Enhanced stimulated Raman scattering by femtosecond ultraviolet plasma grating in water

Fengjiang Liu; Shuai Yuan; Boqu He; Junyi Nan; Abdul Qayyum Khan; Liang'En Ding; Heping Zeng

doi:10.1063/1.5018629

Enhanced stimulated Raman scattering by femtosecond ultraviolet plasma grating in water

Fengjiang Liu
, Shuai Yuan
, Boqu He
, Junyi Nan
, Abdul Qayyum Khan
, Liang'En Ding
, Heping Zeng^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

16 Scopus citations

Abstract

Efficient forward stimulated Raman scattering (SRS) was observed along 400-nm femtosecond (fs) laser filaments in water. SRS conversion dominated over self-phase modulation induced continuum generation as the input pulse energy was above 4 μJ (∼30 P_cr), implying that plasma in the aqueous filamentation channel played an important role in compensating for the group velocity walk-off between the pump and Stokes pulses. By overlapping two synchronous fs 400-nm filaments to form plasma grating in water, significant enhancement of SRS conversion was observed. Such a SRS enhancement originated from the ultrahigh plasma density in the intersection region of the preformed plasma grating.

Original language	English
Article number	094101
Journal	Applied Physics Letters
Volume	112
Issue number	9
DOIs	https://doi.org/10.1063/1.5018629
State	Published - 26 Feb 2018
Externally published	Yes

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@article{ec27cc124a1148b68686b83f01113958,

title = "Enhanced stimulated Raman scattering by femtosecond ultraviolet plasma grating in water",

abstract = "Efficient forward stimulated Raman scattering (SRS) was observed along 400-nm femtosecond (fs) laser filaments in water. SRS conversion dominated over self-phase modulation induced continuum generation as the input pulse energy was above 4 μJ (∼30 Pcr), implying that plasma in the aqueous filamentation channel played an important role in compensating for the group velocity walk-off between the pump and Stokes pulses. By overlapping two synchronous fs 400-nm filaments to form plasma grating in water, significant enhancement of SRS conversion was observed. Such a SRS enhancement originated from the ultrahigh plasma density in the intersection region of the preformed plasma grating.",

author = "Fengjiang Liu and Shuai Yuan and Boqu He and Junyi Nan and Khan, \{Abdul Qayyum\} and Liang'En Ding and Heping Zeng",

note = "Publisher Copyright: {\textcopyright} 2018 Author(s).",

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doi = "10.1063/1.5018629",

language = "英语",

volume = "112",

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T1 - Enhanced stimulated Raman scattering by femtosecond ultraviolet plasma grating in water

AU - Liu, Fengjiang

AU - Yuan, Shuai

AU - He, Boqu

AU - Nan, Junyi

AU - Khan, Abdul Qayyum

AU - Ding, Liang'En

AU - Zeng, Heping

PY - 2018/2/26

Y1 - 2018/2/26

N2 - Efficient forward stimulated Raman scattering (SRS) was observed along 400-nm femtosecond (fs) laser filaments in water. SRS conversion dominated over self-phase modulation induced continuum generation as the input pulse energy was above 4 μJ (∼30 Pcr), implying that plasma in the aqueous filamentation channel played an important role in compensating for the group velocity walk-off between the pump and Stokes pulses. By overlapping two synchronous fs 400-nm filaments to form plasma grating in water, significant enhancement of SRS conversion was observed. Such a SRS enhancement originated from the ultrahigh plasma density in the intersection region of the preformed plasma grating.

AB - Efficient forward stimulated Raman scattering (SRS) was observed along 400-nm femtosecond (fs) laser filaments in water. SRS conversion dominated over self-phase modulation induced continuum generation as the input pulse energy was above 4 μJ (∼30 Pcr), implying that plasma in the aqueous filamentation channel played an important role in compensating for the group velocity walk-off between the pump and Stokes pulses. By overlapping two synchronous fs 400-nm filaments to form plasma grating in water, significant enhancement of SRS conversion was observed. Such a SRS enhancement originated from the ultrahigh plasma density in the intersection region of the preformed plasma grating.

UR - https://www.scopus.com/pages/publications/85042689753

U2 - 10.1063/1.5018629

DO - 10.1063/1.5018629

M3 - 文章

AN - SCOPUS:85042689753

SN - 0003-6951

VL - 112

JO - Applied Physics Letters

JF - Applied Physics Letters

IS - 9

M1 - 094101

ER -

Enhanced stimulated Raman scattering by femtosecond ultraviolet plasma grating in water

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