Articles tagged with Cavity Resonators
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Scientists from University of Innsbruck successfully created hot Schrödinger cat states at temperatures up to 1.8 Kelvin, challenging the notion that high temperature destroys quantum effects. This breakthrough opens new opportunities for quantum technologies in warmer environments.
Harvard researchers have created a photon router that could plug into quantum networks to create robust optical interfaces for noise-sensitive microwave quantum computers. The breakthrough enables control of microwave qubits with optical signals generated many miles away, bridging the energy gap between microwave and optical photons.
A team of Rice University scientists has developed a coating that suppresses thermal emissions from hot windows while remaining transparent enough to capture thermal radiation from objects behind the window. This breakthrough enables clear thermal imaging at high temperatures, with potential applications in industries such as chemical ...
A new deep learning-based inverse design method allows for the optimization of complex acoustic metamaterials, reducing noise pollution while maintaining ventilation. The approach enables ultra-broadband sound attenuation across various peak frequencies.
Bound states in the continuum (BICs) provide a generalized approach to achieve extremely high-Q resonant cavities. BICs offer powerful mechanisms for enhancing light-matter interactions and have been explored in various photonic structures over the past few decades.
Researchers have developed an innovative approach to efficiently manipulate topological edge states for optical channel switching. By exploiting the finite-size effect in a two-unit-cell optical lattice, they achieved dynamic control over topological modes and demonstrated robust device performance.
A team from Nanjing University and Sun Yat-Sen University developed a two-facing Janus OPO scheme for generating high-efficiency, high-purity broadband LG modes with tunable topological charge. The output LG mode has a tunable wavelength between 1.5 μm and 1.6 μm, with a conversion efficiency above 15 percent.
The researchers developed a method to create ultracompact photonic crystal cavities that can generate entangled photons. The discovery is crucial for the development of quantum computing and sensing applications. By controlling the cavity's properties, they can efficiently convert pump power into coherent light.
A South Korean research team has successfully searched for Dine-Fischler-Srednicki-Zhitnitskii (DFSZ) axion dark matter using a new experimental setup. The group achieved a higher sensitivity than existing experiments, excluding axion dark matter around 4.55 µeV at DFSZ sensitivity.
Researchers from Nanjing University have proposed the first scheme to practically generate N-photon states deterministically using a lithium-niobate-on-insulator platform. The scheme involves deterministic parametric down-conversion and demonstrates feasibility for generating multiphoton qubit states.
Researchers have demonstrated a power-efficient component for demultiplexing operation using silicon photonic MEMS, enabling efficient wavelength demultiplexing for fiber-optic communications. The compact footprint of the add-drop filter allows fast operation compared to established MEMS products.
Australian researchers have engineered a quantum box for polaritons in a two-dimensional material, achieving large polariton densities and a partially 'coherent' quantum state. The novel technique allows researchers to access striking collective quantum phenomena and enable ultra-energy-efficient technologies.
Researchers successfully demonstrate room-temperature multiband microlasers spanning a large wavelength range using rare earth elements. The lasing process combines downshifting and upconversion, expanding the emission wavelength range. The resulting microlasers exhibit good intensity stability and are suitable for practical applications.
Physicists have narrowed the axion mass range to 40-180 micro-eV using advanced simulations and supercomputer power. This new estimate suggests that the most common type of experiment to detect axions won't be able to detect them, regardless of tuning.
A new coating of niobium-tin (Nb3Sn) has shown promise for reducing the cost of operating superconducting radio-frequency cavity resonators. The material could allow for operation at lower temperatures and withstand higher electromagnetic fields, saving millions in construction and electricity costs.
Researchers at Max Planck Institute and Munich University have successfully trapped individual photons in a resonator, achieving a milestone in quantum physics. The experiment demonstrates Planck's oscillators, predicting the existence of photons over 100 years ago.