Negative group velocity of a light pulse in cesium vapour

被引：45

作者：

Akulshin, AM

Cimmino, A

Opat, GI

机构：

[1] Russian Acad Sci, PN Lebedev Phys Inst, Moscow 119991, Russia

[2] Univ Melbourne, Sch Phys, Melbourne, Vic 3010, Australia

来源：

QUANTUM ELECTRONICS | 2002年 / 32卷 / 07期

关键词：

anomalous dispersion; negative group velocity of light; slow light; electromagnetically induced transparency;

D O I：

10.1070/QE2002v032n07ABEH002249

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Electromagnetically induced absorption in cesium vapour causes an extremely strong anomalous dispersion, leading to the propagation of radiation at a low negative group velocity V-g. As a result, a resonance light pulse appears from the medium before than a nonresonance pulse. The advance time measured in the experiment corresponds to the group velocity V-g approximate to -c/3600, which is an order of magnitude lower than that reported by Wang L.J., et al. Nature, 406, 277 (2000).

引用

收藏

页码：567 / 569

页数：3

相关论文

共 15 条

[1] Steep anomalous dispersion in coherently prepared Rb vapor [J].

Akulshin, AM ;

Barreiro, S ;

Lezama, A .

PHYSICAL REVIEW LETTERS, 1999, 83 (21) :4277-4280

[2] Electromagnetically induced absorption and transparency due to resonant two-field excitation of quasidegenerate levels in Rb vapor [J].

Akulshin, AM ;

Barreiro, S ;

Lezama, A .

PHYSICAL REVIEW A, 1998, 57 (04) :2996-3002

[3] Coherent population trapping in laser spectroscopy [J].

Arimondo, E .

PROGRESS IN OPTICS, VOL XXXV, 1996, 35 :257-354

[4] LINEAR PULSE-PROPAGATION IN AN ABSORBING MEDIUM [J].

CHU, S ;

WONG, S .

PHYSICAL REVIEW LETTERS, 1982, 48 (11) :738-741

[5] Transparent anomalous dispersion and superluminal light-pulse propagation at a negative group velocity [J].

Dogariu, A ;

Kuzmich, A ;

Wang, LJ .

PHYSICAL REVIEW A, 2001, 63 (05) :12

[6] PROPAGATION OF A GAUSSIAN LIGHT PULSE THROUGH AN ANOMALOUS DISPERSION MEDIUM [J].

GARRETT, CGB ;

MCCUMBER, DE .

PHYSICAL REVIEW A, 1970, 1 (02) :305-&

[7] Electromagnetically induced transparency [J].

Harris, SE .

PHYSICS TODAY, 1997, 50 (07) :36-42

[8] Light speed reduction to 17 metres per second in an ultracold atomic gas [J].

Hau, LV ;

Harris, SE ;

Dutton, Z ;

Behroozi, CH .

NATURE, 1999, 397 (6720) :594-598

[9] Ultraslow group velocity and enhanced nonlinear optical effects in a coherently driven hot atomic gas [J].

Kash, MM ;

Sautenkov, VA ;

Zibrov, AS ;

Hollberg, L ;

Welch, GR ;

Lukin, MD ;

Rostovtsev, Y ;

Fry, ES ;

Scully, MO .

PHYSICAL REVIEW LETTERS, 1999, 82 (26) :5229-5232

[10] Electromagnetically induced absorption [J].

Lezama, A ;

Barreiro, S ;

Akulshin, AM .

PHYSICAL REVIEW A, 1999, 59 (06) :4732-4735