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Photonic lantern broadband orbital angular momentum mode multiplexer
2018
Optics Express
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Here, via novel design of an optical fiber device referred to as a photonic lantern, where the radial mode index ("m") is neglected, for the first time we demonstrate the simultaneous generation and multiplexing ...
While canonical methods of OAM mode generation are effective, a method that can simultaneously generate and multiplex OAM modes with low loss and over broad spectral range is still in great demand. ...
The slight variations between the calculated and measured modes are a product of the small geometry deformation of the final fabricated core at the multimode end of the OAM photonic lantern. ...
doi:10.1364/oe.26.030042
fatcat:t5zlpojjnbh3rmwomjyjmkdw5q
Mode-Selective Photonic Lanterns for Orbital Angular Momentum Mode Division Multiplexing
2019
Applied Sciences
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As a result, we design a three-mode orbital angular momentum (OAM) mode-selective photonic lantern by optimizing the taper length with mode crosstalk below −24 dB, which employs only one single mode fiber ...
We analyze the mode evolution in mode-selective photonic lanterns with respect to taper lengths, affected by possible mode phase differences varying along the taper. ...
In [11] , an OAM mode multiplexer using an annular core mode-selective photonic lantern (MSPL) is proposed. ...
doi:10.3390/app9112233
fatcat:lc5emw6cpvgu5n6l5o3ri5jtte
Recent Advances in Generation and Detection of Orbital Angular Momentum Optical Beams—A Review
2021
Sensors
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These methods include the practice of diffractive optics elements (DOEs), metasurfaces (MSs), and photonic integrated circuits (PICs) for the production of in-plane and out-of-plane OAM. ...
Furthermore, development in the OAM detection techniques has also been presented. ...
On the millimeter scale, the second category of fiber-based systems, such as fiber gratings [42] , chirally coupled core fibers [43] , and photonic lanterns [44] , seem to provide more promising solutions ...
doi:10.3390/s21154988
fatcat:lkjvrrazsnfnfh6o33tcsm6tu4
Mode division multiplexing: from photonic integration to optical fiber transmission [Invited]
2021
Chinese Optics Letters (COL)
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To overcome the capacity crunch of optical communications based on the traditional single-mode fiber (SMF), different modes in a few-mode fiber (FMF) can be employed for mode division multiplexing (MDM ...
design, MDM Si photonic devices, and so on. ...
For a traditional photonics lantern, each SMF in the bundle is identical, and the photonic lantern is not mode selective. ...
doi:10.3788/col202119.091301
fatcat:yr6ci3kh5na53nk2xfbva43xou
Self-testing mutually unbiased bases in higher dimensions with space-division multiplexing optical fiber technology
[article]
2020
arXiv
pre-print
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Since MUBs lie at the core of several quantum information protocols, our results are of practical interest for future quantum works relying on space-division multiplexing optical fibers. ...
Due to the high-overlap of the interferometer's optical modes achieved with this technology, we are able to reach the required visibilities for self-testing the implementation of two four-dimensional MUBs ...
For FMFs, DEMUXs called photonic lanterns are used [46] . For RCFs these devices are called mode sorters. ...
arXiv:2006.06784v1
fatcat:klbpldcjlngo5gvbuqms5yvneq
Structured Light in Turbulence
2021
IEEE Journal of Selected Topics in Quantum Electronics
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Here we review recent progress in structured light in turbulence, first with a tutorial style summary of the core concepts, before highlighting the present state-of-the-art in the field. ...
our review with new experimental studies that reveal which types of structured light are best in turbulence, the behaviour of vector versus scalar light in turbulence, the trade-off of diversity and multiplexing ...
Photonic lantern and multi-plane light conversion approaches are also effective but to date are mostly used in fibre [58] [59] [60] [61] . ...
doi:10.1109/jstqe.2020.3023790
fatcat:zfzqf3bonfchdfirspsme4bvga
2020 Index IEEE Photonics Technology Letters Vol. 32
2020
IEEE Photonics Technology Letters
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Using Air-Clad Photonic Lanterns. ...
., +, LPT April 1, 2020 387-390 MDM Transmission Using Air-Clad Photonic Lanterns. ...
doi:10.1109/lpt.2020.3046372
fatcat:77defq6w55agnft6fst2jfl5g4
Dispersion engineered air-clad SiGe waveguides with low propagation loss in the mid-infrared
2017
2017 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC)
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slow-light e ect and coupling, induced by gain, between photonic crystal waveguide Bloch modes. ...
Here we introduce the concept of quantum multiplexing which encodes multiple qubits of information onto a photon to overcome scarce resource issues. ...
Spain In this work, we report on the use of a photonic lantern for multiplexing ber Fabry-Perot interferometric sensors, hence to monitor multiple parameters. e interferometers must have proper cavity ...
doi:10.1109/cleoe-eqec.2017.8086482
fatcat:3h3thmltvnchlhrmbhpnsjj3my
Measuring Temperature with Atoms and Molecules
2018
Conference on Lasers and Electro-Optics
unpublished
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OAM modes are excited, multiplexed and demultiplexed by commercial SFP+ transceivers and mode selective couplers. ...
We use bidirectional OTDR technique to measure effective areas of two LP modes at four discrete wavelengths in cascaded few-mode fibers, with the help of mode-selective photonic lanterns, and calculate ...
doi:10.1364/cleo_si.2018.stu3p.3
fatcat:2aon5ltmpfafpmsux5nywbr754
Fast Tunable Terahertz Absorber Based on a MEMS-driven Metamaterial
2017
Conference on Lasers and Electro-Optics
unpublished
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We demonstrate an athermally synchronized distributed feedback laser cascaded with microring filters on a silicon photonic platform, with >10dB extinction ratio and a synchronized wavelength shift of 0.02 ...
We demonstrate MIMO-free two-dimensional multiplexing, transmission and de-multiplexing over 4 OAM modes (including two modes of |l| = 2) and 15 wavelengths through 100-meter inverse-parabolic graded-index ...
Multi-
mode interference waveguides are used to
implement simultaneous spectral and spatial
multiplex fluorescence analysis in liquid-core
waveguide channels. ...
doi:10.1364/cleo_qels.2017.fm1g.5
fatcat:optnllbc4vhfffpv6agyokdjae