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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 5 — Mar. 2, 2009
  • pp: 3115–3123

Light beam coupling between standard single mode fibers and highly nonlinear photonic crystal fibers based on the fused biconical tapering technique

Jianguo Liu, Tee-Hiang Cheng, Yong-kee Yeo, Yixin Wang, Lifang Xue, Member, OSA, Zhaowen Xu, and Dawei Wang  »View Author Affiliations

Optics Express, Vol. 17, Issue 5, pp. 3115-3123 (2009)

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We propose and experimentally demonstrate light beam coupling between a single-mode fiber (SMF) and a highly nonlinear photonic crystal fiber (HN-PCF) based on the fused biconical tapering (FBT) technique. In our experiment, a standard SMF is pre-tapered to match its propagation constant to that of a HN-PCF. In order to remove the condensation in the air holes, the temperature is increased gradually to preheat the fibers. An appropriate level of hydrogen flow is administered to avoid the air-hole collapse. As a result, coupling ratio exceeding 90% between the SMF and HN-PCF is achieved. This technique avoids back Fresnel reflection, mode-field diameter (MFD) mismatch and fiber-core misalignment, bubble generation and air-hole collapse in the interface fusion splice.

© 2009 Optical Society of America

OCIS Codes
(060.1810) Fiber optics and optical communications : Buffers, couplers, routers, switches, and multiplexers
(060.2310) Fiber optics and optical communications : Fiber optics

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: September 23, 2008
Revised Manuscript: November 18, 2008
Manuscript Accepted: December 3, 2008
Published: February 17, 2009

Jianguo Liu, Tee-Hiang Cheng, Yong-kee Yeo, Yixin Wang, Lifang Xue, Zhaowen Xu, and Dawei Wang, "Light beam coupling between standard single mode fibers and highly nonlinear photonic crystal fibers based on the fused biconical tapering technique," Opt. Express 17, 3115-3123 (2009)

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