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Chirality-enabled optical dipole potential energy for two-level atoms
Physical Review A ( IF 2.6 ) Pub Date : 2021-01-13 , DOI: 10.1103/physreva.103.013106
V. E. Lembessis , K. Koksal , J. Yuan , M. Babiker

We consider the optical dipole potential energy, which arises from the interaction of a two-level atom with a circularly polarized Laguerre-Gaussian laser beam of small waist. The beam is characterized by the existence of a longitudinal electric field component which is responsible for the appearance of a chiral term in the optical dipole potential energy. This term reverses sign if either the winding number or the wave polarization of the beam reverses sign. We propose a scheme of a bi-chromatic vortex interaction with the two-level atom in which the resulting optical dipole potential is fully chiral.

中文翻译:

两级原子的手征性光学偶极势能

我们考虑了光学偶极势能,它是由两能级原子与小腰圆偏振Laguerre-Gaussian激光束的相互作用产生的。该束的特征在于存在纵向电场分量,该纵向电场分量负责在光学偶极势能中出现手性项。如果梁的绕组数或波偏振使符号反转,则该术语使符号反转。我们提出了一个与两级原子发生双色涡旋相互作用的方案,其中所产生的光学偶极势是完全手性的。
更新日期:2021-01-13
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