Quantum Optics News

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Toshiba Europe Develops the World’s First Chip-Based Quantum Key Distribution System

Toshiba Europe Ltd today announced it has developed the world's first chip-based quantum key distribution system.

22 Oct 2021

Compact Photonic Isolator may be Key to Miniaturizing Quantum Devices

Light offers an irreplaceable way to interact with our universe. It can travel across galactic distances and collide with our atmosphere, creating a shower of particles that tell a story of past astronomical events.

22 Oct 2021

Researchers Explore How Quantum Materials can be Controlled with Light

An international team with participation of the Paul Scherrer Institute PSI shows how light can fundamentally change the properties of solids and how these effects can be used for future applications.

19 Oct 2021

New Wavelength-Tunable Silicon Photon-Pair Combined with Pump Rejection Filter in a CMOS chip

Researchers have demonstrated a new wavelength-tunable, silicon photon-pair source integrated with a pump rejection filter in a single CMOS chip.

15 Oct 2021

Scientists Reveal Ultrafast Dynamics of Coupled Phonons in a Quantum Material

Materials consisting of a few atomic layers display properties determined by quantum physics. In a stack of such layers, vibrations of the atoms can be triggered by infrared light.

13 Oct 2021

Researchers Explore the Coherent Control of Longitudinal Optical Phonons Using Polarized Light

The quantum behavior of atomic vibrations excited in a crystal using light pulses has much to do with the polarization of the pulses, say materials scientists from Tokyo Tech.

11 Oct 2021

CCNY Scientists Report Breakthrough in Phonon-Polaritons Propagation

In a new study by researchers from the City College of New York (CCNY), a novel method to unite two different states of matter has been reported.

11 Oct 2021

A Direct Link Found Between Light Emission and Quantum Entanglement

A new series of studies led by researchers from Tel Aviv University, the Technion and MIT has found that some properties of light waves emitted from particles depend on the wave properties of the emitting particles.

6 Oct 2021

Lead-Vacancy Centers in Diamond Could Function as Quantum Nodes, Finds Study

A missing carbon atom in the crystal lattice creates a so-called defect or “vacancy,” which is where the color in a diamond arises.

4 Oct 2021

Study Demonstrates Nontrivial Phases of Matter in Optically Generated Polariton Lattices

Researchers from Skoltech and the University of Southampton, U.K., used all-optical methods to create an artificial lattice whose nodes house polaritons - quasiparticles that are half-light and half-matter excitations in semiconductors.

1 Oct 2021