Broadband squeezed light from phase-locked single-mode sub-Poissonian lasers

被引：20
|
作者：
Golubeva, T. [1 ]
Ivanov, D. [1 ]
Golubev, Yu. [1 ]
机构：
[1] St Petersburg State Univ, VA Fock Phys Inst, St Petersburg 198504, Russia
来源：
PHYSICAL REVIEW A | 2008年 / 77卷 / 05期
关键词：
D O I：
10.1103/PhysRevA.77.052316
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We consider a sub-Poissonian single-mode laser with external synchronization and analyze its applicability to the problems of quantum information. Using Heisenberg-Langevin theory, we calculate the quadrature variances of the field emitted by this laser. It is shown that such systems can demonstrate strong quadrature squeezing. Taking into account that the emitted field is temporally multimode, the application of such sources to multichannel quantum teleportation and dense coding protocols is discussed.
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页数：10
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