All-optical shaping of a 3D self-induced transparency soliton in 87Rb vapours

Bagaev, S.N., Mekhov I.B., Chekhonin M.A., Chekhonin I.A.

Publication in Journal of Optical Technology

For Russian citation (Opticheskii Zhurnal):

Багаев С.Н., Мехов И.Б., Чехонин И.А., Чехонин М.А. Полностью оптическое формирование свойств трехмерного солитона самоиндуцированной прозрачности в парах ⁸⁷Rb // Оптический журнал. 2023. Т. 90. № 5. С. 3–9. http:doi.org/10.17586/1023-5086-2023-90-05-03-09 Bagaev S.N., Mekhov I.B., Chekhonin I.A., Chekhonin M.A. All-optical shaping of a 3D self-induced transparency soliton in ⁸⁷Rb vapours [in Russian] // Opticheskii Zhurnal. 2023. V. 90. № 5. P. 3–9. http:doi.org/10.17586/1023-5086-2023-90-05-03-09

For citation (Journal of Optical Technology):

Sergey N. Bagaev, Igor B. Mekhov, Igor A. Chekhonin, and Mikhail A. Chekhonin, "Simultaneous generation of N coherent pulses of various areas under self-diffraction in ⁸⁷Rb vapors," Journal of Optical Technology. 90(5), 249-253 (2023)

Abstract:

Subject of study. Three-dimensional solitons of the theory of self-induced transparency of laser pulses with a converging cylindrical wave front and different transverse spatial profiles of the pulse field in ⁸⁷Rb vapor (resonant transition D₂, wavelength 780.24 nm). Aim of study. Experimental study of three-dimensional solitons of self-induced transparency of laser pulses for development of new devices prototypes for resonant quantum microwave photonics using laser signal processing methods in the microwave region of the spectrum. Method. In the caustic of a focused beam of a laser pump pulse with a cylindrical wave front, a transverse spatial profile of the electric field strength of a special shape is created. The computer generated holograms developed by us can be used to create an arbitrary profile. Main results. The properties of a three-dimensional self-induced transparency soliton are studied for various detuning frequencies of the input pulse field with respect to atomic resonance. The maximum laser pulse power was 8.5 mW; the pulse duration was 4–5 ns. The time resolution of the recording system is 27 ps. It is shown that the all-optical control of the carrier frequency of the input pulse determines the properties of the output pulse — compression of the pulse duration (generation of a strobe pulse), the value of the soliton delay in time, the time shift of the carrier frequency of the soliton. Practical significance. The results obtained in the study of the properties of three-dimensional self-induced transparency solitons will serve as the basis for the development of prototypes of signal processing devices using low-power laser diodes.

Keywords:

self-induced transparency, soliton, quantum microwave photonics, resonant medium, computer generated hologram

OCIS codes: 060.5530, 050.1590, 060.5625

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