Attosecond science based on high harmonic generation from gases and solids

J Li, J Lu, A Chew, S Han, J Li, Y Wu, H Wang… - Nature …, 2020 - nature.com
Recent progress in high power ultrafast short-wave and mid-wave infrared lasers has
enabled gas-phase high harmonic generation (HHG) in the water window and beyond, as …

Intense infrared lasers for strong-field science

Z Chang, L Fang, V Fedorov, C Geiger… - Advances in Optics …, 2022 - opg.optica.org
The advent of chirped-pulse amplification in the 1980s and femtosecond Ti: sapphire lasers
in the 1990s enabled transformative advances in intense laser–matter interaction physics …

Femtosecond graphene mode-locked Fe: ZnSe laser at 4.4 µm

AV Pushkin, EA Migal, S Tokita, YV Korostelin… - Optics letters, 2020 - opg.optica.org
We report, for the first time, to the best of our knowledge, a femtosecond mode-locked Fe:
ZnSe laser. Passive mode locking is implemented using graphene as a saturable absorber …

High-power few-cycle Cr: ZnSe mid-infrared source for attosecond soft x-ray physics

VE Leshchenko, BK Talbert, YH Lai, S Li, Y Tang… - Optica, 2020 - opg.optica.org
The development of mid-infrared, high-energy pulses of extremely short pulse duration is of
great importance to the strong-field physics community, as it enables extension of the high …

High-power solid-state near-and mid-IR ultrafast laser sources for strong-field science

A Pushkin, E Migal, D Suleimanova, E Mareev… - Photonics, 2022 - mdpi.com
This review highlights the development of ultrafast sources in the near-and middle-IR range,
developed in the laboratory of Nonlinear Optics and Superstrong Laser Fields at Lomonosov …

Femtosecond tunable solitons up to 4.8  µm using soliton self-frequency shift in an InF3 fiber

JC Gauthier, M Olivier, P Paradis, MF Dumas… - Scientific Reports, 2022 - nature.com
A tunable ultrashort soliton pulse source reaching up to 4.8 µm is demonstrated based on a
2.8 µm femtosecond fiber laser coupled to a zirconium fluoride fiber amplifier followed by a …

Cryogenically cooled Fe: ZnSe-based chirped pulse amplifier at 4.07 µm

ZA Marra, Y Wu, F Zhou, Z Chang - Optics Express, 2023 - opg.optica.org
A femtosecond chirped pulse amplifier based on cryogenically cooled Fe: ZnSe was
demonstrated at 333 Hz—33 times higher than previous results achieved at near-room …

Powerful 3-μm lasers acousto-optically Q-switched with KYW and KGW crystals

AV Pushkin, MM Mazur, AA Sirotkin, VV Firsov… - Optics Letters, 2019 - opg.optica.org
We report, to the best of our knowledge, the first use of KY (WO_4) _2 and KG (WO_4)
acousto-optical Q-switches in 3-μm powerful lasers. Q-switches of two different designs …

Role of wavelength in photocarrier absorption and plasma formation threshold under excitation of dielectrics by high-intensity laser field tunable from visible to mid-IR

E Migal, E Mareev, E Smetanina, G Duchateau… - Scientific Reports, 2020 - nature.com
The development of high power mid-IR laser applications requires a study on laser induced
damage threshold (LIDT) in the mid-IR. In this paper we have measured the wavelength …

High-gain broadband laser amplification of mid-IR pulses in Fe: CdSe crystal at 5 μm with millijoule output energy and multigigawatt peak power

A Pushkin, F Potemkin - Optics Letters, 2022 - opg.optica.org
We report on a first of its kind, to our knowledge broadband amplification in a Fe: CdSe
single crystal in the mid-IR beyond 5? µm. The experimentally measured gain properties …