Propagation of the phase pulses of bichromatic radiation under the electromagnetically induced transparency conditions

被引：3
|
作者：
Yudin, V. I. [1 ,2 ,3 ,4 ]
Basalaev, M. Yu [1 ,2 ,3 ]
Taichenachev, A. V. [1 ,2 ,4 ]
Brazhnikov, D. V. [1 ,2 ]
Bagayev, S. N. [1 ]
机构：
[1] Inst Laser Phys SB RAS, Novosibirsk 630090, Russia
[2] Novosibirsk State Univ, Novosibirsk 630090, Russia
[3] Novosibirsk State Tech Univ, Novosibirsk 630073, Russia
[4] Russian Quantum Ctr, Moscow 143090, Russia
来源：
LASER PHYSICS LETTERS | 2014年 / 11卷 / 08期
关键词：
coherent population trapping; Lambda-type atoms; phase pulses; group velocity; slow light; GROUP-VELOCITY; ATOMIC GAS; LIGHT; SLOW; ULTRASLOW; SPEED; VAPOR;
D O I：
10.1088/1612-2011/11/8/085402
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We study the dynamics of the phase pulses of laser radiation with two resonant frequency components propagating in an atomic three-level. type medium under coherent population trapping. Using the density matrix adiabatic approach we show that the effect of a very large slowing down occurs not only for amplitude pulses, but also for phase pulses. The group velocity of phase pulses can be controlled by the amplitudes of resonant fields. The analytical solution describing the mutual influence of the phase modulation of one field component on another is obtained.
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页数：5
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