Ultrashort terahertz pulses derived from femtosecond table-top sources have become a
valuable tool for time-resolved spectroscopy during the last two decades. Until recently, the …

Continued development in the areas of communication, security, medicine, and safety is
calling for terahertz‐wave technologies to evolve beyond laboratory research and into the …

The field of nonlinear optics has grown substantially in past decades, leading to tremendous
progress in fundamental research and revolutionized applications. Traditionally, the optical …

The use of laser pulse sequences to drive the cascaded difference frequency generation of
high energy, high peak-power and multi-cycle terahertz pulses in cryogenically cooled (100 …

We demonstrate generation of high-power, multicycle, and frequency-tunable terahertz
pulses with microjoule energies by tilting the intensity front of a quasi-sinusoidal intensity …

As fundamental elements, optical diodes are required for on-chip optical communications
and computing. However, it is still a challenge to realize ultracompact devices working in the …

We investigate the interaction between terahertz waves and resonant antennas with sub-
cycle temporal and λ/100 spatial resolution. Depositing antennas on a LiNbO_3 waveguide …

Multicycle THz pulse generation by optical rectification in GaP semiconductor nonlinear
material is investigated by numerical simulations. It is shown that GaP can be an efficient …

We report multicycle, narrowband, terahertz radiation at 14.8 THz produced by phase-
matched optical rectification of femtosecond laser pulses in bulk lithium niobate (LiNbO_3) …

The superposition of signal and idler pulses in dual-chirped optical parametric amplification
is proposed for the efficient generation of intensity-modulated pulses with periodic …