Photon echoes in strong magnetic fields

被引:2
|
作者
Reshetov, VA
Yevseyev, IV
机构
[1] Tolyatti State Univ, Dept Theoret Phys, Tolyatti 445859, Russia
[2] Moscow Engn Phys Inst, Dept Theoret Phys, Moscow 115409, Russia
关键词
photon echo; polarization properties; magnetic field;
D O I
10.1002/lapl.200410105
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
The polarization properties of photon echoes in strong magnetic field, when the action of this field during the time of propagation of the exciting pulses and the echo signal through the resonant gaseous medium cannot be neglected, are studied theoretically. The photon echo polarization in strong magnetic field cannot be described by the polarization vector but rather by the polarization matrix. The degree of the photon echo polarization decreases with the increase of the magnetic field strength. The dependence of the photon echo intensity on the magnetic field strength was also analyzed numerically. In strong magnetic field the fast oscillations of this intensity appear to be damping and modulated by the slower ones. The spectrum of these oscillations depend also on the spectra of the exciting pulses, so that in case of small area of the first exciting pulse its temporal shape may be reconstructed from the oscillations of the echo intensity versus the magnetic field strength.
引用
收藏
页码:483 / 490
页数:8
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