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Open AccessJournal ArticleDOI

All-fiber mode-group-selective photonic lantern using graded-index multimode fibers.

TLDR
The use of the multimode graded-index fibers in the taper can significantly relax the adiabaticity requirement in comparison with using single-mode fibers.
Abstract
We demonstrate the first all-fiber mode-group-selective photonic lantern using multimode graded-index fibers. Mode selectivity for mode groups LP01, LP11 and LP21+LP02 is 20-dB, 10-dB and 7-dB respectively. The insertion loss when butt coupled to multimode graded-index fiber is below 0.6-dB. The use of the multimode graded-index fibers in the taper can significantly reduce the adiabaticity requirement.

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Citations
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Journal ArticleDOI

The photonic lantern

TL;DR: In this article, the authors propose a low-loss interface between single-mode and multimode systems, where the precise optical mapping between cores and individual modes is unimportant, by merging several singlemode cores into one multimode core.
Patent

Multi-core fiber

TL;DR: In this article, a multi-core fiber is formed of two types of cores and in which an effective refractive index difference in a fundamental mode is 0.002 or less in a predetermined range or more.
Journal ArticleDOI

Survey of Photonic Switching Architectures and Technologies In Support Of Spatially and Spectrally Flexible Optical Networking {[}Invited]

TL;DR: This tutorial paper surveys the photonic switching hardware solutions in support of evolving optical networking solutions enabling capacity expansion based on the proposed approaches and presents the first cost comparisons, to the knowledge, of the different approaches in an effort to quantify such tradeoffs.
Journal ArticleDOI

Six mode selective fiber optic spatial multiplexer.

TL;DR: Low-loss all-fiber photonic lantern (PL) mode multiplexers capable of selectively exciting the first six fiber modes of a multimode fiber and the use of graded index fibers in a PL eases the length requirements of the adiabatic tapered transition and could enable scaling to large numbers are demonstrated.
References
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Journal ArticleDOI

Space-division multiplexing in optical fibres

TL;DR: In this paper, the authors summarized the simultaneous transmission of several independent spatial channels of light along optical fibres to expand the data-carrying capacity of optical communications, and showed that the results achieved in both multicore and multimode optical fibers are documented.
Journal ArticleDOI

Capacity Limits of Optical Fiber Networks

TL;DR: In this article, the capacity limit of fiber-optic communication systems (or fiber channels?) is estimated based on information theory and the relationship between the commonly used signal to noise ratio and the optical signal-to-noise ratio is discussed.
Journal ArticleDOI

Mode-Division Multiplexing Over 96 km of Few-Mode Fiber Using Coherent 6 $\,\times\,$ 6 MIMO Processing

TL;DR: In this article, simultaneous transmission of six spatial and polarization modes, each carrying 40 Gb/s quadrature-phase-shift-keyed channels over 96 km of a low-differential group delay few-mode fiber, is reported.
Journal ArticleDOI

Mode-selective photonic lanterns for space-division multiplexing

TL;DR: A 3x1 fiber-based photonic lantern spatial-multiplexer with mode-selectivity greater than 6 dB and transmission loss of less than 0.3 dB is demonstrated, which are to the authors' knowledge the lowest insertion and mode-dependent loss devices.
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