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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 23 — Nov. 5, 2012
  • pp: 25562–25571

Simple and reliable light launch from a conventional single-mode fiber into a helical-core fiber through an adiabatically tapered splice

Hyuntai Kim, Jongki Kim, Yongmin Jung, Luis Alonso Vazquez-Zuniga, Seung Jong Lee, Geunchang Choi, Kyunghwan Oh, Pu Wang, W. A. Clarkson, and Yoonchan Jeong  »View Author Affiliations


Optics Express, Vol. 20, Issue 23, pp. 25562-25571 (2012)
http://dx.doi.org/10.1364/OE.20.025562


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Abstract

We propose a simple and efficient light launch scheme for a helical-core fiber (HCF) by using an adiabatically tapered splice technique, through which we overcome its inherent difficulty with light launch owing to the large lateral offset and angular tilt of its core. We experimentally demonstrate single-mode excitation in the HCF in this configuration, which yields the coupling efficiency of around −5.9 dB (26%) for a ~1.1-μm light input when the splice joint is tapered down to 30 μm in diameter. To our knowledge, this is the first proof-of-principle report on the fusion-splice coupling between an HCF and a conventional single-mode fiber.

© 2012 OSA

OCIS Codes
(060.2340) Fiber optics and optical communications : Fiber optics components
(060.2430) Fiber optics and optical communications : Fibers, single-mode
(230.1150) Optical devices : All-optical devices
(060.3510) Fiber optics and optical communications : Lasers, fiber

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: August 28, 2012
Revised Manuscript: October 12, 2012
Manuscript Accepted: October 16, 2012
Published: October 25, 2012

Citation
Hyuntai Kim, Jongki Kim, Yongmin Jung, Luis Alonso Vazquez-Zuniga, Seung Jong Lee, Geunchang Choi, Kyunghwan Oh, Pu Wang, W. A. Clarkson, and Yoonchan Jeong, "Simple and reliable light launch from a conventional single-mode fiber into a helical-core fiber through an adiabatically tapered splice," Opt. Express 20, 25562-25571 (2012)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-20-23-25562


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