Quasi-phase-matching is a technique in nonlinear optics which allows a positive net flow of energy from the pump frequency to the signal and idler frequencies...

achieve phase-matching conditions. The other method is quasi-phase-matching. In this method the frequencies involved are not constantly locked in phase with...

interactions a quasi-phase-matching crystal type will be required, for example periodically poled lithium niobate (PPLN). Since phase-matching process basically...

a high yield variety Quantitative phase contrast microscopy, a group of microscopy methods Quasi-phase-matching, a technique in nonlinear optics Queen's...

domain-engineered lithium niobate crystal, used mainly for achieving quasi-phase-matching in nonlinear optics. The ferroelectric domains point alternatively...

desired wavelength of operation. The structure is designed to achieve quasi-phase-matching (QPM) in the material. Periodically poled crystals are frequently...

Nonlinear photonic crystals are usually used as quasi-phase-matching materials. They can be one-dimensional, two-dimensional or three-dimensional. Broadly...

the OPO system. If the nonlinear optical crystal cannot be phase-matched, quasi-phase-matching (QPM) can be employed. This is accomplished by periodically...

difference frequency generation. The interactions in PPKTP are based upon quasi-phase-matching, achieved by periodic poling of the crystal, whereby a structure...

Quasar Quasi-invariant measure Quasi-periodic oscillation Quasi-phase-matching Quasi-satellite Quasi-solid Quasi-star Quasi-steady state cosmology Quasi Fermi...

with arbitrary period, which satisfies the condition necessary for quasi-phase-matching. Periodic poling is used for efficient frequency-doubling in optical...

account the relaxation time and group velocity mismatch, found the quasi-phase-matching conditions for slow and fast modes in 3D photonic crystals. He has...

Xiaoming; He, Chao; Long, Xifa (October 2018). "Mg 3 B 7 O 13 Cl: A New Quasi-Phase Matching Crystal in the Deep-Ultraviolet Region". Advanced Functional Materials...

(non-critical phase matching) for frequency conversion of CW and quasi CW radiation OPO (Optical parametric oscillator) of both Type 1 and Type 2 phase-matching U...

These include filters, power dividers, directional couplers, impedance matching networks, and choke circuits to deliver biasing to active components. The...

overlapping decagons are 'quasi-unit cells' analogous to the unit cells from which crystals are constructed, and the matching rules maximize the density...

double-clad fiber. The matching of active and passive fibers can be optimized in several ways. The easiest method for matching the signal carrying light...

in a single-ended amplifier. However, the push–pull amplifier requires a phase-splitting component that adds complexity and cost to the system; use of...

dispersion Quasi-birth–death process Quasi-experiment Quasi-experimental design – see Design of quasi-experiments Quasi-likelihood Quasi-maximum likelihood...

the phase matching function of a 'thick' crystal). Spatially encoded arrangement for SPIDER (SEA-SPIDER) is a variant of SPIDER. The spectral phase of...

At cooling, they undergo a quasi-martensitic transformation from body-centered cubic to body-centered tetragonal phase; the transformation does not...

and phase-type distributions. Methods to fit a phase type distribution to data can be classified as maximum likelihood methods or moment matching methods...

of the filaments. In supercritical filaments, observations have revealed quasi-periodic chains of dense cores with spacing comparable to the filament inner...

outlook on clinical trials also leads to greater likelihood of enrolling. Matching involves a systematic comparison of a patient's clinical and demographic...

better option for crystal phase identification, provided that the peak resolution is good enough. However, lattice matching algorithms are still better...

being the additional values. This architecture is important because it is quasi-delay-insensitive. Scott C. Smith and Jia Di developed an ultra-low-power...

holograms: Section 4.3.1  can only be reconstructed using a laser or a quasi-monochromatic source, but a particular type of transmission hologram, known...

dust grains with no matching line emission from gas. Interstellar dust grains re-emit the energy they absorb from starlight as quasi-blackbody emission...

width, allowing light emission at chosen wavelengths, which makes possible matching to the wavelengths most efficiently transmitted through optical fibers...

short of the 11% maximum. However, matching does not work so well when there are correlations between the bit and phase errors, such as with depolarizing...