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Nature Photonics

Quantum-Entanglement
Quantum Computing

Quantum entanglement at the nanoscale

Amit Malewar

A significant step forward in the field of nonlinear optics.

Caption:Researchers demonstrated a fully integrated photonic processor
Computing

A new photonic chip for ultrafast AI computations

Amit Malewar

This new device uses light to perform the key operations of a deep neural network on a chip.

light beams carrying orbital angular momentum
Quantum Physics

A novel way to use light to give electrons a spinning kick

Amit Malewar

A light beam can reliably transfer orbital angular momentum to itinerant electrons in graphene.

high-power attosecond X-ray pulses
Physics

Researchers produced high-power attosecond hard X-ray pulses at megahertz repetition

Pranjal Malewar

Squeeze it!

Physics

Researchers designed realistic photonic time crystals

Pranjal Malewar

A breakthrough in photonic time crystals could change how we use and control light.

Dr. Frank Vewinger and Kirankumar Karkihalli Umesh filling the microresonator with the dye solution to cool the photon.
Science

Scientists create one-dimensional gas made of light

Ashwini Sakharkar

The team tested hypothetical predictions about the transition into this exotic phase for the first time.

Raju Lampande, postdoctoral researcher in Giebink’s lab, positions an OLED that leverages positive feedback to amplify the conversion of near infrared light into visible light in front of a microscope imaging system.
Technology

An OLED could replace bulky night vision goggles with lightweight glasses

Ashwini Sakharkar

An OLED for compact, lightweight night vision.

Schematic of the optical experiment: Excitation near-infrared laser (red bottom one) - excites the nanodisk fabricated from the 3R-molybdenum disulfide flake, standing on a glass substrate. The quarter-cut-section of the disk schematically shows that incident laser excites optical resonances, that’s why we see red areas which represent higher density of electromagnetic field. This localisation alongside with the crystalline lattice broken inverse symmetry allow for effective conversion of red pump laser into blue light (doubled frequency).
Science

Nanodisk with unique optical qualities advancing photonic research

Ashwini Sakharkar

A new fabrication with no loss of properties.

discrete energy level
Physics

How do surrounding atoms tune the energy of a single electron?

Amit Malewar

Quantum dance to the beat of a drum.

Glowing chip circuit hologram
Computing

New ‘unhackable’ chip enables AI computing at speed of light

Ashwini Sakharkar

The chip can accelerate the processing speed of computers and reduce their energy consumption.

o nanotechnology, molecule and atom model image.
Physics

Quantum entanglement and topology are inextricably linked

Amit Malewar

Preservation of quantum information.

non-toxic quantum dots
Quantum Technology

Non-toxic quantum dots for new high-performance image sensors

Amit Malewar

A new method for synthesizing functional high-quality non-toxic colloidal quantum dots.

Ke Chen at Purdue University displays a device for computer vision that mimics how retinal cells perceive light.
Technology

Purdue’s computer vision device mimics the human retina

Ashwini Sakharkar

The device is geared to sense change, making it more efficient than digital camera systems.

3d rendering of planet earth
Physics

First daily current measurements of changes in the Earth’s rotation

Amit Malewar

Scientists improve measurement of the earth's rotation.

Image showing Photon dance
Physics

Quantum entanglement of photons captured in real-time

Amit Malewar

Visualizing the mysterious dance.

Image showing ballpoint pen.
Invention

A simple inkjet printer can fabricate stretchable LED

Vidya Nagalwade

A pen stroke can turn perovskite into a light emitter and detector.

Image showing glowing skyscrapers illuminate the futuristic cityscape at night
Technology

Lights could be the future of the Internet and data transmission

Amit Malewar

Fast data transmissions could be delivered in homes and offices through light-emitting diodes (LEDs).

Environmental noise
Quantum Computing

A formula that predicts the effects of environmental noise on quantum information

Amit Malewar

An advancement crucial for designing and building quantum computers capable of working in an imperfect world.

Red polariton OLED
Technology

Boosting the color brilliance of OLEDs through a fundamental physical concept

Ashwini Sakharkar

New research has shown that a strong coupling of light and material increases the color brilliance of OLED displays.

Using these sensors, scientists were able to generate a secret key.
Quantum Physics

High-performance detectors with unprecedented performance to combat spies

Vidya Nagalwade

A new perspective for quantum cryptography.

Image showing laser beam
Invention

Scientists developed the first chip-scale titanium-doped sapphire laser

Ashwini Sakharkar

It provides the widest gain spectrum yet seen on a chip.

LLR was installed
Technology

New laser lightning rod to deflect lightning over several dozen meters

Ashwini Sakharkar

This experimental breakthrough will lead to progress in lightning protection and lightning physics.

on-chip photon-counting device
Quantum Computing

An on-chip photon-counting device to advance quantum technology

Pranjal Malewar

The first realization of an on-chip photon-number-resolving (PNR) detector.

a programmable, wireless spatial light modulator
Technology

New device can control light at unprecedented speeds

Pranjal Malewar

Scientists have developed a programmable optical device for high-speed beam steering.

An artistic impression of complex vectorial light passing through some distorting complex media and becoming altered in some way. The pattern of the light depicts the polarisation state. The complex media shown in the insets includes living tissue, under-water, optical fibre and transmission through the atmosphere.
Science

Light can appear undistorted while traveling through a distorted medium

Editorial Team

Light gets distorted if you pass light through an imperfect medium, such as the atmosphere. For instance, the shimmering mirage effect near hot roads...

A new kind of microcomb
Technology

A new kind of microcomb on a chip could help discover exoplanets and detect diseases

Ashwini Sakharkar

Bringing advanced applications closer to reality.

Annular holes in a thin gold film
Science

A unique process for producing a light-matter mixture

Amit Malewar

The research could also have an impact on increasing efficiency of nanoscale chemical reactions.

A scanning electron microscope (SEM) image of a terahertz quantum cascade laser (QCL) device.
Technology

A high-power, portable terahertz laser

Pranjal Malewar

The instrument could bring powerful sensing and imaging capabilities out of the lab and into hospitals, airports, or other settings.

A hollow-core optical fiber
Technology

New technology to amplify light using air

Ashwini Sakharkar

Using air to amplify light.

Lindsay Leblanc led a research team that developed a new technique for building quantum memory, which uses fast pulses of light to store and retrieve data. The new technique is simpler and uses less power than other quantum storage methods. (Photo: John Ulan)
Technology

Physicists created new, simpler-than-ever quantum hard drive for light

Amit Malewar

Physicists at the University of Alberta have built up another approach to manufacture quantum memory that could help make ready for a cutting-edge quantum...

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