Strong–laser–field physics is a research direction that relies on the use of high-power lasers
and has led to fascinating achievements ranging from relativistic particle acceleration to …

Petahertz, or lightwave, electronics uses tailored optical waveforms to control charge
carriers in an electronic circuit at petahertz frequencies. This may enable faster processing …

Single-cycle optical pulses with controllable carrier-envelope phase (CEP) form the basis to
manipulate the nonlinear polarization of matter on a sub-femtosecond time scale. Moreover …

The influence of the carrier-envelope phase (CEP) of a pump pulse on the multioctave
supercontinuum (SC) generation in a gas-filled anti-resonant hollow-core fiber (AR HCF) by …

Parametric downconversion driven by modern, high-power sources of 10-fs-scale near-
infrared pulses, in particular intrapulse difference-frequency generation (IPDFG), affords …

High-harmonic spectroscopy, an ultrafast all-optical technique initially conceptualized in
atomic and molecular systems, has now emerged as a powerful platform for studying the …

Electro-optic sampling of infrared electric fields has set sensitivity and dynamic-range
records in broadband molecular vibrational spectroscopy. Yet, in these works, the 1-second …

Diode-pumped Cr: ZnS oscillators have emerged as precursors for single-cycle infrared
pulse generation with excellent noise performance. Here we demonstrate a Cr: ZnS …

Cr-doped ZnS and ZnSe are excellent gain mediums for high power and broadband
ultrashort pulse generation in the 2–wavelength range. SESAM modelocked Cr: ZnS …

We present the first dual-modelocked femtosecond oscillator operating beyond 2 µm
wavelength. This new class of laser is based on a Cr: ZnS gain medium, an InGaSb SESAM …