Search results for photonics and optics

Optics & Photonics Nov 29, 2021

Researchers propose a simpler design for quantum computers

Today's quantum computers are complicated to build, difficult to scale up, and require temperatures colder than interstellar space to operate. These challenges have led researchers to explore the possibility of building quantum ...

General Physics Nov 29, 2021

Möbius strip microlasers for non-Euclidean photonics applications

Photonics is a branch of technology development that specializes in the creation of devices that can generate, detect or manipulate light. Recently, researchers at Université Paris-Saclay coined a new term for a new photonics ...

Optics & Photonics Nov 24, 2021

On-chip frequency shifters in the gigahertz range could be used in next generation quantum computers and networks

The ability to precisely control and change properties of a photon, including polarization, position in space, and arrival time, gave rise to a wide range of communication technologies we use today, including the Internet. ...

Optics & Photonics Nov 22, 2021

New device modulates visible light—without dimming it—with the smallest footprint and lowest power consumption

Over the past several decades, researchers have moved from using electric currents to manipulating light waves in the near-infrared range for telecommunications applications such as high-speed 5G networks, biosensors on a ...

Optics & Photonics Nov 1, 2021

A superconducting silicon-photonic chip for quantum communication

Integrated quantum photonics (IQP) is a promising platform for realizing scalable and practical quantum information processing. Up to now, most of the demonstrations with IQP focus on improving the stability, quality, and ...

Optics & Photonics Oct 22, 2021

The optical pairing helping to speed up and secure wireless communications

Han and Leia. George and Amal. Kermit and Miss Piggy. Gomez and Morticia. History's greatest couples rely on communication to make them so strong their power cannot be denied.

Optics & Photonics Oct 21, 2021

A traffic light for light-on-a-chip

Integrated photonics allow us to build compact, portable, low-power chip-scale optical systems used in commercial products, revolutionizing today's optical datacenters and communications. But integrating on-chip optical gain ...

Optics & Photonics Oct 21, 2021

Chip-based optical tweezers levitate nanoparticles in a vacuum

Researchers have created tiny chip-based optical tweezers that can be used to optically levitate nanoparticles in a vacuum. Optical tweezers—which employ a tightly focused laser beam to hold living cells, nanoparticles ...

Optics & Photonics Oct 15, 2021

Ultrafast optical switching can save overwhelmed datacenters

EPFL and Microsoft Research scientists demonstrated ultrafast optical circuit switching using a chip-based soliton comb laser and a completely passive diffraction grating device. This particular architecture could enable ...

Quantum Physics Sep 30, 2021

Optically generated quantum fluids of light reveal exotic matter-wave states in condensed matter physics

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

page 34 from 40