Quantum Optics News

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CityU Physicist Develops a Novel Quantum Theory of Light-Induced Matter, Opening the Door to Cutting-Edge Optical Technologies

A team led by a physicist from City University of Hong Kong (CityU) recently developed a new quantum theory that explains the “light-induced phase” of matter and predicts its novel functionalities.

26 Jun 2023

Leaky-Wave Metasurfaces: An Elegant Solution for Bridging Free-Space Optics and Integrated Photonics

Researchers at Columbia Engineering have developed a new class of integrated photonic devices--"leaky-wave metasurfaces"--that can convert light initially confined in an optical waveguide to an arbitrary optical pattern in free space.

9 May 2023

Polarized X-Rays from Magnetars can be Explained by a Quantum Electrodynamics Effect

A "beautiful effect" predicted by quantum electrodynamics (QED) can explain the puzzling first observations of polarized X-rays emitted by a magnetar – a neutron star featuring a powerful magnetic field, according to a Cornell astrophysicist.

5 May 2023

Achieving a Leap Forward in Microscopy Through Quantum Entanglement

Using a "spooky" phenomenon of quantum physics, Caltech researchers have discovered a way to double the resolution of light microscopes.

3 May 2023

Researchers Demonstrate Ultimate Quantum Sensitivity in the Estimation of Time Delay Between Two Photons

A team of researchers has demonstrated the ultimate sensitivity allowed by quantum physics in measuring the time delay between two photons.

27 Apr 2023

New Photon Detection System Brings Physicists a Step Closer to Photonics-Based Quantum Computing

Experts in nuclear physics and quantum information have demonstrated the application of a photon-number-resolving system to accurately resolve more than 100 photons.

27 Apr 2023

Tailor-Made Laser Light Fields can Reduce the Speed of Particles

Using lasers to slow down atoms is a technique that has been used for a long time already: If one wants to achieve low-temperature world records in the range of absolute temperature zero, one resorts to laser cooling, in which energy is extracted from the atoms with a suitable laser beam.

1 Mar 2023

This 'Harry Potter' Light Sensor Achieves Magically High Efficiency Of 200 Per Cent

Solar panels with multiple stacked cells are currently breaking records. Remarkably, a team of researchers from Eindhoven University of Technology and TNO at Holst Centre have now managed to make photodiodes - based on a similar technology - with a photoelectron yield of more than 200 percent.

21 Feb 2023

Quantum Dots with Spherical Defects Exhibit Nonlinear Optical Properties

New estimates have denoted that quantum dots with finely-tuned spherical defects can display sophisticated “nonlinear” optical properties.

13 Feb 2023

Rewinding Protocol for Reversing Certain Quantum Processes

In the world around us processes appear to follow a certain time-direction: dandelions eventually turn into blowballs. However, the quantum realm does not play by the same rules.

8 Feb 2023

Quantum Optics News

CityU Physicist Develops a Novel Quantum Theory of Light-Induced Matter, Opening the Door to Cutting-Edge Optical Technologies

Leaky-Wave Metasurfaces: An Elegant Solution for Bridging Free-Space Optics and Integrated Photonics

Polarized X-Rays from Magnetars can be Explained by a Quantum Electrodynamics Effect

Achieving a Leap Forward in Microscopy Through Quantum Entanglement

Researchers Demonstrate Ultimate Quantum Sensitivity in the Estimation of Time Delay Between Two Photons

New Photon Detection System Brings Physicists a Step Closer to Photonics-Based Quantum Computing

Tailor-Made Laser Light Fields can Reduce the Speed of Particles

This 'Harry Potter' Light Sensor Achieves Magically High Efficiency Of 200 Per Cent

Quantum Dots with Spherical Defects Exhibit Nonlinear Optical Properties

Rewinding Protocol for Reversing Certain Quantum Processes

Quantum Development in Ireland: A Conversation with John Durcan, Chief Technologist, IDA Ireland

Advancing Quantum Scalability with New Qubit Method

Modified Newtonian Dynamics and the Search for a Ninth Planet

LabOne Q: An Intuitive Software Framework for Scalable Quantum Computing

ORCA-Quest qCMOS Camera by Hamamatsu

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Repeat-Until-Success Algorithm for Quantum Gate Decomposition

Researchers Exploit the Color Centers in Diamond to Enhance Dynamic Nuclear Polarization Processes for NMR Applications

Application of Electro-Optic Phase Modulator in Pound-Drever Hall Technique for Laser Frequency Stabilization

Quantum Optics News

Quantum Development in Ireland: A Conversation with John Durcan, Chief Technologist, IDA Ireland

Advancing Quantum Scalability with New Qubit Method

Modified Newtonian Dynamics and the Search for a Ninth Planet

1First High-Res Map of Massive Explosion in NGC 4383

2Quantum Observer Paradox: Extending Measurement Disturbance

3Quantum Linear Solvers for Redundant Baseline Calibration

4Breakthrough for Next-Generation Quantum Computing

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