Multifrequency Raman amplifiers

Barth, Ido; Fisch, Nathaniel J.

doi:10.1103/PhysRevE.97.033201

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 University
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.

View Accepted Manuscript (DOE)

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

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

Grant/Contract Number:: AC02-09CH11466; NA0002948

OSTI ID:: 1425608

Alternate ID(s):: OSTI ID: 1424818

Journal Information:: Physical Review E, Journal Name: Physical Review E Journal Issue: 3 Vol. 97; ISSN PLEEE8; ISSN 2470-0045

Publisher:: American Physical Society (APS)Copyright Statement

Country of Publication:: United States

Language:: English

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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

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46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
70 PLASMA PHYSICS AND FUSION TECHNOLOGY
Laser plasma interaction
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nonlinear phenomena in plasmas
stimulated brillouin and raman scattering in plasmas
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Multifrequency Raman amplifiers

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References (41)

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Figures / Tables (6)

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