Interaction of Phase-Modulated Femtosecond Pulses with an Optically Dense Quasi-Resonant Medium of Rubidium Vapors

S. N. Bagaev, A. A. Preobrazhenskaya, N. A. Timofeev, A. A. Pastor, I. B. Mekhov, I. A. Chekhonin, P. Yu Serdobintsev, V. S. Egorov, M. A. Chekhonin, A. M. Mashko

Результат исследований: Научные публикации в периодических изданияхстатья

Выдержка

Abstract: For the first time, it is demonstrated that the magnitude and sign of the effect of “spectral condensation” of a laser pulse at the resonant-transition frequency of a dense medium can be controlled by changing the driving-pulse parameters (chirp, pulse width, and pulse amplitude). In the process of this, importantly, the driving-pulse energy and spectrum remain unchanged. Direct time-resolved measurements revealed an oscillatory character of the induced superradiance of rubidium vapors representing a long train of decaying short pulses. The width and repetition rate of the pulses in the train are determined by atomic density N 0 of the medium, while the width of an entire superradiance pulse (10 ps) is considerably larger than that of the driving laser pulse (50 fs).

Язык оригиналаанглийский
Страницы (с-по)667-672
Число страниц6
ЖурналOptics and Spectroscopy (English translation of Optika i Spektroskopiya)
Том125
Номер выпуска5
DOI
СостояниеОпубликовано - 1 ноя 2018

Отпечаток

Rubidium
rubidium
Ultrashort pulses
Superradiance
Laser pulses
Vapors
vapors
pulses
interactions
Time measurement
Condensation
pulse amplitude
chirp
lasers
repetition
pulse duration
condensation
time measurement

Предметные области Scopus

  • Электроника, оптика и магнитные материалы
  • Атомная и молекулярная физика и оптика

Цитировать

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title = "Interaction of Phase-Modulated Femtosecond Pulses with an Optically Dense Quasi-Resonant Medium of Rubidium Vapors",
abstract = "Abstract: For the first time, it is demonstrated that the magnitude and sign of the effect of “spectral condensation” of a laser pulse at the resonant-transition frequency of a dense medium can be controlled by changing the driving-pulse parameters (chirp, pulse width, and pulse amplitude). In the process of this, importantly, the driving-pulse energy and spectrum remain unchanged. Direct time-resolved measurements revealed an oscillatory character of the induced superradiance of rubidium vapors representing a long train of decaying short pulses. The width and repetition rate of the pulses in the train are determined by atomic density N 0 of the medium, while the width of an entire superradiance pulse (10 ps) is considerably larger than that of the driving laser pulse (50 fs).",
author = "Bagaev, {S. N.} and Preobrazhenskaya, {A. A.} and Timofeev, {N. A.} and Pastor, {A. A.} and Mekhov, {I. B.} and Chekhonin, {I. A.} and Serdobintsev, {P. Yu} and Egorov, {V. S.} and Chekhonin, {M. A.} and Mashko, {A. M.}",
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language = "English",
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journal = "OPTICS AND SPECTROSCOPY",
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Interaction of Phase-Modulated Femtosecond Pulses with an Optically Dense Quasi-Resonant Medium of Rubidium Vapors. / Bagaev, S. N.; Preobrazhenskaya, A. A.; Timofeev, N. A.; Pastor, A. A.; Mekhov, I. B.; Chekhonin, I. A.; Serdobintsev, P. Yu; Egorov, V. S.; Chekhonin, M. A.; Mashko, A. M.

В: Optics and Spectroscopy (English translation of Optika i Spektroskopiya), Том 125, № 5, 01.11.2018, стр. 667-672.

Результат исследований: Научные публикации в периодических изданияхстатья

TY - JOUR

T1 - Interaction of Phase-Modulated Femtosecond Pulses with an Optically Dense Quasi-Resonant Medium of Rubidium Vapors

AU - Bagaev, S. N.

AU - Preobrazhenskaya, A. A.

AU - Timofeev, N. A.

AU - Pastor, A. A.

AU - Mekhov, I. B.

AU - Chekhonin, I. A.

AU - Serdobintsev, P. Yu

AU - Egorov, V. S.

AU - Chekhonin, M. A.

AU - Mashko, A. M.

PY - 2018/11/1

Y1 - 2018/11/1

N2 - Abstract: For the first time, it is demonstrated that the magnitude and sign of the effect of “spectral condensation” of a laser pulse at the resonant-transition frequency of a dense medium can be controlled by changing the driving-pulse parameters (chirp, pulse width, and pulse amplitude). In the process of this, importantly, the driving-pulse energy and spectrum remain unchanged. Direct time-resolved measurements revealed an oscillatory character of the induced superradiance of rubidium vapors representing a long train of decaying short pulses. The width and repetition rate of the pulses in the train are determined by atomic density N 0 of the medium, while the width of an entire superradiance pulse (10 ps) is considerably larger than that of the driving laser pulse (50 fs).

AB - Abstract: For the first time, it is demonstrated that the magnitude and sign of the effect of “spectral condensation” of a laser pulse at the resonant-transition frequency of a dense medium can be controlled by changing the driving-pulse parameters (chirp, pulse width, and pulse amplitude). In the process of this, importantly, the driving-pulse energy and spectrum remain unchanged. Direct time-resolved measurements revealed an oscillatory character of the induced superradiance of rubidium vapors representing a long train of decaying short pulses. The width and repetition rate of the pulses in the train are determined by atomic density N 0 of the medium, while the width of an entire superradiance pulse (10 ps) is considerably larger than that of the driving laser pulse (50 fs).

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