Canonical Angular Momentum of Electron, Positron and the Gamma Photon

Saglam, Ziya; Sağlam, M.

doi:10.4236/jmp.2016.71014

JMP

2016

DOI: 10.4236/jmp.2016.71014

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Canonical Angular Momentum of Electron, Positron and the Gamma Photon

Ziya Saglam¹,

M. Sağlam²

Abstract: We calculate the canonical angular momentum of a free electron, positron and gamma photon. We show that for any particle with charge q the canonical angular momentum ( )

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2020

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Single Photon Orbital Angular Momentum Transfer Based on Information Processing Technology

Lin

Wang

Yao

2020

J. Phys.: Conf. Ser.

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The orbital angular momentum state (OAM) of the photon can be theoretically evaluated from minus infinity to infinity, and the different orbital angular momentum states are orthogonal to each other. Therefore, in recent years, it has attracted wide attention from the academic circle and the industry. The purpose of this paper is to study the characteristics of single photon orbital angular momentum transfer based on information processing technology and to provide Suggestions for its technical optimization. Based on the characteristics of the angular momentum state of photon orbit, this paper studies its application and related problems in information processing and transmission. In this paper, quantum multiuser communication technology is studied, and a multiuser communication scheme based on photon orbital angular momentum state is proposed. The scheme takes advantage of the orthogonality of different orbital angular momentum states of the photon and assumes that the sender and receiver share a pair of entangled orbital angular momentum states. On this basis, the spatial light modulator is used to modulate it to the entangled photon of the sender, so that the sending photon carries all the user’s information at the same time. Finally, the receiver accurately extracts the information of each sender by measuring the coincidence count and according to the specific receiving rules. Numerical simulation and experimental results show that the coincidence rate of different coding schemes is between 0 and 0.66, which proves the feasibility of the scheme.

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Single Photon Orbital Angular Momentum Transfer Based on Information Processing Technology

Lin

Wang

Yao

2020

J. Phys.: Conf. Ser.

View full text Add to dashboard Cite

show abstract

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Canonical Angular Momentum of Electron, Positron and the Gamma Photon

Abstract: We calculate the canonical angular momentum of a free electron, positron and gamma photon. We show that for any particle with charge q the canonical angular momentum ( )

Cited by 1 publication

References 3 publications

Single Photon Orbital Angular Momentum Transfer Based on Information Processing Technology

Single Photon Orbital Angular Momentum Transfer Based on Information Processing Technology

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