Тип публикации: статья из журнала
Год издания: 2018
Идентификатор DOI: 10.1103/PhysRevA.98.013838
Аннотация: We propose and analyze an efficient scheme for the one- and two-dimensional atomic gratings based on periodic spatial modulation of the Raman gain and dispersion, which we name the Raman-induced diffraction gratings (RIDGs). There are fundamentally different from those based on electromagnetically induced transparency. As the probeПоказать полностьюfield propagates along the direction normal to the standing pump wave, it can be effectively diffracted into high-order directions. The grating is a hybrid grating, i.e. it represents a mixture of amplitude and phase gratings. We identify the conditions when all high-order diffractions are amplified. In addition, we also show that diffraction of a probe field could be dynamically controlled using an additional laser field. With its help, it is possible to suppress or amplify diffraction beams. The RIDGs can be considered as all-optical multibeam splitters with amplification.
Журнал: PHYSICAL REVIEW A
Выпуск журнала: Vol. 98, Is. 1
Номера страниц: 13838
ISSN журнала: 24699926
Место издания: COLLEGE PK
Издатель: AMER PHYSICAL SOC