Ultra-low-loss tapered optical fibers with minimal lengths

Ryutaro Nagai; Takao Aoki

doi:10.1364/OE.22.028427

Ultra-low-loss tapered optical fibers with minimal lengths

Ryutaro Nagai, Takao Aoki

School of Advanced Science and Engineering

Research output: Contribution to journal › Article › peer-review

34 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 language	English
Pages (from-to)	28427-28436
Number of pages	10
Journal	Optics Express
Volume	22
Issue number	23
DOIs	https://doi.org/10.1364/OE.22.028427
Publication status	Published - 2014 Nov 17

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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title = "Ultra-low-loss tapered optical fibers with minimal lengths",

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.",

author = "Ryutaro Nagai and Takao Aoki",

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Ultra-low-loss tapered optical fibers with minimal lengths

Abstract

ASJC Scopus subject areas

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