نتایج جستجو برای: Four wave mixing

تعداد نتایج: 888556  

Journal: :journal of optoelectronical nano structures 0
fatemeh dehghani optoelectronic research center, electronic department of shiraz university of technology. farzin emami optoelectronic research center, electronic department of shiraz university of technology

data transmission in optical systems and increased transmission distance capacity benefit by using optical amplification wavelength division multiplexing (wdm) technology. the combination of four waves (fwm) is a non-linear effect in the wavelength division multiplex (wdm), when more than two wavelengths of light in a fiber launch will occur. fwm amount depends on the channel, the channel spaci...

Journal: :international journal of nano dimension 0
a. bahari department of physics, lorestan university, lorestan, iran f. rahimi moghadam department of physics, lorestan university, lorestan, iran

we will present a detailed investigation of intersubband transitions process in core-multi shells quantum dots. the confined wave functions and eigenenergies of electrons in quantum dots have been calculated under the effective-mass approximation by solving a three-dimensional schrodinger equation. excellent dependence is found between size effects, time relaxation and degenerate four wave mixi...

Journal: :Optics express 2012
Hyunmin Kim Garnett W Bryant Stephan J Stranick

We report on the development of a superresolution four-wave mixing microscope with spatial resolution approaching 130 nm which represents better than twice the diffraction limit at 800 nm while retaining the ability to acquire materials- and chemical- specific contrast. The resolution enhancement is achieved by narrowing the microscope's excitation volume in the focal plane through the combined...

2010
Yanpeng Zhang Zhiguo Wang Huaibin Zheng Chenzhi Yuan Changbiao Li Keqing Lu Min Xiao

Yanpeng Zhang,1,* Zhiguo Wang,1 Huaibin Zheng,1 Chenzhi Yuan,1 Changbiao Li,1 Keqing Lu,1 and Min Xiao2,† 1Key Laboratory for Physical Electronics and Devices of the Ministry of Education & Shaanxi Key Lab of Information Photonic Technique, Xi’an Jiaotong University, Xi’an 710049, China 2Department of Physics, University of Arkansas, Fayetteville, Arkansas 72701, USA (Received 10 November 2009;...

Journal: :Optics Letters 2021

We consider a topological Floquet insulator realized as honeycomb array of helical waveguides imprinted in weakly birefringent medium. The system accounts for four-wave mixing occurring at series resonances arising due to phase matching. Under these resonant conditions, the sustains stable linearly polarized and metastable elliptically two-component edge solitons. Coupled nonlinear equations de...

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