Ultra-low-loss tapered optical fibers with minimal lengths

Ryutaro Nagai, Takao Aoki

    Research output: Contribution to journal › Article

    24 Citations (Scopus)

    Abstract

    We design and fabricate ultra-low-loss tapered optical fibers (TOFs) with minimal lengths. We first optimize variations of the torch scan length using the flame-brush method for fabricating TOFs with taper angles that satisfy the adiabaticity criteria. We accordingly fabricate TOFs with optimal shapes and compare their transmission to TOFs with a constant taper angle and TOFs with an exponential shape. The highest transmission measured for TOFs with an optimal shape is in excess of 99.7% with a total TOF length of only 23mm, whereas TOFs with a constant taper angle of 2mrad reach 99.6% transmission for a 63mm TOF length.

    Original languageEnglish
    Pages (from-to)28427-28436
    Number of pages10
    JournalOptics Express
    Volume22
    Issue number23
    DOIs
    Publication statusPublished - 2014 Nov 17

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    optical fibers
    tapering
    torches
    brushes
    flames

    ASJC Scopus subject areas

    • Atomic and Molecular Physics, and Optics

    Cite this

    Ultra-low-loss tapered optical fibers with minimal lengths. / Nagai, Ryutaro; Aoki, Takao.

    In: Optics Express, Vol. 22, No. 23, 17.11.2014, p. 28427-28436.

    Research output: Contribution to journal › Article

    Nagai, R & Aoki, T 2014, 'Ultra-low-loss tapered optical fibers with minimal lengths', Optics Express, vol. 22, no. 23, pp. 28427-28436. https://doi.org/10.1364/OE.22.028427
    Nagai R, Aoki T. Ultra-low-loss tapered optical fibers with minimal lengths. Optics Express. 2014 Nov 17;22(23):28427-28436. https://doi.org/10.1364/OE.22.028427
    Nagai, Ryutaro ; Aoki, Takao. / Ultra-low-loss tapered optical fibers with minimal lengths. In: Optics Express. 2014 ; Vol. 22, No. 23. pp. 28427-28436.
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