Second-harmonic generation (SHG), also known as frequency doubling, is the lowest-order wave-wave nonlinear interaction that occurs in various systems...

Harmonic generation (HG, also called multiple harmonic generation) is a nonlinear optical process in which n {\displaystyle n} photons with the same frequency...

of two-photon absorption at Bell Labs and the discovery of second-harmonic generation by Peter Franken et al. at University of Michigan, both shortly after...

High-harmonic generation (HHG) is a non-linear process during which a target (gas, plasma, solid or liquid sample) is illuminated by an intense laser...

Surface second harmonic generation is a method for probing interfaces in atomic and molecular systems. In second harmonic generation (SHG), the light...

Half-harmonic generation (also called wavelength doubling or frequency halving) is a nonlinear optical process in which photons "split" to generate pairs...

Second-harmonic imaging microscopy (SHIM) is based on a nonlinear optical effect known as second-harmonic generation (SHG). SHIM has been established...

_{1}+\hbar \omega _{2}} A special case of sum-frequency generation is second-harmonic generation, in which ω 1 = ω 2 {\displaystyle \omega _{1}=\omega _{2}}...

1st harmonic; the other harmonics are known as higher harmonics. As all harmonics are periodic at the fundamental frequency, the sum of harmonics is also...

suppression. This gives rise to undesired interference, including the generation of harmonics or intermodulation. Rusty objects that should not be in the signal-path...

system, a harmonic of a voltage or current waveform is a sinusoidal wave whose frequency is an integer multiple of the fundamental frequency. Harmonic frequencies...

naturally generated by the solar corona and artificially by plasma, high harmonic generation sources and synchrotron light sources. Since UVC extends to 100 nm...

light (or other electromagnetic radiation) to higher frequencies via harmonic generation processes, in a way that the intensity of generated light depends...

autocorrelation signal is generated by the nonlinear process of second-harmonic generation (SHG). Other techniques based on two-photon absorption may also be...

High Harmonic Generation (HHG) is a non-perturbative and extremely nonlinear optical process taking place when a highly intense ultrashort laser pulse...

equation in order to understand the generation of high-order harmonics. They first predicted the shape of the high harmonics spectrum and the phase-matching...

to impose, however it is useful for certain cases like in second harmonic generation (SHG). Here, it is always possible to permute the last two indices...

second-harmonic generation (SHG, also called frequency doubling), or sum-frequency generation which sums two non-similar frequencies. Direct third-harmonic generation...

phase transitions, extreme states of matter, laser plasmas, High harmonic generation, and also in particle physics experiments. Also some animals, notably...

applications. High harmonic generation (HHG) is a nonlinear process where intense laser radiation is converted from one fixed frequency to high harmonics of that...

Second-harmonic generation (SHG), or frequency doubling, generation of light with a doubled frequency (half the wavelength) Third-harmonic generation (THG)...

isolated-attosecond light pulses (generated by the non-linear process of high harmonic generation in a noble gas) (2004, 2006), which have given birth to the field...

output will only contain even harmonics. This is because the currents which would generate the fundamental and the odd harmonics in this circuit are canceled...

as nonlinear optical materials. They are more efficient at second-harmonic generation than crystals of the same material without periodic structure. The...

also occurs on metal surfaces by similar effect as surface second harmonic generation. The effect is however influenced e. g. by nonequilibrium electron...

probe force microscopy (KFM) and the electric-field induced second harmonic generation. In the semiconductor industry, Cross-Bridge Kelvin Resistor(CBKR)...

seed can be produced by more conventional means, such as by high harmonic generation (HHG) using an optical laser pulse. This results in coherent amplification...

laser source appeared green, which suggests the presence of second harmonic generation in the retina. Lynch, David K.; Livingston, William Charles (2001)...

the nonlinearly-generated signal amplitude in the case of second harmonic generation, where a strong pump at ω 1 {\displaystyle \omega _{1}} produces...

two-photon-based lithography. Using two-photon fluorescence and second-harmonic generation–based microscopy, it was shown that organic porphyrin-type molecules...