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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 15, Iss. 18 — Sep. 3, 2007
  • pp: 11364–11369

High-power 894 nm monolithic distributed-feedback laser

A. Klehr, H. Wenzel, O. Brox, F. Bugge, G. Erbert, T-P. Nguyen, and G. Tränkle  »View Author Affiliations


Optics Express, Vol. 15, Issue 18, pp. 11364-11369 (2007)
http://dx.doi.org/10.1364/OE.15.011364


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Abstract

A ridge-waveguide InGaAs/GaAsP laser, emitting up to 250 mW in a single lateral and longitudinal mode at a wavelength of 894 nm, is presented. The distributed feedback is provided by a second order grating, formed into an InGaP/GaAs/InGaP multilayer structure. Owing to the stable lasing frequency, the large side mode suppression ratio (>40 dB) and small spectral line width (<200 kHz) the diode laser is well suited for caesium D1 spectroscopy. This was verified by the measurement of the hyperfine structure of the D1 line.

© 2007 Optical Society of America

OCIS Codes
(140.0140) Lasers and laser optics : Lasers and laser optics
(140.2020) Lasers and laser optics : Diode lasers
(140.3490) Lasers and laser optics : Lasers, distributed-feedback
(300.1030) Spectroscopy : Absorption
(300.6260) Spectroscopy : Spectroscopy, diode lasers

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: May 16, 2007
Revised Manuscript: August 14, 2007
Manuscript Accepted: August 20, 2007
Published: August 22, 2007

Citation
A. Klehr, H. Wenzel, O. Brox, F. Bugge, G. Erbert, T-P. Nguyen, and G. Tränkle, "High-power 894 nm monolithic distributed-feedback laser," Opt. Express 15, 11364-11369 (2007)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-15-18-11364


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References

  1. S. B. Ross, S. I. Kanorsky, A. Weis, T. H. Hänsch, "A single mode, cw, diode laser at the Caesium D1 (894.59 nm) transition," Opt. Commun. 120, 155 - 157 (1995) [CrossRef]
  2. A. Andalkar, S. K. Lamoreaux and R. B. Warrington, "Improved external cavity design for caesium D1 (894 nm) diode laser," Review of Science Instruments 71, 4029-4061 (2000) [CrossRef]
  3. A. Andalkar and R. B. Warrington, "High-resolution measurement of the pressure broadening and shift of the Cs D1 and D2 lines by N2 and He buffer gases," Phys. Rev. A 65032708, (2002) [CrossRef]
  4. A. Klehr, H. Wenzel, 0. Brox, F. Bugge, J. Fricke, A. Ginolas, P. Ressel, G. Erbert, "Five-hundred-milliwatts distributed-feedback diode laser emitting at 940 nm," Opt. Laser Technol. 39333-337 (2007) [CrossRef]
  5. http://www.nanoplus.com
  6. T-P. Nguyen, A. Klehr, O. Brox, G. Erbert and G. Tränkle, "High power 780 nm DFB laser with 500 kHz line width," Advances in Optics, Photonics, Spectroscopy and Applications, 267-272, Aug. 2006, Cantho, Vietnam
  7. H. Wenzel, A. Klehr, M. Braun, F. Bugge, G. Erbert, J. Fricke, A. Knauer, P. Ressel, B. Sumpf, M. Weyers and G. Tränkle "Design and realization of high power DFB lasers," Proc. SPIE 5595, 110-123, (2004) [CrossRef]
  8. T. Udem, T. Reichert, R. Holzwarth. AndT. W. Hänsch, "Absolute Optical Frequency Measurement of the Caesium D1 Line with a Mode-locked Laser," Phys. Rev. Lett. 82,3568-3571 (1999) [CrossRef]

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