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Luda, M.A.; Larotonda, M.A.; Paz, J.P.; Schmiegelow, C.T. "Manipulating transverse modes of photons for quantum cryptography" (2014) Physical Review A - Atomic, Molecular, and Optical Physics. 89(4)
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Abstract:

Several schemes have been proposed to extend quantum key distribution protocols aimed at improving their security or at providing new physical substrates for qubit implementation. We present a toolbox to jointly create, manipulate, and measure qubits stored in polarization and transverse-modes degrees of freedom of single photons. The toolbox includes local operations on single qubits, controlled operations between the two qubits, and projective measurements over a wide variety of nonlocal bases in the four-dimensional space of states. We describe how to implement the toolbox to perform an extended version of the BB84 protocol for this Hilbert space (ideally transmitting two key bits per photon). We present the experimental implementation of the measurement scheme both in the regimes of intense light beams and with single photons. Thus, we show the feasibility of implementing the protocol, providing an interesting example of a method for quantum information processing using the polarization and transverse modes of light as qubits. © 2014 American Physical Society.

Registro:

Documento: Artículo
Título:Manipulating transverse modes of photons for quantum cryptography
Autor:Luda, M.A.; Larotonda, M.A.; Paz, J.P.; Schmiegelow, C.T.
Filiación:Departamento de Física, FCEyN, Ciudad Universitaria, 1428 Buenos Aires, Argentina
CEILAP, CITEDEF, J. B. de La Salle 4397, 1603 Villa Martelli, Buenos Aires, Argentina
IFIBA, UBA-CONICET, Ciudad Universitaria, 1428 Buenos Aires, Argentina
Palabras clave:Photons; Polarization; Quantum computers; Quantum optics; Extended versions; Four-dimensional space; Local operations; Projective measurement; Quantum key distribution protocols; Quantum-information processing; Single photons; Transverse mode; Quantum cryptography
Año:2014
Volumen:89
Número:4
DOI: http://dx.doi.org/10.1103/PhysRevA.89.042325
Título revista:Physical Review A - Atomic, Molecular, and Optical Physics
Título revista abreviado:Phys Rev A
ISSN:10502947
CODEN:PLRAA
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_10502947_v89_n4_p_Luda

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Citas:

---------- APA ----------
Luda, M.A., Larotonda, M.A., Paz, J.P. & Schmiegelow, C.T. (2014) . Manipulating transverse modes of photons for quantum cryptography. Physical Review A - Atomic, Molecular, and Optical Physics, 89(4).
http://dx.doi.org/10.1103/PhysRevA.89.042325
---------- CHICAGO ----------
Luda, M.A., Larotonda, M.A., Paz, J.P., Schmiegelow, C.T. "Manipulating transverse modes of photons for quantum cryptography" . Physical Review A - Atomic, Molecular, and Optical Physics 89, no. 4 (2014).
http://dx.doi.org/10.1103/PhysRevA.89.042325
---------- MLA ----------
Luda, M.A., Larotonda, M.A., Paz, J.P., Schmiegelow, C.T. "Manipulating transverse modes of photons for quantum cryptography" . Physical Review A - Atomic, Molecular, and Optical Physics, vol. 89, no. 4, 2014.
http://dx.doi.org/10.1103/PhysRevA.89.042325
---------- VANCOUVER ----------
Luda, M.A., Larotonda, M.A., Paz, J.P., Schmiegelow, C.T. Manipulating transverse modes of photons for quantum cryptography. Phys Rev A. 2014;89(4).
http://dx.doi.org/10.1103/PhysRevA.89.042325