Infrared (IR) nonlinear optical (NLO) materials are the key devices for generating tunable
infrared output between∼ 3 and∼ 20 μm by laser frequency conversion techniques. Based …

The pursuit of second-order nonlinear optical (NLO) materials for mid-infrared (mid-IR, 3–5
μm) applications has been a significant research frontier due to their potential in …

Intense interests in mid-infrared (MIR) nonlinear optical (NLO) crystals have erupted in
recent years due to the development of optoelectronic applications ranging from remote …

Infrared (IR) nonlinear optical (NLO) materials are the core devices to realize IR laser output,
which are of vital importance in civilian and military fields. Non‐centrosymmetric …

Two ternary non-chalcopyrite pnictide-based nonlinear optical (NLO) crystals, BaGe2P2
(BGP) and BaGe2As2 (BGA) with the non-centrosymmetric tetragonal space group P 42 mc …

Optical rectification of near-infrared laser pulses generates broadband terahertz radiation in
chalcopyrite crystals CdGeP_2, ZnGeP_2 and CdSiP_2. The emission is characterized …

We describe the evolution of ultrafast optical parametric sources for the mid-infrared (mid-IR)
based on the new birefringent nonlinear crystal, cadmium silicon phosphide, CdSiP_2 …

We introduce a concept for efficient optical parametric amplification (OPA) based on
simultaneously phase-matched idler second harmonic generation (SHG), which together …

Photon-pair creation through parametric downconversion underpins quantum technology for
quantum sensing and imaging. Here we numerically study the creation of single photons in …

We discuss a novel method for generating octave-spanning supercontinua and few-cycle
pulses in the important mid-IR wavelength range. The technique relies on strongly phase …