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The time/frequency unit is the most accurate among the seven basic units, so many measurement studies that pursue ultra-high accuracy and sensitivity will be transformed into frequency measurements to achieve higher measurement accuracy and sensitivity. For example, by measuring the relative changes in the ratio of different atomic transition frequencies, ultralight dark matter can be detected or ...
Recently, European laser technology leader Lumibird announced the signing of a major contract to provide laser rangefinders for airborne defense applications.The contract is worth approximately 20 million euros, adding to Lumibird's existing business in laser rangefinders. It covers the supply of over 100 laser rangefinders over a three-year period starting from the third quarter of 2024, as well ...
Recently, the research team of Dong Hongxing and Zhang Long from the Research Center of Infrared Optical Materials of the Chinese Academy of Sciences Shanghai Institute of Optics and Precision Mechanics, in cooperation with Huazhong University of Science and Technology, reported a new mechanism for generating dynamically tunable single-mode lasers from exciton polaritons with ultra-low thresholds,...
Silicon based quantum chip technology is one of the hot research directions in the field of integrated photonics. Thanks to compatibility with CMOS technology and silicon material characteristics, silicon-based integrated optical chips and devices have many advantages such as low cost, small size, low power consumption, and high integration, providing an ideal platform for large-scale optical comp...
Quantum photonics is one of the important research directions in the quantum field, which utilizes the unique properties of light at the quantum level. The core of this field is the deterministic single photon source, which sequentially emits individual photons through spontaneous emission and is the cornerstone of quantum communication, computing, and secure encryption. However, under environment...