Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 8 of 8 for “"Third-Order Nonlinearity"”.
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Third Order Nonlinearity In III-Nitride Microwave Switches
… Intermodulation distortions occur due to device nonlinearity when multiple input frequencies produce undesired output signals. 3rd order intermodulation product is very important because it occurs in the frequency range close to that of fundamental signals and is impossible to filter out. The …
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Terahertz laser frequency combs : devices and applications
… of the Fabry-Perot cavity are synchronized by third order nonlinearity. With proper dispersion engineering, we have shown that it is possible to create QCL frequency combs at terahertz wavelengths, which possess broadband coverage in a compact package. These QCL combs are particularly …
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Nonlinear photonics with applications in lightwave communications
… mirror (NOLM), with consideration focused on the third order nonlinearity. Silicon is considered to be one of the most attractive materials for photonics integrated circuit technology (PIC) due to its compatibility with complementary metal oxide semiconductor (CMOS). As such, the method has been …
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Investigation of general-purpose computing on graphics processing units and its application to the finite element analysis of electromagnetic problems
… (DGTD) methods show good acceleration results. Third, the element-level parallelization framework is further adapted to the acceleration of nonlinear DGTD algorithm, which has potential applications in the field of optics. The proposed nonlinear DGTD algorithm describes the third-order …
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Silica Microspheres Functionalized with Self-assembled Nanomaterials
… such as gain, plasmonic resonance, and second-order nonlinearity. Silica possesses third order nonlinearity but cannot produce second order nonlinearity, plasmonic resonances, or fluorescence emission. The key to overcome this deficiency is to develop versatile methods that can functionalize …
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Ultrafast terahertz spectroscopy and control of collective modes in semiconductors
… of control of the electron dynamics using third-order nonlinearity were also carried out in solid state and gaseous media. In particular, we have experimentally verified the THz coherent control in air-breakdown plasmas and have demonstrated the ability to induce quantum-interference …
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Design of indoor communication infrastructure for ultra-high capacity next generation wireless services
… lasers they use are susceptible to high-order nonlinear behaviour, which abruptly limits performance at high powers. Existing measures of dynamic range, such as SFDR, assume only third-order nonlinearity and so become inaccurate in the presence of dominant high-order effects. An …
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Optical properties and thermal conductivity of resistive Au nanogranular films
… film. As a result of switch activation, the third-order nonlinearity of the nanogranular Au films was enhanced. This property of the switch-activated films can be used for modulation of light intensity and polarisation for complex nonlinear activation functions in neuromorphic systems. The …