Proceedings ArticleDOI
Design of octagonal core micro-cladding leakage channel fiber with low bending loss
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TLDR
In this article, a large mode area (LMA) micro-cladding leakage channel fiber (LCF) with an octagonal shaped core for 1.064 μm wavelength is proposed.Abstract:
We design a large mode area (LMA) micro-cladding leakage channel fiber (LCF) with an octagonal shaped core for 1.064 μm wavelength. Our numerical simulation shows that very low bending loss at small bend radius can be achieved by scaling up the micro-cladding elements of LCF. Further, the proposed fiber exhibits novel properties such as large effective area (1287 μm2) and very low bending loss of 5.58 × 10−3 dB/m for a bending radius of 5 cm. These interesting properties of the proposed LCF pave the way for developing a compact high power fiber laser and amplifier.read more
References
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Journal ArticleDOI
Endlessly single-mode photonic crystal fiber.
TL;DR: An effective-index model confirms that an all-silica optical fiber made by embedding a central core in a two-dimensional photonic crystal with a micrometer-spaced hexagonal array of air holes can be single mode for any wavelength.
Journal ArticleDOI
Improved Bend Loss Formula Verified for Optical Fiber by Simulation and Experiment
R.T. Schermer,J. H. Cole +1 more
TL;DR: In this article, an improved curvature loss formula for optical waveguides is presented, which is shown to accurately predict the bend loss of both single-mode and multimode fibers.
Journal ArticleDOI
Leakage channel optical fibers with large effective area
Liang Dong,Xiang Peng,Jun Li +2 more
TL;DR: In this paper, a leakage channel fiber is designed to create large leakage loss for higher-order modes, while maintaining negligible transmission loss for the fundamental mode, which can be used for designing optical fibers with large effective area, which supports robust fundamental mode propagation.
Journal ArticleDOI
Single-mode chirally-coupled-core fibers with larger than 50µm diameter cores
TL;DR: Experimental characterization of 55 µm-core CCC fibers based on spatially and spectrally resolved broadband measurements (S(2) technique) shows that modal performance of these large core fibers well exceeds that of standard 20 μm core step-index large mode area fibers.
Journal ArticleDOI
All-Glass Large-Core Leakage Channel Fibers
TL;DR: Leakage channel fibers (LCF) have demonstrated their ability to significantly extend the effective mode area of a fundamental mode while maintaining robust single-mode operation as discussed by the authors, and have been designed to have strong built-in mode filtering that effectively suppresses the propagation of all higher order modes while keeping fundamental-mode loss to a minimum, and, therefore, effectively extending the regime of single mode operation.