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General Âé¶¹ÒùÔºics Aug 11, 2023

Femtosecond laser technique births 'dancing microrobots': A breakthrough in multi-material microfabrication

A research team led by Prof. Wu Dong from the University of Science and Technology of China (USTC) of the Chinese Academy of Sciences (CAS) proposed a femtosecond laser 2-in-1 writing multi-material processing strategy to ...

Optics & Photonics Jul 31, 2023

Telecom-band-integrated multimode photonic quantum-memory

Quantum memory that depends on quantum-band integration is a key building block used to develop quantum networks that are compatible with fiber communication infrastructures. Quantum engineers and IT specialists have yet ...

Optics & Photonics Jul 7, 2023

Study presents ultra-low threshold continuous-wave quantum dot mini-BIC lasers

Lasers with ultra-low threshold and compact size are highly desirable components in photonic integrated circuits, aiming at the application of optical communications, chip-scale solid-state LIDAR and quantum information. ...

Optics & Photonics May 31, 2023

Examining the latest developments of spatiotemporal vortices of light

Vortices of light, null regions of intensity surrounded by spiral phases, make up the skeleton of a wavefield and influence the properties of light. Since the discovery of the tight connection of optical vortices and orbital ...

Optics & Photonics May 25, 2023

Chip-based quantum key distribution achieves higher transmission speeds

Researchers have developed a quantum key distribution (QKD) system based on integrated photonics that can transmit secure keys at unprecedented speeds. The proof-of-principle experiments represent an important step toward ...

Nanophysics Apr 21, 2023

Scientists realize light-driven programmable colloidal self-assembly

Prof. Peng Chenhui's team from the School of Âé¶¹ÒùÔºics, University of Science and Technology of China (USTC), realized the collective transfer and reconfigurable self-assembly of colloidal particles by combining the light-driven ...

Optics & Photonics Apr 11, 2023

Femtosecond lasers with BiBurst enhance ablation speed of silicon by a factor of 23

Scientists working on laser application at the RIKEN Center for Advanced Photonics (RAP) have employed a new technique using GHz bursts of femtosecond laser pulses grouped in MHz envelopes—termed BiBurst mode—to greatly ...

Cell & Microbiology Feb 22, 2023

Giant proteins in a giant cell: Molecular basis behind fastest biological movement in single-celled eukaryotes

In his famous letter to the Royal Society dated Oct. 9, 1676, Antonie van Leeuwenhoek described a single-celled eukaryote (Vorticella) and its fascinating ultrafast cell contraction. This kind of ultrafast cell contraction ...

Optics & Photonics Nov 3, 2022

Femtosecond GHz/MHz BiBurst pulses can greatly enhance silicon ablation efficiency

Scientists working on laser application at the RIKEN Center for Advanced Photonics (RAP) have developed a new technique using GHz bursts of femtosecond laser pulses grouped in MHz envelopes, termed BiBurst mode, for high-efficiency ...

Optics & Photonics Oct 20, 2022

New way to make telescope mirrors could sharpen our view of the universe

Researchers have developed a new way to use femtosecond laser pulses to fabricate the high-precision ultrathin mirrors required for high-performance X-ray telescopes. The technique could help improve the space-based X-ray ...

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