Organic π‐conjugated crystals with second‐order optical nonlinearity are considerably
attractive materials for diverse terahertz (THz) wave photonics. An overview of the research …

Organic crystals with second-order optical nonlinearity feature very high and ultra-fast
optical nonlinearities and are therefore attractive for various photonics applications. During …

Broadband THz pulses have been generated in 2-[3-(4-hydroxystyryl)-5, 5-dimethylcyclohex-
2-enylidene] malononitrile (OH1) by optical rectification of sub-picosecond laser pulses. We …

Coherent tunable terahertz (THz) waves have great potential for frequency-domain
spectroscopy and THz-imaging applications. Difference-frequency generation (DFG) using …

We report the full characterization of a new organic nonlinear optical (NLO) crystal for
intense THz generation: PNPA ((E)-4-((4-nitrobenzylidene) amino)-N-phenylaniline). We …

We present a compact, room temperature, and narrowband terahertz source, based on
difference-frequency generation in the organic nonlinear optical crystals OH1 (2-[3-(4 …

Highly efficient nonlinear optical organic crystals are very attractive for various photonic
applications including terahertz (THz) wave generation. Up to now, only two classes of ionic …

Direct study and control of material properties using terahertz (THz) frequency pulses is an
emerging subject with strong potential for future applications. One aspect of the …

Widely tunable terahertz (THz)-wave generation using difference frequency generation
(DFG) in an organic N-benzyl-2-methyl-4-nitroaniline (BNA) crystal was demonstrated. To …

A data mining approach to discover and develop new organic nonlinear optical crystals that
produce intense pulses of terahertz radiation is demonstrated. The Cambridge Structural …