Search results for photonics and optics

Optics & Photonics Mar 13, 2023

High-performance photon detectors to combat spies in the quantum computing age

How can we combat data theft, which is a real issue for society? Quantum physics has the solution. Its theories make it possible to encode information (a qubit) in single particles of light (a photon) and to circulate them ...

Optics & Photonics Mar 13, 2023

Closing in on next-generation atom-thick photonic devices

From microscopes and cameras to night vision devices and optical fiber communications, photodetectors have a wide array of applications. Photodetectors capture and convert light into electrical signals but are often limited ...

Optics & Photonics Mar 10, 2023

Controlled on-chip fabrication of large-scale perovskite single crystal arrays for laser and photodetector integration

Addressable active layers are highly required in optoelectronic devices to realize functional integration and application. Metal halide perovskites have shown promising applications in optoelectronic devices due to their ...

Optics & Photonics Mar 7, 2023

Chip-scale spectrometry using a photonic molecule

Chip-scale miniaturization of spectrometers allows rapid detection of spectral information in portable devices, opening up new applications. However, integrated spectrometers typically suffer from a trade-off between spectral ...

Condensed Matter Mar 7, 2023

Coherent phonon-induced gigahertz optical birefringence realized in strontium titanate

Using ultrafast time-resolved pump detection technology, researchers led by Prof. Sheng Zhigao from the Hefei Institutes of Physical Science (HFIPS) of the Chinese Academy of Sciences have realized the gigahertz (GHz) frequency ...

Optics & Photonics Mar 6, 2023

Researchers achieve nonreciprocal frequency conversion with optical and mechanical modes

Recently, a research team led by Prof. Guo Guangcan from the University of Science and Technology of China (USTC) demonstrated nonreciprocal routing between any two modes with different frequencies through radiation pressure ...

Nanophysics Feb 23, 2023

New analysis method developed for nano and quantum materials

A slow-motion movie on sports television channels shows processes in hundredths of a second. By contrast, processes on the nanoscale take place in the so-called femtosecond range: For example, an electron needs only billionths ...

Optics & Photonics Feb 23, 2023

Writing on glass and silica indicates novel direction for chiral optical property tailoring

From fundamental physics of light-matter interaction to fabrication of targeted optical properties in highly complex optical engineering, the femtosecond (fs) laser plays a crucial role in laser manufacturing. Ultrashort ...

Optics & Photonics Feb 23, 2023

Wafer-scale nanofabrication of telecom single-photon emitters in silicon

Photonic integrated circuits, or in short, PICs, utilize particles of light, better known as photons, as opposed to electrons that run in electronic integrated circuits. The main difference between the two: A photonic integrated ...

Optics & Photonics Feb 15, 2023

Using lasers, researchers can directly control the spin of nuclei, which can encode quantum information

In principle, quantum-based devices such as computers and sensors could vastly outperform conventional digital technologies for carrying out many complex tasks. But developing such devices in practice has been a challenging ...

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