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Researchers at the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) and Vienna University of Technology (TU Wien) have invented a new type of tunable semiconductor laser that shows smooth, reliable, wide-range wavelength tuning in a simple, chip-sized design.Tunable lasers are integral to many technologies, from high-speed telecommunications to medical diagnostics to safet...
The rapid development of intelligent cars and autonomous driving technology has made millimeter wave radar inconspicuous, and the widespread application of millimeter wave radar has driven the technological evolution of MMIC.From the expensive gallium arsenide (GaAs) process in the early days to the mainstream CMOS and SiGe processes today, and then to the future promising FD-SOI process, the cont...
The research team led by Professor Gao Xiaoming and Professor Liu Kun of the Chinese Academy of Sciences Hefei Institute of Physical Sciences recently designed a concentration independent pressure sensing technology for high-temperature combustion diagnosis. This method is based on dual color laser absorption spectroscopy.The results of this study have been published in Optics Letters.Aircraft eng...
Ultra short pulse lasers, such as femtosecond lasers, are increasingly becoming easy-to-use plug and play devices suitable for a wide range of industrial and biomedical applications. Fifteen years ago, the volume of these lasers was still very large, requiring daily cleaning of optical components, regular maintenance of cooling water, and continuous optimization of laser parameters. Nowada...
Recently, HieFo, a leading enterprise in the field of optical communication, officially launched its HCL30 DFB laser chip, designed specifically to meet the stringent requirements of coherent optical transmission. This chip combines efficient optical output power with excellent narrow linewidth performance, providing multiple industry standard wavelength options in the O-band and C-band, bringin...