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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 37, Iss. 12 — Apr. 20, 1998
  • pp: 2402–2406

Coherent addition of adjacent lasers by forked eigenstate operation

Marc Brunel, Albert Le Floch, Fabien Bretenaker, Jean Marty, and Engin Molva  »View Author Affiliations


Applied Optics, Vol. 37, Issue 12, pp. 2402-2406 (1998)
http://dx.doi.org/10.1364/AO.37.002402


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Abstract

Forked laser eigenstates are shown to provide a powerful tool both to phase lock spatially separated laser oscillators and to add their powers coherently into a TEM00 output beam. Coherent addition of the powers extracted from two fiber-coupled diode-pumped Nd:YAG channels is theoretically and experimentally demonstrated. Pure TEM00 oscillation is obtained with a 20% optical-to-optical conversion efficiency. The coherence of the two-propagation-axis laser is proved, and single-frequency operation is demonstrated. The scalability of the scheme is discussed.

© 1998 Optical Society of America

OCIS Codes
(140.0140) Lasers and laser optics : Lasers and laser optics
(140.3290) Lasers and laser optics : Laser arrays
(140.3410) Lasers and laser optics : Laser resonators
(140.3480) Lasers and laser optics : Lasers, diode-pumped
(260.5430) Physical optics : Polarization

History
Original Manuscript: August 4, 1997
Revised Manuscript: December 15, 1997
Published: April 20, 1998

Citation
Marc Brunel, Albert Le Floch, Fabien Bretenaker, Jean Marty, and Engin Molva, "Coherent addition of adjacent lasers by forked eigenstate operation," Appl. Opt. 37, 2402-2406 (1998)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-37-12-2402

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