Theoretical and experimental study of macrobending losses in coated single-mode fibers
Sign Up to like & getrecommendations! Published in 2017 at "Optical Engineering"
DOI: 10.1117/1.oe.56.6.066102
Abstract: Abstract. A macrobending loss formula for single-mode fibers, which is shown to accurately predict the bend loss of a single-mode fiber with complex or real refractive index coating, is presented. Theoretical simulations and experimental measurements… read more here.
Keywords: mode; bend loss; mode fibers; fiber ... See more keywords
Coupling condition analysis of Bessel–Gaussian beam to few mode fibers
Sign Up to like & getrecommendations! Published in 2023 at "Modern Physics Letters B"
DOI: 10.1142/s0217984923500549
Abstract: In this paper, the theoretical model of the coupling efficiency of BG beams to few-mode fibers (FMFs) in the case of perfect alignment, lateral or vertical offsets, and random angular jitter is investigated and compared… read more here.
Keywords: beam; coupling efficiency; mode fibers; coupling condition ... See more keywords
Cascaded single-mode fibers for higher-order soliton compression at 2 µm.
Sign Up to like & getrecommendations! Published in 2020 at "Applied optics"
DOI: 10.1364/ao.385682
Abstract: We present the design of single-mode fibers for two-stage higher-order soliton compression at 2 µm wavelength and achieve high-degree pulse compression in cascaded single-mode fibers. The compression performance for the initial input pulse width from… read more here.
Keywords: compression; order soliton; mode fibers; single mode ... See more keywords
Molded high curvature core-aligned micro-lenses for single-mode fibers.
Sign Up to like & getrecommendations! Published in 2022 at "Applied optics"
DOI: 10.1364/ao.462961
Abstract: A polymer-based fiber micro-lens molding fabrication technique with, to our knowledge, unprecedented performances is presented along with its advantages and applications. This technique is a fast and affordable tool to achieve a wide variety of… read more here.
Keywords: single mode; micro lenses; micro; mode fibers ... See more keywords
Highly sensitive detection of microbending in single-mode fibers and its applications.
Sign Up to like & getrecommendations! Published in 2017 at "Optics express"
DOI: 10.1364/oe.25.005742
Abstract: This paper investigates the applicability of 1-μm-band mode-detection optical time domain reflectometry (OTDR), which detects microbending in single-mode fibers with high sensitivity by conducting measurements in the two-mode region of the fibers under test and… read more here.
Keywords: microbending single; detection; mode; mode fibers ... See more keywords
Long-period fiber gratings inscribed in few-mode fibers for discriminative determination.
Sign Up to like & getrecommendations! Published in 2019 at "Optics express"
DOI: 10.1364/oe.27.026307
Abstract: We successfully fabricated the long-period fiber gratings in few-mode fibers (FMF-LPFGs) with micro-tapered method, which are different from the traditional LPFGs that only couple the fundamental mode to different cladding modes to obtain multiple resonant… read more here.
Keywords: discriminative determination; mode; fiber gratings; mode fibers ... See more keywords
Space-division multiplexed transmission in the S-band over 55 km few-mode fibers.
Sign Up to like & getrecommendations! Published in 2020 at "Optics express"
DOI: 10.1364/oe.399791
Abstract: Transmission of highly spectral efficient 24.5 GBaud quadrature phase shift keying and 16- and 64-quadrature amplitude modulated signals in the S-band between 1492 nm and 1518 nm wavelength is demonstrated over 55 km few-mode fibers.… read more here.
Keywords: mode; division multiplexed; transmission; mode fibers ... See more keywords
M2 factor estimation in few-mode fibers based on a shallow neural network.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.462170
Abstract: A high-accuracy, high-speed, and low-cost M2 factor estimation method for few-mode fibers based on a shallow neural network is presented in this work. Benefiting from the dimensionality reduction technique, which transforms the two-dimension near-field image… read more here.
Keywords: estimation; neural network; mode fibers; factor estimation ... See more keywords
Coupling light emission of single-photon sources into single-mode fibers: mode matching, coupling efficiencies, and thermo-optical effects.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.465101
Abstract: We discuss the coupling efficiency of single-photon sources into single-mode fibers using 3D printed micro-optical lens designs. Using the wave propagation method, we optimize lens systems for two different quantum light sources and assess the… read more here.
Keywords: sources single; single mode; photon sources; single photon ... See more keywords
Bending effect characterization of individual higher-order modes in few-mode fibers.
Sign Up to like & getrecommendations! Published in 2017 at "Optics letters"
DOI: 10.1364/ol.42.003343
Abstract: We propose an approach to directly measure the bending effect on individual modes in few-mode fibers using a wavelength-scanning spatially and spectrally resolved imaging technique. By collecting a fiber output beam profile with a scanning… read more here.
Keywords: order modes; mode fibers; bending effect; modes mode ... See more keywords
Improvement on refractive index sensing by exploiting the tapered two-mode fibers
Sign Up to like & getrecommendations! Published in 2019 at "Chinese Optics Letters"
DOI: 10.3788/col201917.110604
Abstract: The spectral characteristics and sensitivities of a tapered two-mode fiber sandwiched between two single-mode fibers are systematically investigated. Theoretical calculations reveal that a dispersion turning point (DTP) appears when the group effective refractive index (RI)… read more here.
Keywords: mode; two mode; mode fibers; tapered two ... See more keywords