نتایج جستجو برای: microcavity laser
تعداد نتایج: 185198 فیلتر نتایج به سال:
Here, we report a theoretical detailed study of Vacuum Rabi Splitting (VRS) in the system of Nitride Single Quantum Well (SQW) within a semiconductor microcavity. Distributed Bragg Reflectors (DBRs) containing ZnTe/ZnSe multilayers including GaAs microcavity and ( SQW at the center of microcavity, has been considered. Upper and lower exciton-polariton branches obtaine...
A multimode microcavity sensor based on a self-interference microring resonator is demonstrated experimentally. The proposed sensing method implemented by recording wide band transmission spectra that consist of multiple resonant modes. It different from previous dissipative scheme, which aims at measuring the depth changes single mode in microcavity. Here, combining mechanism and machine learn...
Optical resonances of a metallically coated wave-chaotic microcavity are investigated. Mode with low-contrast quality factor and distinct field patterns demonstrated. Unlike the in dielectric chaotic-wave cavity where refractive escape leads high optical loss, hold factors low loss induced by metal dissipation. As potential application, could be used for semiconductor laser source dense modes l...
Metal halide perovskites are promising materials for optoelectronic and photonic applications ranging from photovoltaics to laser devices. However, current perovskite devices constrained simple low-dimensional structures suffering limited design freedom holding up performance improvement functionality upgrades. Here, a micro-origami technique is developed program 3D microarchitectures toward ne...
We develop a nonequilibrium model of condensation and lasing of photons in a dye filled microcavity. We examine in detail the nature of the thermalization process induced by absorption and emission of photons by the dye molecules, and investigate when the photons are able to reach a thermal equilibrium Bose-Einstein distribution. At low temperatures, or large cavity losses, the absorption and e...
We report the coexistence of low threshold lasing and strong coupling in a high-quality semiconductor microcavity under near-resonant optical pumping. A sharp laser mode splits from the lower-polariton branch and approaches the bare cavity mode frequency as the pump power increases. The lasing is produced by low density localized exciton states, which are weakly coupled to the cavity mode. The ...
We show that resonance fluorescence, i.e., the resonant emission of a coherently driven two-level system, can be realized with a semiconductor quantum dot. The dot is embedded in a planar optical microcavity and excited in a waveguide mode so as to discriminate its emission from residual laser scattering. The transition from the weak to the strong excitation regime is characterized by the emerg...
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