Сибирский федеральный университет

Тип публикации: статья из журнала

Год издания: 2017

Идентификатор DOI: 10.1088/2040-8986/aa6498

Ключевые слова: light induced gratings, pulse propagation, Raman gain, Light, Light propagation, Light transmission, Modulation, Optical switches, Periodic structures, Probes, Pumping (laser), All optical switch, Coherent control, Light pulse propagation, Light-induced, Raman interactions, Spatial modulations, Optical pumping

Аннотация: We study light-pulse propagation in a dynamically controllable periodic structure (grating) resulting from Raman interaction of a weak probe pulse with a standing-wave pump and a second control laser field in. N-type four-level atomic media. The grating is induced due to periodic spatial modulation of the Raman gain in a standing pump field (Raman gain grating). We show that it is possible to control both the probe pulse amplitude and the group velocity of the pulse from subluminal to superluminal by varying the pump or control field. Such a grating is of interest for. all-optical switches and transistors.

Журнал: JOURNAL OF OPTICS

Выпуск журнала: Vol. 19, Is. 5

Номера страниц: 55501

ISSN журнала: 20408978

Место издания: BRISTOL

Издатель: IOP PUBLISHING LTD

• Arkhipkin V.G. (Kirensky Inst Phys, Fed Res Ctr, KSC SB RAS,50, Akademgorodok, Russia)
• Myslivets S.A. (Kirensky Inst Phys, Fed Res Ctr, KSC SB RAS,50, Akademgorodok, Russia; Siberian Fed Univ, Lab Nonlinear Opt & Spect, Krasnoyarsk 660079, Russia; Siberian Fed Univ, Dept Photon & Laser Technol, Krasnoyarsk 660079, Russia)

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