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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 13, Iss. 8 — Apr. 18, 2005
  • pp: 3179–3184

Single-frequency fiber ring laser with 1Woutput power at 1.5µm

Alexander Polynkin, Pavel Polynkin, Masud Mansuripur, and N. Peyghambarian  »View Author Affiliations

Optics Express, Vol. 13, Issue 8, pp. 3179-3184 (2005)

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We report a single-frequency fiber laser with 1W output power at 1.5µm which is to our knowledge, five times the highest power from a single-frequency fiber laser reported to-date. The short unidirectional ring cavity approach is used to eliminate the spatial gain hole-burning associated with the standing-wave laser designs. A heavily-doped phosphate fiber inside the ring resonator serves as the active medium of the laser. Up to 700mW of output power, the longitudinal mode hops have been completely eliminated by using the adjustable coupled-cavity approach. At higher power levels, the laser still oscillates at a single longitudinal mode, but with infrequent mode hops that occur at a rate of few hops per minute. Compared to the Watt-level single-frequency amplified sources, our approach is simpler and offers better noise performance.

© 2005 Optical Society of America

OCIS Codes
(060.2320) Fiber optics and optical communications : Fiber optics amplifiers and oscillators
(140.3510) Lasers and laser optics : Lasers, fiber
(140.3560) Lasers and laser optics : Lasers, ring
(140.3570) Lasers and laser optics : Lasers, single-mode

ToC Category:
Research Papers

Original Manuscript: March 14, 2005
Revised Manuscript: April 12, 2005
Published: April 18, 2005

Alexander Polynkin, Pavel Polynkin, Masud Mansuripur, and N. Peyghambarian, "Single-frequency fiber ring laser with 1W output power at 1.5 µm.," Opt. Express 13, 3179-3184 (2005)

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