Title

Monolithic Fiber Lasers Combining Active Pcf With Bragg Gratings In Conventional Single-Mode Fibers

Keywords

Optical fiber devices; optical fiber lasers

Abstract

Novel monolithic fiber laser architectures utilizing large mode area (LMA) photonic crystal fiber (PCF) and fiber Bragg gratings (FBG) in conventional single-mode fibers (SMF) are presented. The main challenge is to address high cavity losses arising from the intrinsic 18-fold mode-field mismatch between the SMF and the active LMA PCF. Employing an all-fiber, robust and reproducible mode-field matching approach based on graded-index multimode fibers, we numerically and experimentally demonstrate that the SMF-to-LMA PCF coupling can be more than three-fold improved. This MFA approach is further implemented in monolithic fiber laser cavities combining FBGs in SMF and active LMA PCF. We demonstrate that cavity losses can be significantly mitigated when using appropriate MFAs resulting in a substantial increase of the laser output performances.

Publication Date

9-1-2014

Publication Title

IEEE Journal on Selected Topics in Quantum Electronics

Volume

20

Issue

5

Number of Pages

-

Document Type

Article

Personal Identifier

scopus

DOI Link

https://doi.org/10.1109/JSTQE.2013.2296745

Socpus ID

84929496779 (Scopus)

Source API URL

https://api.elsevier.com/content/abstract/scopus_id/84929496779

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