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  • Received: Jun. 17, 2013

    Accepted: --

    Posted: Jan. 1, 2014

    Published Online: Dec. 25, 2013

    The Author Email: Lu Zhang (luzhang@sdu.edu.cn)

    DOI: 10.3788/aos201434.0106006

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    Zhang Lu. Low-Loss Lens-Coupling Technique on Photonic Crystal Fibers[J]. Acta Optica Sinica, 2014, 34(1): 106006

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  • Fiber Optics and Optical Communications
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Acta Optica Sinica, Vol. 34, Issue 1, 106006 (2014)

Low-Loss Lens-Coupling Technique on Photonic Crystal Fibers

Lu Zhang*

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  • [in Chinese]

Abstract

Based on the aligned lens transformation theory of Gaussian beam, a new lens-coupling method of photonic crystal fibers (PCFs) with low loss and high strength is put forward. Compared with the splicing method, this technique can eliminate the mode mismatch loss between two fibers, and is effective in connecting PCF with any other fibers, or connecting two fibers whose thermo-physical properties are so different that they cannot be spliced or jointed together. A PCF lens-coupling connection and test experimental platform is set up to achieve a 0.4 dB connection loss between endlessly single-mode PCF and G.652 fiber, and a 0.65 dB connection loss between polarization-maintaining PCF and G.652 fiber with good repeatability and high strength. Further error analyses, existed questions and improvements are given finally.

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