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Broadband second-harmonic generation in an x-cut lithium tetraborate whispering gallery mode resonator
Lithium tetraborate (LB4) is a nonlinear crystal that has very low optical absorption in the visible and ultraviolet range. Hence, it …
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Broadband second-harmonic generation in an x-cut lithium tetraborate whispering gallery mode resonator
Multichannel upconversion of terahertz radiation in an optical disk resonator
Second-order nonlinear optical processes allow the conversion of electromagnetic signals to a higher frequency domain. Such so-called …
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Multichannel upconversion of terahertz radiation in an optical disk resonator
Gallium arsenide whispering gallery mode resonators for terahertz photonics
As the field of terahertz (THz) photonics advances, we present a monolithic gallium arsenide (GaAs) disk-shaped whispering gallery mode …
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Sensitivity limits of millimeter-wave photonic radiometers based on efficient electro-optic upconverters
Conventional ultra-high sensitivity detectors in the millimeter-wave range are usually cooled as their own thermal noise at room …
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