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Optics Express

Optics Express

  • Editor: J. H. Eberly
  • Vol. 5, Iss. 3 — Aug. 2, 1999
  • pp: 32–37

Fourier-optical selection of higher order transverse modes in broad area lasers

S. Wolff, D. Messerschmidt, and H. Fouckhardt  »View Author Affiliations


Optics Express, Vol. 5, Issue 3, pp. 32-37 (1999)
http://dx.doi.org/10.1364/OE.5.000032


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Abstract

A partially and a highly antireflection coated broad area laser are operated in an external cavity Fourier-optical 4f set-up to experimentally investigate transverse mode selection. The external cavity consists of a lens and a spatial frequency filter. Running freely the lasers show non-stationary filamentation. Placing the spatial filter unit directly onto the optical axis gives cw fundamental mode operation and a transverse shift of the spatial filter in the plane of the active region allows for selective excitation of higher order modes.

© Optical Society of America

OCIS Codes
(070.2580) Fourier optics and signal processing : Paraxial wave optics
(070.6110) Fourier optics and signal processing : Spatial filtering
(130.0130) Integrated optics : Integrated optics
(140.2020) Lasers and laser optics : Diode lasers
(140.3300) Lasers and laser optics : Laser beam shaping
(140.3410) Lasers and laser optics : Laser resonators

ToC Category:
Focus Issue: Spatial and Polarization Dynamics of Semiconductor Lasers

History
Original Manuscript: March 29, 1999
Published: August 2, 1999

Citation
Sandra Wolff, D. Messerschmidt, and Henning Fouckhardt, "Fourier-optical selection of higher order transverse modes in broad area lasers," Opt. Express 5, 32-37 (1999)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-5-3-32


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References

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