Enhancement of nonlinear optical parameters upon phase transition ...

The static refractive index and the nonlinear refractive index are found to be increased with annealing. The significant increase in 3rd order ...

Phase Transitions and Nonlinear Optical Property Modifications in ...

Phase transitions can change the crystal structure and modify the physical properties of crystals. In this work, we investigate the phase ...

Concentration-dependent enhancement of nonlinear optical ...

The nonlinear absorption coefficient increases with an increase in the concentration of nano colloids. The reported high nonlinear response is ...

Plasmonic enhancement of the third order nonlinear optical ...

1(b), Q∼20and a large nonlinear index characteristic of chalcogenide glass n2=10−13cm2/W, the required switching intensity is then on the order of ˉIπ~1.6×109W/ ...

Non-equilibrium phase transitions in coupled nonlinear optical ...

We experimentally demonstrate such a spectral phase transition in time-multiplexed coupled optical parametric oscillators. We switch the nature ...

Controllable enhanced linear and nonlinear optical characteristics ...

Controllable enhanced linear and nonlinear optical characteristics induced by PT-like phase transition ... Abstract. We propose a non-Hermitian optical model to ...

Enhancement of third order nonlinear optical responses via ...

The two-photon absorption phenomenon has a significant enhancement effect on the nonlinear absorption process, but the nonlinear refractive ...

Observation of distinct phase transitions in a nonlinear optical Ising ...

Our experimental results are corroborated by a numerical simulation based on the Monte Carlo Metropolis-Hastings algorithm, and the physical ...

Optimization of linear and nonlinear optical parameters of ...

... The increase in the nonlinear susceptibility may be due to the enhanced irradiation induced interactions between the fragments which increased the ...

Spectral phase transitions in optical parametric oscillators - NCBI

This abrupt change in the spectral response follows a square-root dependence around the critical point, exhibiting high sensitivity to parameter ...

Phase Transitions, Dielectric Response, and Nonlinear Optical ...

AZR+ cation is highly disordered in the cubic phase. Upon transitions to the low-temperature (LT) phases, there are two major structural ...

Nonlinear optics - Wikipedia

Nonlinear optics (NLO) is the branch of optics that describes the behaviour of light in nonlinear media, that is, media in which the polarization density P ...

Tunable phase transition temperature and nonlinear optical ...

Recently, plenty of organic–inorganic hybrids have been reported. However, low phase transition temperature and limited properties restrict their applications.

Nonlinear Optics, Refractive Index and Infrared Modulation

Upper limits are derived on the magnitudes of several key intersubband transition-induced nonlinear processes. It is shown that for both electrooptic and all- ...

Nonlinear optics of two‐dimensional transition metal dichalcogenides

As discussed above, the NLO of TMDs is dependent on the layer numbers, symmetry, crystal orientation, phases, defects, and excitonic effects.

Linear and nonlinear optical probe of the ferroelectric-like phase ...

Temperature-dependent SHG measurements in combination with Raman spectroscopy indicate a continuous order-disorder type polar phase transition ...

Thickness-dependent optical properties and nonlinear refractive ...

To evaluate their potential applications for all-optical ultrafast switching devices, we report the effect of In alloying on the nonlinear refractive index and ...

Nonlinear Optical Properties Tuning in Meso-Tetraphenylporphyrin ...

Their nonlinear absorption and refraction properties were studied using the Z-scan technique in the picosecond (ps) and nanosecond (ns) regimes.

Phase-change-driven tuning of linear and nonlinear optical ... - OUCI

Phase-change-driven tuning of linear and nonlinear optical properties of Te/As2Se3 bilayer thin films for optoelectronic applications · List of references.

Subwavelength nonlinear phase control and anomalous ... - Nature

In recent years, increasing attention has been focused on their nonlinear optical properties, particularly in the context of second and third ...