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High power optical frequency combs play a crucial role in nonlinear precision spectroscopy, extreme ultraviolet optical frequency comb generation, nuclear atomic clock research, and other fields. Fiber optic femtosecond lasers are the preferred solution for achieving high power optical frequency combs due to their simple structure, stable performance, and easy amplification. However, due to the un...
Recently, Tong Cunzhu, the research team of the Chinese President of Science, Chunguang Institute of Mechanical Mechanics, made important progress in the research field of photonic crystal surface emitting lasers (PCSEL), proposed a three lattice structure and achieved a low threshold 1550nm PCSEL. Relevant achievements were published in Light: Science and Application vol.13, 442024, and the famou...
As humanity enters a new era of computing, new small tools are needed to enhance the interaction between photons and electrons, and integrate electrical and photon functions at the nanoscale. Researchers have created a novel III-V semiconductor nanocavity that can limit light below the so-called diffraction limit, which is an important step towards achieving this goal.In the journal Optical Materi...
Recently, Shenzhen Guangfeng Technology Co., Ltd. once again disclosed a development fixed-point notice. Unlike other fixed-point notices received this year, this fixed-point notice points to the optical components of the vehicle's dynamic color pixel lights. According to company disclosure, Guangfeng Technology recently received a development notice from a leading international brand car compan...
At last month’s LASER World of Photonics exhibition in Munich, Germany, industrial solutions and laser giant Trumpf presented a new materials processing laser system solution specified to improve welding processes.The system combines several sensors that monitor all process steps during laser welding. An integrated AI quality control system checks the weld seams, for example, and OCT (optical cohe...