Polarization states of four-dimensional systems based on biphotons

被引：45

作者：

Bogdanov, Yu. I. ^{[1
]}

Moreva, E. V.

Maslennikov, G. A.

Galeev, R. F.

Straupe, S. S.

Kulik, S. P.

机构：

[1] Russian Acad Sci, Inst Phys & Technol, Moscow 117218, Russia

[2] Moscow MV Lomonosov State Univ, Moscow Engn Phys Inst, Moscow 115409, Russia

[3] Natl Univ Singapore, Dept Phys, Singapore 117542, Singapore

[4] Moscow MV Lomonosov State Univ, Fac Phys, Moscow 119992, Russia

来源：

PHYSICAL REVIEW A | 2006年 / 73卷 / 06期

关键词：

D O I：

10.1103/PhysRevA.73.063810

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We discuss the concept of polarization states of four-dimensional quantum systems based on the frequency nondegenerate biphoton field. Several quantum tomography protocols were developed and implemented for the measurement of an arbitrary state of ququart. A simple method that does not rely on the interferometric technique is used to generate and measure the sequence of states that can be used for quantum communication purposes.

引用

页数：13

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