# osa third order nonlinear optical susceptibility of

### Third order nonlinear optical susceptibility of Cu Al2O3

The third-order nonlinear optical susceptibility is found to be 4.646 10−11 esu and also the figure of merit is 2.01 10−12 esu m. The optical limiting threshold which is found to be 0

Get Price### Third-order nonlinear optical response of Yb YAG ceramics

Dec 01 2019 · Here we investigated the third-order nonlinear susceptibility of high quality transparent Ytterbium-doped Yttrium Aluminium Garnet (Yb YAG) ceramics. Under an ultrafast femtosecond laser irradiation we experimentally demonstrated the nonlinear optical limiting and self-focusing behaviors of Yb YAG ceramic by Z-scan method at 800 nm.

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Nonlinear all-optical technology is an ultimate route for the next-generation ultrafast signal processing of optical communication systems. New nonlinear functionalities need to be implemented in photonics and complex oxides are considered as promising candidates due to their wide panel of attributes. In this context yttria-stabilized zirconia (YSZ) stands out thanks to its ability to be

Get Price### Third-order nonlinear optical susceptibility of a donor in

The optical properties of a donor in anisotropic quantum dots with elliptical shape are investigated. Calculations are performed by using the variational method and the compact-density-matrix approach within the effective mass approximation. We have investigated the effects of the geometrical size and the degree of anisotropy on the oscillator strength and the third-order susceptibility of

Get Price### Third order nonlinear optical susceptibility of Cu Al2O3

the third order nonlinear optical susceptibility at the SPR are greatly enhanced the latter achieving values as high as 1.831027 esu. These results are discussed in terms of multipolar interactions among particles and giant local resonance effects that appear as a consequence of the particle

Get Price### Third-order nonlinear optical response of Yb YAG ceramics

Dec 01 2019 · Here we investigated the third-order nonlinear susceptibility of high quality transparent Ytterbium-doped Yttrium Aluminium Garnet (Yb YAG) ceramics. Under an ultrafast femtosecond laser irradiation we experimentally demonstrated the nonlinear optical limiting and self-focusing behaviors of Yb YAG ceramic by Z-scan method at 800 nm.

Get Price### Third-Order Nonlinear Optical Susceptibilities of

the formalism for investigating the effective third-order nonlinear optical susceptibility for NDFWM and THG. In section IV numerical results are presented under different conditions. This paper ends with a conclusion in section IV. II. Formalism First we consider a nonlinear composite system in which

Get Price### The third-order nonlinear optical susceptibility of gold

The third-order nonlinear optical susceptibility of gold Robert W. Boyda b c d n Zhimin Shie Israel De Leonc a The Institute of Optics University of Rochester Rochester NY 14627 USA b Department of Physics and Astronomy University of Rochester Rochester NY 14627 USA c Department of Physics and School of Electrical Engineering and Computer Science University of Ottawa Ottawa Canada

Get Price### Third-order nonlinear optical susceptibility of a donor in

Jan 01 2013 · In order to study the nonlinear optical anisotropy a numerical calculation for the third-order susceptibility of THG of a donor in a two-dimensional anisotropic QD has been performed as a function of the incident photon energy ℏ ω for three different values of the degree of anisotropy i.e. ω x / ω y = 1 4 and 9 respectively.In Fig. 2 the dot size R is set to be 8.0 nm.

Get Price### Third-order nonlinear optical susceptibility of a donor in

Jan 01 2013 · In order to study the nonlinear optical anisotropy a numerical calculation for the third-order susceptibility of THG of a donor in a two-dimensional anisotropic QD has been performed as a function of the incident photon energy ℏ ω for three different values of the degree of anisotropy i.e. ω x / ω y = 1 4 and 9 respectively.In Fig. 2 the dot size R is set to be 8.0 nm.

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Apr 01 2013 · Fig. 2 shows the third-order nonlinear optical susceptibility χ (3) as a function of the incident photon energy ℏω for the light- and heavy-hole excitons. In Fig. 2 the dot size R is set to be 6.0 nm. The solid line dashed line and dotted line represent the module real part and imaginary part of χ (3) respectively.It is obvious that there is a maximum peak value for the light-hole

Get Price### Third order nonlinear optical susceptibility of Cu Al2O3

The third-order nonlinear optical susceptibility is found to be 4.646 10−11 esu and also the figure of merit is 2.01 10−12 esu m. The optical limiting threshold which is found to be 0

Get Price### OSA Complex third-order nonlinear optical susceptibility

In addition we succeeded in obtaining the complex third-order nonlinear susceptibility χ(3) spectrum near the energy band edge of the CdS film by comparing the experimental result and the result of the Mie calculation that considered the optical Kerr effect of the CdS. At ħωi = 2.43 eV the χ(3) of the CdS was (1.1 i0.6) 10−17m2/V2.

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The third order nonlinear optical susceptibilities of cast films of diacetylene-containing polyamides copolyamides and polyesters were measured using degenerate four-wave mixing with picosecond pulses at 532 nm. The blue films of polyamides which contain aromatic polydiacetylene had χ(3) values of the order of 10-9–10-10 esu while the orange films of polyesters having aliphatic

Get Price### Exploring the optoelectronic and third-order nonlinear

Jan 05 2021 · In the present investigation we use a dual computational approach (at single molecular and solid-state levels) to explore the optoelectronic and nonlinear optical (NLO) properties of cross-shaped derivatives. The solid-state electronic band structures of the compounds 1–3 (the derivatives of tetracarboxylic acid in cross-shaped having the core of benzene (1) pyrazinoquinoxaline (2) and

Get Price### Third order nonlinear optical susceptibility of films of

The third order nonlinear optical susceptibilities of cast films of diacetylene-containing polyamides copolyamides and polyesters were measured using degenerate four-wave mixing with picosecond pulses at 532 nm. The blue films of polyamides which contain aromatic polydiacetylene had χ(3) values of the order of 10-9–10-10 esu while the orange films of polyesters having aliphatic

Get Price### Third-order nonlinear optical susceptibility and

Apr 01 2013 · Fig. 2 shows the third-order nonlinear optical susceptibility χ (3) as a function of the incident photon energy ℏω for the light- and heavy-hole excitons. In Fig. 2 the dot size R is set to be 6.0 nm. The solid line dashed line and dotted line represent the module real part and imaginary part of χ (3) respectively.It is obvious that there is a maximum peak value for the light-hole

Get Price### The third-order nonlinear optical susceptibility of gold

The third-order nonlinear optical susceptibility of gold. Boyd Robert W. Shi Zhimin. De Leon Israel. Abstract. We critically analyze reported measured values of the third-order nonlinear optical susceptibility χ of bulk gold. Reported values of this quantity span a

Get Price### Third order nonlinear optical susceptibility of Cu Al2O3

The third order optical susceptibility of metal-dielectric nanocomposite films (Cu Al 2 O 3) has been determined by degenerate four wave mixing. The films have been synthesized by alternate pulsed laser deposition and consisted of Cu nanoparticles in an amorphous Al 2 O 3 matrix. They have metal volume fractions p ranging from 0.07 to 0.45 and morphologies that range from spherical

Get Price### Nonlinear Optical Susceptibilityan overview

Nonlinear optics involves interaction of a number ( σ >2) of optical waves in a medium with a nonlinear-optical susceptibility tensor χ σ − 1. For inelastic optical processes these waves (each with an angular frequency ω1 ω2 ωσ) obey two conservation conditions one

Get Price### Third-order nonlinear optical susceptibility of polymers

The third-order nonlinear optical susceptibility (χ <3> ) of poly(N-vinylcarbazole) (PVK) and two other modified polymers based on carbazole derivatives has been measured by degenerate four-wave mixing at 532 nm in a tetrahydrofuran solution. The polymer exhibits large third-order nonlinear optical susceptibility (χ <3>) values.

Get Price### Third order nonlinear optical susceptibility of Cu Al2O3

The third order optical susceptibility of metal-dielectric nanocomposite films (Cu Al 2 O 3) has been determined by degenerate four wave mixing. The films have been synthesized by alternate pulsed laser deposition and consisted of Cu nanoparticles in an amorphous Al 2 O 3 matrix. They have metal volume fractions p ranging from 0.07 to 0.45 and morphologies that range from spherical

Get Price### The third-order nonlinear optical susceptibility of gold

The third-order nonlinear optical susceptibility of gold. Boyd Robert W. Shi Zhimin. De Leon Israel. Abstract. We critically analyze reported measured values of the third-order nonlinear optical susceptibility χ of bulk gold. Reported values of this quantity span a

Get Price### Third-order nonlinear optical susceptibility of a donor in

Jan 01 2013 · In order to study the nonlinear optical anisotropy a numerical calculation for the third-order susceptibility of THG of a donor in a two-dimensional anisotropic QD has been performed as a function of the incident photon energy ℏ ω for three different values of the degree of anisotropy i.e. ω x / ω y = 1 4 and 9 respectively.In Fig. 2 the dot size R is set to be 8.0 nm.

Get Price### OSA Measurement of third-order nonlinear optical

Diamonds are wide-gap semiconductors possessing excellent physical and chemical properties thus they are regarded as very appropriate materials for optoelectronic devices. Based on the Kerr effect we introduce a simple and feasible method for measuring the third-order nonlinear optical susceptibility of synthetic diamonds. In the experiments synthetic type I diamond samples and transverse

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The third-order nonlinear optical susceptibility (χ〈3〉) of poly(N-vinylcarbazole) (PVK) and two other modified polymers based on carbazole derivatives has been measured by degenerate four-wave mixing at 532 nm in a tetrahydrofuran solution. The polymer exhibits large third-order nonlinear optical susceptibility (χ〈3〉) values. The calculated χ〈3〉 value for the copolymer 3-(2

Get Price### Calculation of third-order non-linear optical

Calculation of third-order non-linear optical susceptibility of metaloxide crystals

Get Price### OSA Z-scan investigation to evaluate the third-order

The Z-scan study demonstrates the positive nonlinear n2 due to the self-focusing effect and the two-photon absorption for nonlinear absorption. These results imply the effect of lateral dimensions of sheets in cauliflower-like structures on nonlinear optical responses. Also the nonlinear optical susceptibility χ(3) is as high as 10−10 (esu).

Get Price### Tailoring the Third-Order Nonlinear Optical Property of a

In this Letter we present a theoretical study on the third-order nonlinear optical absorption of a hybrid colloidal semiconductor quantum dot (SQD)–metal nanoparticle (MNP) system. We develop a novel analytic treatment based on the nonlinear density matrix equation and derive a closed-form expression for the optical susceptibility.

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