Multifrequency Raman amplifiers

Barth, Ido; Fisch, Nathaniel J.

doi:10.1103/PhysRevE.97.033201

Title: Multifrequency Raman amplifiers

Journal Article · Thu Mar 08 00:00:00 EST 2018 · Physical Review E

DOI:https://doi.org/10.1103/PhysRevE.97.033201· OSTI ID:1425608

Barth, Ido ^[1]; Fisch, Nathaniel J. ^[2]

Hebrew Univ. of Jerusalem (Israel). Racah Inst. of Physics; Princeton Univ., NJ (United States). Dept. of Astrophysical Sciences
Princeton Univ., NJ (United States). Dept. of Astrophysical Sciences

In its usual implementation, the Raman amplifier features only one pump carrier frequency. However, pulses with well-separated frequencies can also be Raman amplified while compressed in time. Amplification with frequency-separated pumps is shown to hold even in the highly nonlinear, pump-depletion regime, as derived through a fluid model, and demonstrated via particle-in-cell (PIC) simulations. The resulting efficiency is similar to single-frequency amplifiers, but, due to the beat-wave waveform of both the pump lasers and the amplified seed pulses, these amplifiers feature higher seed intensities with a shorter spike duration. Advantageously, these amplifiers also suffer less noise backscattering, because the total fluence is split between the different spectral components.

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Research Organization:: Princeton Univ., NJ (United States)

Sponsoring Organization:: USDOE National Nuclear Security Administration (NNSA); US Air Force Office of Scientific Research (AFOSR)

Grant/Contract Number:: AC02-09CH11466; NA0002948; FA9550-15-1-0391

OSTI ID:: 1425608

Alternate ID(s):: OSTI ID: 1424818

Journal Information:: Physical Review E, Vol. 97, Issue 3; ISSN 2470-0045

Publisher:: American Physical Society (APS)Copyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 6 works

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Cited By (2)

Light spring amplification in a multi-frequency Raman amplifier Arteaga, J. A.; Serbeto, A.; Tsui, K. H. Physics of Plasmas, Vol. 25, Issue 12 https://doi.org/10.1063/1.5068770	journal	December 2018
A Comprehensive Study on EDFA Characteristics: Temperature Impact Bebawi, John; Kandas, Ishac; El-Osairy, Mohamed Applied Sciences, Vol. 8, Issue 9 https://doi.org/10.3390/app8091640	journal	September 2018

Figures / Tables (6)

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70 PLASMA PHYSICS AND FUSION TECHNOLOGY
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
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Raman amplifiers
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wave-particle interactions