Parallel-in-time optical simulation of history states

被引：7
作者：
Pabon, D. [1 ,2 ]
Rebon, L. [3 ,4 ]
Bordakevich, S. [1 ]
Gigena, N. [3 ,4 ]
Boette, A. [3 ,4 ]
Iemmi, C. [1 ,2 ]
Rossignoli, R. [3 ,4 ,5 ]
Ledesma, S. [1 ,2 ]
机构：
[1] Univ Buenos Aires, Dept Fis, FCEyN, Pabellon 1,Ciudad Univ, RA-1428 Buenos Aires, DF, Argentina
[2] Consejo Nacl Invest Cient & Tecn, Buenos Aires, DF, Argentina
[3] Univ Nacl La Plata, FCE, Dept Fis, CC 67, RA-1900 La Plata, Buenos Aires, Argentina
[4] UNLP CONICET, Inst Fis La Plata, La Plata, Buenos Aires, Argentina
[5] Comisi Invest Cient Prov Buenos Aires CIC, RA-1900 La Plata, Buenos Aires, Argentina
来源：
PHYSICAL REVIEW A | 2019年 / 99卷 / 06期
关键词：
LIQUID-CRYSTAL; QUANTUM; MODULATION; PRINCIPLE;
D O I：
10.1103/PhysRevA.99.062333
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We present an experimental optical implementation of a parallel-in-time discrete model of quantum evolution, based on the entanglement between the quantum system and a finite-dimensional quantum clock. The setup is based on a programmable spatial light modulator which entangles the polarization and transverse spatial degrees of freedom of a single photon. It enables the simulation of a qubit history state containing the whole evolution of the system, capturing its main features in a simple and configurable scheme. We experimentally determine the associated system-time entanglement, which is a measure of distinguishable quantum evolution, and also the time average of observables, which in the present realization can be obtained through one single measurement.
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收藏
页数：8
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