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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 51, Iss. 29 — Oct. 10, 2012
  • pp: 7025–7038

Principles and performance of tapered fiber lasers: from uniform to flared geometry

Juho Kerttula, Valery Filippov, Yuri Chamorovskii, Vasily Ustimchik, Konstantin Golant, and Oleg G. Okhotnikov  »View Author Affiliations


Applied Optics, Vol. 51, Issue 29, pp. 7025-7038 (2012)
http://dx.doi.org/10.1364/AO.51.007025


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Abstract

We have studied the recently demonstrated concept of fiber lasers based on active tapered double-clad fiber (T-DCF) in copropagating and counterpropagating configurations, both theoretically and experimentally, and compared the performance to fiber lasers based on conventional cylindrical fibers in end-pumped configurations. Specific properties of T-DCFs were considered theoretically using a rate-equation model developed for tapered fibers, and a detailed comparative study was carried out experimentally. Furthermore, we have studied mode coupling effects in long adiabatic tapers due to coiling and local bending. The results allow us to conclude that, with proper fiber design, the T-DCF technology offers a high-potential alternative for bright, cost-effective fiber devices.

© 2012 Optical Society of America

OCIS Codes
(060.2280) Fiber optics and optical communications : Fiber design and fabrication
(060.2320) Fiber optics and optical communications : Fiber optics amplifiers and oscillators
(060.3510) Fiber optics and optical communications : Lasers, fiber

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: July 5, 2012
Manuscript Accepted: August 21, 2012
Published: October 8, 2012

Citation
Juho Kerttula, Valery Filippov, Yuri Chamorovskii, Vasily Ustimchik, Konstantin Golant, and Oleg G. Okhotnikov, "Principles and performance of tapered fiber lasers: from uniform to flared geometry," Appl. Opt. 51, 7025-7038 (2012)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-51-29-7025

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