TY - JOUR

T1 - All-fiber amplification of highly chirped dissipative solitons around a 1.3 micron using stimulated Raman scattering

AU - Evmenova, Ekaterina

AU - Antropov, Aleksandr

AU - Kharenko, Denis

N1 - This work was supported by Russian Science Foundation and the Government of Novosibirsk Region (Grant No. 22-22-20111). Experimental studies were carried out using the equipment of the Center for Collective Use “Spectroscopy and Optics" at the Institute of Automation and Electrometry SB RAS.

PY - 2023/12/15

Y1 - 2023/12/15

N2 - An all-fiber amplification of highly chirped dissipative solitons (DSs) by stimulated Raman scattering in a standard passive fiber with continuous-wave pumping is demonstrated for the first time to our knowledge. DSs with a duration of 20 ps and a repetition rate of 15.6 MHz at a wavelength of 1275 nm are amplified by a pump wave at 1205 nm. On-off Raman gain dependence on the amplifier length and pump power, as well as the pumping configuration, are experimentally studied. Uniform amplification has been achieved with a net gain of 10 dB resulting in a pulse energy of 13 nJ at backward pumping. Further Raman amplification is limited by emerging the next Stokes component. The output pulses are compressed by a factor of 50 down to a duration of 400 fs. As a result, the peak power reached the level of 9 kW. The demonstrated scheme can be a simple and robust alternative to the widely used parametric amplification of chirped pulses outside the dopant amplification band, and the resulting pulses can be used in multiphoton microscopy and other applications.

AB - An all-fiber amplification of highly chirped dissipative solitons (DSs) by stimulated Raman scattering in a standard passive fiber with continuous-wave pumping is demonstrated for the first time to our knowledge. DSs with a duration of 20 ps and a repetition rate of 15.6 MHz at a wavelength of 1275 nm are amplified by a pump wave at 1205 nm. On-off Raman gain dependence on the amplifier length and pump power, as well as the pumping configuration, are experimentally studied. Uniform amplification has been achieved with a net gain of 10 dB resulting in a pulse energy of 13 nJ at backward pumping. Further Raman amplification is limited by emerging the next Stokes component. The output pulses are compressed by a factor of 50 down to a duration of 400 fs. As a result, the peak power reached the level of 9 kW. The demonstrated scheme can be a simple and robust alternative to the widely used parametric amplification of chirped pulses outside the dopant amplification band, and the resulting pulses can be used in multiphoton microscopy and other applications.

UR - https://www.scopus.com/record/display.uri?eid=2-s2.0-85179770701&origin=inward&txGid=925acbbb18bad16fb66de20edf0c3309

UR - https://www.mendeley.com/catalogue/12e41024-84c3-3cd2-99f0-ea0e47f96486/

U2 - 10.1364/ol.505933

DO - 10.1364/ol.505933

M3 - Article

C2 - 38099769

VL - 48

SP - 6444

EP - 6447

JO - Optics Letters

JF - Optics Letters

SN - 0146-9592

IS - 24

ER -