Mode-Selective Photonic Lanterns for Orbital Angular Momentum Mode Division Multiplexing

Li, Yan; Li, Yang; Feng, Lipeng; Yang, Chen; Li, Wei; Qiu, Jifang; Hong, Xiaobin; Zuo, Yong; Guo, Hongxiang; Tong, Weijun; Wu, Jian

doi:10.3390/app9112233

Cited by 12 publications

(11 citation statements)

References 17 publications

(19 reference statements)

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“…FMFs on the other hand show no such drift, since the modes propagate in the same core (See Supplemental material), showing they may be ideal for this application. Other recently demonstrated lanterns have had losses as low as 0.7 dB for a 6-mode lantern [44], with recent simulations point- ing out that lanterns of much lower losses (0.1 dB) could be reached [38], further demonstrating the attractiveness of our scheme over time-bin encoding for quantum communication.…”

supporting

confidence: 53%

“…The states |OAM ± are associated to the well known Laguerre-Gaussian beams carrying orbital angular momentum (OAM) [38]. Figure 2a shows the theoretical transverse intensity profiles of the |LP 11a and |LP 11b modes as well as experimental results in the back-toback case and after 500 m of propagation, obtained with a linear polariser and an infrared CCD camera placed after the FMF link.…”

mentioning

confidence: 99%

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Few-Mode-Fiber Technology Fine-tunes Losses in Quantum Communication Systems

et al. 2021

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A natural choice for quantum communication is to use the relative phase between two paths of a single-photon for information encoding. This method was nevertheless quickly identified as impractical for fibre-based communication due to the requirement of a long stabilised interferometer to connect the communicating parties. A modification based on single-photon time-bins has then become widely adopted, with its practicability relying on trading the long interferometer for two shorter local ones. It however, introduces a fundamental loss, which increases with the dimension and that limits its application over long distances. Here, we are able to solve this long-standing hurdle by employing a few-mode fibre space-division multiplexing platform working with orbital angular momentum modes. In our scheme, we maintain the practicability provided by two short interferometers, while the quantum states are transmitted through a few-mode fibre in a configuration that does not require temporal post-selection, thus enabling a detection system without irreversible losses. Our solution can be instantly deployed opening up new paths for the already commercial phase-coding quantum communication systems.

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supporting

confidence: 53%

mentioning

confidence: 99%

Few-Mode-Fiber Technology Fine-tunes Losses in Quantum Communication Systems

et al. 2021

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“…The fused coupler technique is employed in making mode-selective photonic lanterns (MSPLs) exciting five OAM modes in a ring core fiber with a bandwidth of 500 nm (1000 to 1500 nm). 143 More recently, Li et al 144 have reported on the simulation of MSPL for three OAM modes with a modal cross talk of less than −24 dB. Such results help in highlighting the immense potential of the mode-selective fused fiber coupler approach for the generation of desired OAM modes.…”

Section: Hybrid Approachmentioning

confidence: 93%

Generation and decomposition of scalar and vector modes carrying orbital angular momentum: a review

et al. 2019

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Orbital angular momentum (OAM), one of the most recently discovered degrees of freedom of light beam field has fundamentally revolutionized optical physics and its technological capabilities. Optical beams with OAM have enabled a large variety of applications, including super-resolution imaging, optical trapping, classical and quantum optical communication, and quantum computing, to mention a few. To enable these and several other emerging applications, optical beams with OAM have been generated using a variety of methods and technologies, such as a simple astigmatic lens pair, one-/two-dimensional holographic optical elements, threedimensional spiral phase plates, optical fibers, and recent entrants such as metasurfaces. All these techniques achieve spatial light modulation and can be implemented with either passive elements or active devices, such as liquid crystal on silicon and digital micromirror devices. Many of these devices and technologies are not only used for the generation of amplitude phase-polarization structured light beams but are also capable of analyzing them. We have attempted to encompass a wide variety of such technologies as well as a few emerging methodologies, broadly categorized into generation and detection protocols. We address the needs of scientists and engineers who desire to generate/detect OAM modes and are looking for the technique (active or passive) best suited for their application. © The Authors. Published by SPIE under a Creative Commons Attribution 4.0 Unported License. Distribution or reproduction of this work in whole or in part requires full attribution of the original publication, including its DOI.

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“…The single-mode LO beam is split into N equal parts by a fiber beam splitter (FBS). Each single-mode 1 There are two types of PLs [26], [27]: mode-selective PL [28], [29] and non-mode-selective PL [20]- [23]. In a mode-selective PL, the single-mode cores are designed for transmitting light with different electromagnetic wave modes.…”

Section: Smf Receiver Mmf Receivermentioning

confidence: 99%

Free-Space Optical Communication Using Non-mode-Selective Photonic Lantern Based Coherent Receiver

Zhang

Yuan

Sun

et al. 2020

Preprint

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A coherent free-space optical communication system based on non-mode-selective photonic lantern is studied. Based on simulation of photon distribution, the power distribution at single-mode fiber end of the photonic lantern is quantitatively described as a truncated Gaussian distribution over a simplex. The signal-to-noise and the outage probability are analyzed for the communication system using photonic lantern based receiver with equal-gain combining, and they are compared with those of the single-mode fiber receiver and multimode fiber receiver. The scope of application of the communication system is provided. It is shown that the signal-to-noise ratio gain of the photonic lantern based receiver over singlemode fiber receiver and multimode fiber receiver can be greater than 7 dB. The integral solution, series lower bound solution and asymptotic solution are presented for bit-error rate of photonic lantern based receiver, single-mode fiber receiver and multimode fiber receiver over the Gamma-Gamma atmosphere turbulence channels. Simulation results show that for the considered system the power distribution of the photonic lantern has limited influence on the outage probability and the bit-error rate performance.

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Mode-Selective Photonic Lanterns for Orbital Angular Momentum Mode Division Multiplexing

Cited by 12 publications

References 17 publications

Few-Mode-Fiber Technology Fine-tunes Losses in Quantum Communication Systems

Few-Mode-Fiber Technology Fine-tunes Losses in Quantum Communication Systems

Generation and decomposition of scalar and vector modes carrying orbital angular momentum: a review

Free-Space Optical Communication Using Non-mode-Selective Photonic Lantern Based Coherent Receiver

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