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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 10, Iss. 20 — Oct. 7, 2002
  • pp: 1060–1073

Extraction characteristics of a dual fiber compound cavity

T. B. Simpson, A. Gavrielides, and P. Peterson  »View Author Affiliations


Optics Express, Vol. 10, Issue 20, pp. 1060-1073 (2002)
http://dx.doi.org/10.1364/OE.10.001060


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Abstract

We study experimentally the time dependence, steady state behavior and spectra of a dual fiber-laser compound cavity. Theoretically we confirm the CW and spectral characteristics. This particular cavity is formed with two Er-doped fiber amplifiers, each terminated with a fiber Bragg grating, and coupled through a 50/50 coupler to a common feedback and output coupling element. The experiment and theory show that a low Q, high gain symmetric compound cavity extracts nearly 4 times the power of a component resonator. This extraction is maintained even when there is significant difference in the optical pathlengths of the two component elements. Further, our measurements and theory show that the longitudinal modes of the coupled cavity are distinct from the modes of the component cavities and that the coherence is formed on a mode-by-mode basis using these coupled-cavity modes. The time behavior of the compound cavity shows slow fluctuations, on the order of seconds, consistent with perturbations in the laboratory environment.

© 2002 Optical Society of America

OCIS Codes
(060.2320) Fiber optics and optical communications : Fiber optics amplifiers and oscillators
(140.3410) Lasers and laser optics : Laser resonators

ToC Category:
Research Papers

History
Original Manuscript: July 30, 2002
Revised Manuscript: September 20, 2002
Published: October 7, 2002

Citation
T. Simpson, A. Gavrielides, and Phillip Peterson, "Extraction characteristics of a dual fiber compound cavity," Opt. Express 10, 1060-1073 (2002)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-10-20-1060


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References

  1. See, for example, V. V. Apollonov, S. I. Derzhavin, V. I. Kislov, V. V. Kuzminov, D. A. Mashkovsky andA . M. Prokhorov, �??Phase-locking of the 2D Structures,�?? Opt. Express 4, 19 (1999), <a href="http://www.opticsexpress.org/abstract.cfm?URI=OPEX-4-1-19">http://www.opticsexpress.org/abstract.cfm?URI=OPEX-4-1-19</a>. [CrossRef] [PubMed]
  2. 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 Photon. Technol. Lett. 13, 439 (2001). [CrossRef]
  3. E. J. Bochove, �??Theory of Spectral Beam Combining of Fiber Lasers,�?? IEEE J. Quantum Electron. 38, 432 (2002). [CrossRef]
  4. V. A. Kozlov, J. Hernandez-Cordoero, and T. F. Morse , �??All-fiber Coherent Beam Combining of Fiber Lasers,�?? Opt. Lett. 24, 1814 (1999). [CrossRef]
  5. A. E. Siegman, Lasers, (University Science Books, Mill Valley CA, 1986.)

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