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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 22, Iss. 8 — Apr. 21, 2014
  • pp: 9206–9219

Single-mode chirally-coupled-core fibers with larger than 50µm diameter cores

Xiuquan Ma, Cheng Zhu, I-Ning Hu, Alex Kaplan, and Almantas Galvanauskas  »View Author Affiliations


Optics Express, Vol. 22, Issue 8, pp. 9206-9219 (2014)
http://dx.doi.org/10.1364/OE.22.009206


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Abstract

In this paper, we report an advance in increasing core size of effective single-mode chirally-coupled-core (CCC) Ge-doped and Yb-doped double-clad fibers into 55µm to 60µm range, and experimentally demonstrate their robust single-mode performance. Theoretical and numerical description of CCC fibers structures with multiple side cores and polygon-shaped central core is consistent with experimental results. Detailed experimental characterization of 55µm-core CCC fibers based on spatially and spectrally resolved broadband measurements (S2 technique) shows that modal performance of these large core fibers well exceeds that of standard 20μm core step-index large mode area fibers.

© 2014 Optical Society of America

OCIS Codes
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(140.0140) Lasers and laser optics : Lasers and laser optics

ToC Category:
Fiber Optics

History
Original Manuscript: February 14, 2014
Revised Manuscript: March 26, 2014
Manuscript Accepted: April 1, 2014
Published: April 8, 2014

Citation
Xiuquan Ma, Cheng Zhu, I-Ning Hu, Alex Kaplan, and Almantas Galvanauskas, "Single-mode chirally-coupled-core fibers with larger than 50µm diameter cores," Opt. Express 22, 9206-9219 (2014)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-22-8-9206


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