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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: G. I. Stegeman
  • Vol. 22, Iss. 11 — Nov. 1, 2005
  • pp: 2345–2349

Analysis of transverse mode competition and selection in multicore fiber lasers

Yanming Huo and Peter K. Cheo  »View Author Affiliations


JOSA B, Vol. 22, Issue 11, pp. 2345-2349 (2005)
http://dx.doi.org/10.1364/JOSAB.22.002345


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Abstract

We present an analysis of the transverse supermode competition mechanism in multicore fiber lasers based on rate equations extended to fibers with multiple cores. The model is used to analyze 7-core and 19-core fiber lasers with three commonly used feedback mechanisms as boundary conditions: butt-contact mirror or fiber Bragg grating, Talbot cavity, and collimating lens plus mirror. For the two last-named cases, different feedback (reflection) factors for different modes result from the diffraction effect. The diffraction effect favors the in-phase supermode. Because of mode mixing, a pure in-phase supermode is not obtained. However, for the 7-core fiber laser the in-phase mode can dominate the output.

© 2005 Optical Society of America

OCIS Codes
(070.6760) Fourier optics and signal processing : Talbot and self-imaging effects
(140.3290) Lasers and laser optics : Laser arrays
(140.3510) Lasers and laser optics : Lasers, fiber

ToC Category:
Lasers and Laser Optics

Citation
Yanming Huo and Peter K. Cheo, "Analysis of transverse mode competition and selection in multicore fiber lasers," J. Opt. Soc. Am. B 22, 2345-2349 (2005)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-22-11-2345


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References

  1. Y. Huo and P. K. Cheo, “Thermo-mechanical properties of high power and high energy Yb-doped fiber lasers,” IEEE Photonics Technol. Lett.  16, 759–761 (2004).
  2. M. Wrage, P. Glas, D. Fischer, M. Leitner, D. V. Vysotsky, and A. P. Napartovich, “Phase locking in a multicore fiber laser by means of a Talbot resonator,” Opt. Lett.  25, 1436–1438 (2000).
  3. M. Wrage, P. Glas, D. Fischer, M. Leitner, N. N. Elkin, D. V. Vysotsky, A. P. Napartovich, and V. N. Troshchieva, “Phase locking in a multicore fiber laser by wave propagation through an annular waveguide,” Opt. Commun.  205, 367–375 (2002).
  4. P. K. Cheo, A. Liu, and G. G. King, “A high-brightness laser beam from a phase-locked multicore Yb-doped fiber laser array,” IEEE Photonics Technol. Lett.  13, 439–441 (2001).
  5. Y. Huo, P. K. Cheo, and G. G. King, “Fundamental mode operation of a 19-core phase-locked Yb-doped fiber amplifier,” Opt. Express  12, 6230–6239 (2004).
  6. A. Mafi and J. V. Molony, “Phase locking in a passive multicore photonic crystal fiber,” J. Opt. Soc. Am. B  21, 897–902 (2004).
  7. E. K. Bochov, P. K. Cheo, and G. G. King, “Self-organization in a multicore fiber laser array,” Opt. Lett.  28, 1200–1202 (2003).
  8. F. Patel, “Solid-state rare-earth doped media for applications in waveguide lasers,” Ph.D. dissertation (University of California, Davis, 2000).
  9. B. E. A. Saleh and M. C. Teich, Fundamentals of Photonics (Wiley, 1991).
  10. C. J. Corcoran and K. A. Pasch, “Self-Fourier function and coherent laser combination,” J. Phys. A  37, L461–L469 (2004).

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