Search results for atomic clock

Condensed Matter Aug 19, 2021

Scientists discover crystal exhibiting exotic spiral magnetism

An exotic form of magnetism has been discovered and linked to an equally exotic type of electrons, according to scientists who analyzed a new crystal in which they appear at the National Institute of Standards and Technology ...

Optics & Photonics Aug 18, 2021

Nanostructure-based lasers for information and communication technologies

The internet of things (IoT) enables the interconnection and data transmission among a plethora of physical objects such as terminal devices, vehicles, and buildings that are embedded with electronics, software, sensors, ...

Quantum Physics Jul 14, 2021

Approaching the Heisenberg limit

A football is not a quantum particle. There are crucial differences between the things we know from everyday life and tiny quantum objects. Quantum phenomena are usually very fragile. To study them, one normally uses only ...

Space Exploration Jul 2, 2021

Researchers propose new method for absolute calibration of multi-mode satellite navigation receiver delay

Researchers from the National Time Service Center (NTSC) of the Chinese Academy of Sciences have proposed a new method to realize absolute calibration of multi-mode satellite navigation receiver delay.

General Physics Jul 1, 2021

Deep Space Atomic Clock moves toward increased spacecraft autonomy

Spacecraft that venture beyond our Moon rely on communication with ground stations on Earth to figure out where they are and where they're going. NASA's Deep Space Atomic Clock is working toward giving those far-flung explorers ...

Optics & Photonics Jun 21, 2021

New cold atom source lays groundwork for portable quantum devices

Although quantum technology has proven valuable for highly precise timekeeping, making these technologies practical for use in a variety of environments is still a key challenge. In an important step toward portable quantum ...

Quantum Physics Jun 17, 2021

Scientists achieve ultra-fast optical orbiting of nanoparticles at subdiffraction scale

Is it possible to drive nanoparticles to orbit below the light diffraction limit using a Gaussian beam? A recent joint research project reported in Nature Communications says yes.

Space Exploration Jun 11, 2021

Voyage 2050 sets sail: ESA chooses future science mission themes

ESA's large-class science missions for the timeframe 2035-2050 will focus on moons of the giant Solar System planets, temperate exoplanets or the galactic ecosystem, and new physical probes of the early universe.

Optics & Photonics Apr 26, 2021

Researchers complete high-precision time-frequency dissemination

Prof. Pan Jianwei and his colleagues from the University of Science and Technology of China of the Chinese Academy of Sciences investigated the high-loss free space, high-precision time-frequency dissemination between remote ...

Optics & Photonics Apr 16, 2021

New tech builds ultralow-loss integrated photonic circuits

Encoding information into light, and transmitting it through optical fibers lies at the core of optical communications. With an incredibly low loss of 0.2 dB/km, optical fibers made from silica have laid the foundations of ...

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