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Optics Express

Optics Express

  • Editor: J. H. Eberly
  • Vol. 8, Iss. 12 — Jun. 2, 2001
  • pp: 670–681

Extraction characteristics of a one dimensional Talbot cavity with stochastic propagation phase

P. Peterson, A. Gavrielides, and M. P. Sharma  »View Author Affiliations


Optics Express, Vol. 8, Issue 12, pp. 670-681 (2001)
http://dx.doi.org/10.1364/OE.8.000670


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Abstract

We study the near- and far-fields of a linear array of fiber lasers in an external Talbot cavity. Each emitter has a random optical path difference (OPD)phase due to length and dispersion differences. The individual emitter fields are described by forward and reverse differential equations in the Rigrod approximation with the Talbot cavity coupling all emitters through boundary conditions. We analytically determine the effect of the rms phase on the increase in the threshold, the decrease in the emitter amplitude, and the decrease in the far-field intensity. These results are confirmed numerically by using a Monte Carlo technique for the phase. This leads to a locking probability, a coherence function, and the on-axis intensity as functions of the rms phase. Another issue which we investigate is the cavity performance for inter-cavity and external cavity phasing and find the latter preferable. We also determine the strong coupling limit for the fill factor.

© Optical Society of America

OCIS Codes
(070.6760) Fourier optics and signal processing : Talbot and self-imaging effects
(140.3410) Lasers and laser optics : Laser resonators

ToC Category:
Research Papers

History
Original Manuscript: April 11, 2001
Published: June 2, 2001

Citation
Phillip Peterson, Athanasios Gavrielides, and M. Sharma, "Extraction characteristics of a one dimensional Talbot cavity with stochastic propagation phase," Opt. Express 8, 670-681 (2001)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-8-12-670


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