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Quantum world-first: researchers can now tell how accurate two-qubit calculations in silicon really are

For the first time ever, researchers have measured the fidelity – that is, the accuracy – of two-qubit logic operations…

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Better Microring Sensors for Optical Applications

Tweaking the design of microring sensors enhances their sensitivity without adding more implementation complexity.

The microring resonator is coupled to a waveguide with an end mirror that partially reflects light, which

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PolyU develops a high-efficiency, high-quality ultra-precision polishing technology for different kinds of freeform surfaces

The technology can thus be applied to most of the freeform products, including products with various complex curved desi…

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Sculpting Super-Fast Light Pulses: NIST Nanopillars Shape Light Precisely for Practical Applications

Controlling the properties of ultrafast light pulses is essential for sending information through high-speed optical cir…

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University of Copenhagen researchers realize new platform for future quantum computer

One of the greatest challenges for researchers worldwide is to develop qubits that are stable enough to allow a computer…

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The first laser radio transmitter

Researchers transmit data via a semiconductor laser, opening the door to ultra-high-speed Wi-Fi

The research opens the door to new types of hybrid electronic-photonic devices and is the first step toward ultra-high-s…

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HKUST Physicist Contributes to New Record of Quantum Memory Efficiency Bringing Quantum Computers Closer to Reality

The team created such a quantum memory by trapping billions of rubidium atoms into a hair-like tiny space – those atoms…

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Semiconductor scientists discover effect that was thought impossible

The physicists found that it is possible to achieve superinjection with just one material. What is more, most of the kno…

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Breakthrough research to revolutionise internet communication

The internet is powered by lasers. Every email, cell phone call and website visit is encoded into data and sent around t…

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New family of glass good for lenses

The researchers invented a new family of zinc germanosilicate glass that has a high refractive index comparable to that…

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This compact and cheap lidar could steer small autonomous vehicles

Researchers at KTH have taken aim at the key component of lidar, optical beam-stearing, and developed a device that is s…

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News and Views on optical manipulation

Understanding the dynamics of massive mesoscopic objects levitated in high vacuum is among the most exciting recent area…

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Optical tweezers achieve new feats of capturing atoms

Lone atoms are a potential building block for harnessing quantum physics. If researchers can capture and control these t…

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‘Optical tweezer’ takes Nobel concept in a new direction

In a paper in Nature Photonics, they describe trapping nanoparticle-sized silica beads with an optical tweezer in a vacu…

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A laser helps shrink atomic clocks and improve their performance

A new ultra-efficient laser paves the way for new applications using miniature atomic clocks.

The international team has discovered an exceptionally efficient and robust microcomb based on a unique wave type called…

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Quantum physicists succeed in controlling energy losses and shifts

Achievement can be applied to speed up quantum computers and design new quantum technological devices

The key to the new observation was that dissipation, and hence the energy shift, can be turned on and off. Control of su…

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New integrated photonics concept to enhance wavelength conversion

In order to generate 775-nm-wavelength light with a 1550-nm-wavelength pump, the researchers designed a semi-nonlinear w…

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The taming of the light screw

This strong-field phenomenon converts many low-energy photons from an intense laser pulse into a photon of much higher e…

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Measuring tunneling time – physicists solve great mystery of the quantum world

In a first, experiments conducted by the Griffith research team using ultra short pulses of light and atomic hydrogen in…

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Optical Clocks Started the Calibration of the International Atomic Time

Researchers in NICT and LNE-SYRTE operated their strontium optical lattice clocks independently from December 2 to 12 an…

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