NDLI: Highly efficient SHG of a sequence of laser pulses with a random peak intensity and duration

Content Provider	Springer Nature Link
Author	Trofimov, V. A. Lysak, T. M.
Copyright Year	2009
Abstract	One of the methods of obtaining a highly efficient second-harmonic generation (SHG) for laser pulses with random amplitudes and durations is mathematically modeled. The essence of the method proposed consists of the use of quadratic nonlinearity of the medium under conditions of a large mismatch between the wave numbers of the fundamental wave and the second harmonic. In the literature, the SHG under these conditions is referred to as the cascade SHG. Under certain conditions, this process is equivalent to the action similar to that of the cubic nonlinearity. This allows one to implement the both compression and decompression of laser pulses due to the cascade generation at a fairly low intensity of the pulses such that the Kerr nonlinearity does not manifest itself. The cascade generation is shown to enable one to implement tenfold or higher suppression of fluctuations of the input peak intensity of the laser radiation in the regime of free generation, which potentially makes it possible to implement the SHG under optimum conditions for all pulses in the sequence.
Starting Page	399
Ending Page	406
Page Count	8
File Format	PDF
ISSN	0030400X
Journal	Optics and Spectroscopy
Volume Number	107
Issue Number	3
e-ISSN	15626911
Language	English
Publisher	SP MAIK Nauka/Interperiodica
Publisher Date	2009-10-10
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Frequency conversion; harmonic generation, including higher-order harmonic generation Dynamics of nonlinear optical systems; optical instabilities, optical chaos and complexity, and optical spatio-temporal dynamics Optics, Optoelectronics, Plasmonics and Optical Devices
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics Electronic, Optical and Magnetic Materials

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