This article is cited in 15 papers

Nonlinear optical phenomena

Population difference gratings produced by unipolar subcycle pulses in a resonant medium

R. M. Arkhipov^a, M. V. Arkhipov^a, I. V. Babushkin^bc, A. V. Pakhomov^de, N. N. Rosanov<sup>fgh

a</sup> Saint Petersburg State University
^b Max Born Institute, Germany
^c Institute of Quantum Optics, Leibniz University of Hannover, Germany
^d Samara National Research University
^e Samara Branch of P. N. Lebedev Physical Institute, Russian Academy of Sciences
^f St. Petersburg National Research University of Information Technologies, Mechanics and Optics
^g All-Russian Research Center "S. I. Vavilov State Optical Institute", St. Petersburg
^h Ioffe Physico-Technical Institute, Russian Academy of Sciences, St. Petersburg

Abstract: We demonstrate the possibility of inducing, erasing and extra rapidly controlling population difference gratings resulting from coherent interaction of unipolar subcycle pulses with a resonant medium. Gratings can be produced without overlap of pulses in the medium, which is an important distinction of the proposed approach from the traditional one, in which gratings are produced using interference of two or more overlapping quasi-monochromatic light beams. The use of unipolar subcycle pulses ensures faster control over gratings in comparison with bipolar pulses studied by us previously.

Keywords: unipolar optical pulses, population difference grating, resonant optical media.

Received: 25.03.2017
Revised: 01.05.2017

 English version: Quantum Electronics, 2017, 47:7, 589–592

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