Quantum few-mode fiber communications based on the orbital angular momentum

Changyu Lin; Ivan B. Djordjevic; Milorad Cvijetic

doi:10.1109/LPT.2012.2224858

Quantum few-mode fiber communications based on the orbital angular momentum

Changyu Lin, Ivan B. Djordjevic, Milorad Cvijetic

Research output: Contribution to journal › Article › peer-review

14 Scopus citations

Abstract

We study a quantum few-mode fiber (FMF) communication scheme based on orbital angular momentum (OAM) modes and applied quantum information theory to develop the quantum FMF channel model and to calculate the quantum channel capacity. We assume a strong mode-coupling regime in FMF and an imperfect generation of OAM modes. The quantum FMF channel is modeled as a concatenation of many fiber sections describing the OAM eigenkets transitions as a Markov chain. The proposed model is suitable for the study of the multidimensional quantum key distribution and teleportation over FMFs. Numerical simulations are performed to demonstrate the ability of the model to determine the FMF output density state for a given input density state. It is shown that FMF quantum channel capacity decreases with distance in a strong coupling regime if OAM basekets are imperfectly generated.

Original language	English (US)
Article number	6330985
Pages (from-to)	3-6
Number of pages	4
Journal	IEEE Photonics Technology Letters
Volume	25
Issue number	1
DOIs	https://doi.org/10.1109/LPT.2012.2224858
State	Published - 2013

Keywords

Few-mode fiber
orbital angular momentum (OAM)
quantum channel capacity
quantum key distribution

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Atomic and Molecular Physics, and Optics
Electrical and Electronic Engineering

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10.1109/LPT.2012.2224858

Cite this

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abstract = "We study a quantum few-mode fiber (FMF) communication scheme based on orbital angular momentum (OAM) modes and applied quantum information theory to develop the quantum FMF channel model and to calculate the quantum channel capacity. We assume a strong mode-coupling regime in FMF and an imperfect generation of OAM modes. The quantum FMF channel is modeled as a concatenation of many fiber sections describing the OAM eigenkets transitions as a Markov chain. The proposed model is suitable for the study of the multidimensional quantum key distribution and teleportation over FMFs. Numerical simulations are performed to demonstrate the ability of the model to determine the FMF output density state for a given input density state. It is shown that FMF quantum channel capacity decreases with distance in a strong coupling regime if OAM basekets are imperfectly generated.",

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AU - Cvijetic, Milorad

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AB - We study a quantum few-mode fiber (FMF) communication scheme based on orbital angular momentum (OAM) modes and applied quantum information theory to develop the quantum FMF channel model and to calculate the quantum channel capacity. We assume a strong mode-coupling regime in FMF and an imperfect generation of OAM modes. The quantum FMF channel is modeled as a concatenation of many fiber sections describing the OAM eigenkets transitions as a Markov chain. The proposed model is suitable for the study of the multidimensional quantum key distribution and teleportation over FMFs. Numerical simulations are performed to demonstrate the ability of the model to determine the FMF output density state for a given input density state. It is shown that FMF quantum channel capacity decreases with distance in a strong coupling regime if OAM basekets are imperfectly generated.

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Quantum few-mode fiber communications based on the orbital angular momentum

Abstract

Keywords

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