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Journal of the Optical Society of America B

Journal of the Optical Society of America B


  • Editor: Henry van Driel
  • Vol. 27, Iss. 7 — Jul. 1, 2010
  • pp: 1388–1393

Fiber-comb-stabilized light source at 556 nm for magneto-optical trapping of ytterbium

Masami Yasuda, Takuya Kohno, Hajime Inaba, Yoshiaki Nakajima, Kazumoto Hosaka, Atsushi Onae, and Feng-Lei Hong  »View Author Affiliations

JOSA B, Vol. 27, Issue 7, pp. 1388-1393 (2010)

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A frequency-stabilized light source emitting at 556 nm is realized by frequency doubling a 1112 nm laser, which is phase locked to a fiber-based optical frequency comb. The 1112 nm laser is either an ytterbium (Yb)-doped distributed feedback fiber laser or a master-slave laser system that uses an external cavity diode laser as a master laser. We have achieved the continuous frequency stabilization of the light source over a 5 day period. With the light source, we have completed the second-stage magneto-optical trapping (MOT) of Yb atoms using the S 1 0 P 3 1 intercombination transition. The temperature of the ultracold atoms in the MOT was 40 μ K when measured using the time-of-flight method, and this is sufficient for loading the atoms into an optical lattice. The fiber-based frequency comb is shown to be a useful tool for controlling the laser frequency in cold-atom experiments.

© 2010 Optical Society of America

OCIS Codes
(020.7010) Atomic and molecular physics : Laser trapping
(120.3940) Instrumentation, measurement, and metrology : Metrology
(120.4800) Instrumentation, measurement, and metrology : Optical standards and testing
(140.4050) Lasers and laser optics : Mode-locked lasers
(140.3425) Lasers and laser optics : Laser stabilization
(020.3320) Atomic and molecular physics : Laser cooling

ToC Category:
Lasers and Laser Optics

Original Manuscript: March 5, 2010
Revised Manuscript: May 12, 2010
Manuscript Accepted: May 13, 2010
Published: June 17, 2010

Masami Yasuda, Takuya Kohno, Hajime Inaba, Yoshiaki Nakajima, Kazumoto Hosaka, Atsushi Onae, and Feng-Lei Hong, "Fiber-comb-stabilized light source at 556 nm for magneto-optical trapping of ytterbium," J. Opt. Soc. Am. B 27, 1388-1393 (2010)

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