Generation of subpicosecond pulses due to the development of modulation instability of whispering-gallery-mode wave packets in an optical waveguide with a travelling refractive-index wave

We consider the transformation of a quasi-continuous (with the duration greater than 1 ns) background tunnelling wave of the whispering gallery mode (WGM) type into ultrashort (pico- and subpicosecond) laser pulses, arising due to the development of modulation instability in a cylindrical optical wa...

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Bibliographic Details
Published in:Quantum electronics (Woodbury, N.Y.) N.Y.), 2018-09, Vol.48 (9), p.818-822
Main Authors: Zolotovskii, I.O., Korobko, D.A., Lapin, V.A., Mironov, P.P., Sementsov, D.I., Fotiadi, A.A., Yavtushenko, M.S.
Format: Article
Language:English
Subjects:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY
CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
CYLINDRICAL CONFIGURATION
laser pulses
LASERS
Modulation
modulation instability
Optical waveguides
PLASMA INSTABILITY
PULSES
REFRACTIVE INDEX
travelling wave
TUNNEL EFFECT
WAVE PACKETS
WAVEGUIDES
whispering gallery modes
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Summary:We consider the transformation of a quasi-continuous (with the duration greater than 1 ns) background tunnelling wave of the whispering gallery mode (WGM) type into ultrashort (pico- and subpicosecond) laser pulses, arising due to the development of modulation instability in a cylindrical optical waveguide with travelling refractive-index wave. It is shown that the peak power of the generated laser pulses can exceed the power of the background WGM by a few orders of magnitude.
ISSN:1063-7818
1468-4799
DOI:10.1070/QEL16734