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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 33, Iss. 9 — May. 1, 2008
  • pp: 908–910

Single-transverse-mode output from a fiber laser based on multimode interference

X. Zhu, A. Schülzgen, H. Li, L. Li, Q. Wang, S. Suzuki, V. L. Temyanko, J. V. Moloney, and N. Peyghambarian  »View Author Affiliations


Optics Letters, Vol. 33, Issue 9, pp. 908-910 (2008)
http://dx.doi.org/10.1364/OL.33.000908


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Abstract

An alternative original approach to achieve single-transverse-mode laser emissions from multimode (MM) active fibers is demonstrated. The fiber cavity is constructed by simply splicing a conventional passive single-mode fiber (SMF-28) onto a few centimeters-long active MM fiber section whose length is precisely controlled. Owing to the self-imaging property of multimode interference (MMI) in the MM fiber, diffraction-limited laser output is obtained from the end of the SMF-28, and the MMI fiber laser is nearly as efficient as the corresponding MM fiber laser. Moreover, because of the spectral filtering effect during in-phase MMI, the bandwidth of the MMI fiber laser is below 0.5 nm .

© 2008 Optical Society of America

OCIS Codes
(060.2320) Fiber optics and optical communications : Fiber optics amplifiers and oscillators
(140.3500) Lasers and laser optics : Lasers, erbium
(140.3510) Lasers and laser optics : Lasers, fiber
(060.3510) Fiber optics and optical communications : Lasers, fiber

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: January 7, 2008
Revised Manuscript: March 12, 2008
Manuscript Accepted: March 14, 2008
Published: April 22, 2008

Citation
X. Zhu, A. Schülzgen, H. Li, L. Li, Q. Wang, S. Suzuki, V. L. Temyanko, J. V. Moloney, and N. Peyghambarian, "Single-transverse-mode output from a fiber laser based on multimode interference," Opt. Lett. 33, 908-910 (2008)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-33-9-908

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