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Proceedings Paper

Four-photon parametric mixing in CW and pulse regimes in single mode optical fibers
Author(s): A. Dakova; D. Dakova; Z. Andreeva; D. Georgieva; V. Slavchev; L. Kovachev
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Paper Abstract

The process of four photon parametric mixing can be used to convert the input laser sources, working in CW and pulse regimes, into light at several different frequencies. An effective parametric energy conversion can be observed when phase matching conditions between the waves are satisfied. The basic theoretical investigations are focused on efficiency of the four-photon mixing and parametric gain with applications such as all-optical signal sampling, time-demultiplexing, pulse generation and wavelength conversion. The parametric amplifiers have capacity to provide high gain and low noise at arbitrary wavelengths with proper fiber design and pump wavelength allocation. The problem with the generation of new frequencies on distances less than one coherent length in the process of parametric four-photon mixing was solved in approximation of fixed electric field of the pump wave. The idea of our research is to solve the more general problem in which it is taken into account the mutual action of the first and second order of dispersion and all real χ(3) nonlinear processes on the parametric four-photon mixing. In CW regime the solutions of the problem, presented above, was solved in the form of Jacobi elliptic functions. In pulse regime we found optimal conditions, where the process of energy exchange is still effective. In this regime a quasi-periodic conversion is observed and group velocity difference between the pump and signal wave is compensated by nonlinear mechanisms.

Paper Details

Date Published: 30 December 2019
PDF: 6 pages
Proc. SPIE 11332, International Conference on Quantum, Nonlinear, and Nanophotonics 2019 (ICQNN 2019), 113320H (30 December 2019);
Show Author Affiliations
A. Dakova, Institute of Electronics (Bulgaria)
Plovdiv Univ. "Paisii Hilendarski" (Bulgaria)
D. Dakova, Plovdiv Univ. "Paisii Hilendarski" (Bulgaria)
Z. Andreeva, Plovdiv Univ. "Paisii Hilendarski" (Bulgaria)
D. Georgieva, Institute of Electronics (Bulgaria)
Technical Univ. of Sofia (Bulgaria)
V. Slavchev, Institute of Electronics (Bulgaria)
Medical Univ. Plovdiv (Bulgaria)
L. Kovachev, Institute of Electronics (Bulgaria)

Published in SPIE Proceedings Vol. 11332:
International Conference on Quantum, Nonlinear, and Nanophotonics 2019 (ICQNN 2019)
Alexander A. Dreischuh; Tony Spassov; Isabelle Staude; Dragomir N. Neshev, Editor(s)

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