power up to 12 W. Using the resulting light at 780 nm, we demonstrate Rabi oscillations on the F=2,mF=+2 ↔ F'=3, m'F=+3-transition of a single 87Rb atom.

Original languageEnglish
Pages (from-to)47-51
Number of pages5
JournalApplied Physics B: Lasers and Optics
Volume82
Issue number1
DOIs
Publication statusPublished - 1 Jan 2006
Externally publishedYes

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