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harmonic generation News
Researchers Boost Coupling Efficiency of Lithium Niobate Devices
GUANGZHOU, China, July 6, 2022 — Researchers at Sun Yat-sen University and Nanjing University designed and fabricated a thin-film lithium niobate (TFLN) edge coupler that will allow TFLN-based periodically poled lithium niobate (PPLN) devices to achieve efficient, ultrabroadband coupling. According to the researchers, the edge coupler increases the overall conversion efficiency of current PPLN devices by two to three orders of magnitude compared with current state-of-the-art devices. They said that TFLN-based devices
Scaling Law Enables Optical Control of Material Properties
KYOTO, Japan, April 7, 2022 — Researchers from Kyoto University and Kurume Institute of Technology have discovered a scaling law that determines high-order harmonic generation in the solid-layered perovskite material, Ca2RuO4. The work could enable scientists to control material...
Nonlinear Response in Diamond Defects Could Enable Nanosensors
TSUKUBA, Japan, April 1, 2022 — A nonlinear optical approach to temperature sensing, discovered by scientists at the University of Tsukuba and the Japan Advanced Institute of Science and Technology (JAIST), could expedite development of nanosize sensors for applications that...
GDD Measurements Boost Ultrafast Laser Performance
Oct 1, 2013 — Easy group delay dispersion measurements improve results in applications such as laser amplifiers, optical coatings, harmonic generation, bioimaging and microscopy. “Dude, where’s my pulse width?!” Anybody working with an ultrafast...
FiO Hot Topics: Hot Optics
SAN JOSE, Calif., Oct. 13, 2009 -- New types of research that explore breakthroughs in medical imaging, solar power, communications and vision were presented during "What's Hot in Optics Today?" during Frontiers in Optics 2009 (FiO) Sunday. About 100 conference early birds gathered...
FiO Hot Topics: Hot Optics
SAN JOSE, Calif., Oct. 13, 2009 -- New types of research that explore new avenues in medical imaging, solar power, communications and vision were presented during "What's Hot in Optics Today?" during Frontiers in Optics 2009 (FiO) Sunday. About 100 conference early birds attended the...
Coherent 1-nm X-Rays Generated in Helium
Apr 1, 2005 — Harmonic generation has been a workhorse of the photonics community for decades, creating coherent short-wavelength light from longer-wavelength lasers. Today, the market is awash with 532-nm lasers -- including green laser pointers -- whose output...
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April 2024
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