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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 33, Iss. 1 — Jan. 1, 2008
  • pp: 61–63

Mechanism of mode coupling in multicore fiber lasers

A. S. Kurkov, S. A. Babin, I. A. Lobach, and S. I. Kablukov  »View Author Affiliations

Optics Letters, Vol. 33, Issue 1, pp. 61-63 (2008)

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We present what is believed to be the first experimental demonstration of a new mechanism of mode coupling in multicore fibers (MCFs) based on their indirect interaction inside the fiber via intermediate mode, analogous to the Bragg mode, which is very sensitive to bending of the fiber. Very strong coupling between the core modes regardless of large spacing ( 28 μ m ) between them has been demonstrated in the MCF laser as well as in the probe beam schemes. 70% of power conversion from one core to another with beating length of tens of centimeters in 4-core MCF is measured.

© 2008 Optical Society of America

OCIS Codes
(060.1810) Fiber optics and optical communications : Buffers, couplers, routers, switches, and multiplexers
(060.2340) Fiber optics and optical communications : Fiber optics components
(140.3290) Lasers and laser optics : Laser arrays
(140.3510) Lasers and laser optics : Lasers, fiber

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: June 20, 2007
Revised Manuscript: November 23, 2007
Manuscript Accepted: November 29, 2007
Published: December 20, 2007

A. S. Kurkov, S. A. Babin, I. A. Lobach, and S. I. Kablukov, "Mechanism of mode coupling in multicore fiber lasers," Opt. Lett. 33, 61-63 (2008)

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