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Abstract: A team led by Prof. GUO Guangcan and Prof. ZOU Changling from the University of Science and Technology of China of the Chinese Academy of Sciences realized efficient frequency conversion in microresonators via a degenerate sum-frequency process, and achieved cross-band frequency conversion and amplification of converted signal through observing the cascaded nonlinear optical effects inside the microresonator. The study was published in Physics Review Letters. Researchers realize high-efficiency frequency conversion on integrated photonic chip Hefei, China | Posted on April 23rd, 202...

Our NanoNews Digest Sponsors Home > Press > Silver ions hurry up, then wait as they disperse: Rice chemists show ions’ staged release from gold-silver nanoparticles could be useful property Chemists at Rice University and the University of Duisburg-Essen, Germany quantified the release of silver ions from gold-silver nanoparticle alloys. At top, transmission electron microscope images show the change in color as silver (in blue) leaches out of a nanoparticle over several hours, leaving gold atoms behind. The bottom hyperspectral images show how much a nanoparticle of silver and gold shrank o...

Nanotechnology Now Shanhui Fan (Image credit: Rod Searcey) Abstract: Among the first lessons any grade school science student learns is that white light is not white at all, but rather a composite of many photons, those little droplets of energy that make up light, from every color of the rainbow - red, orange, yellow, green, blue, indigo, violet. With new optical device, engineers can fine tune the color of light Stanford, CA | Posted on April 23rd, 2021 Now, researchers at Stanford University have developed an optical device that allows engineers to change and fine-tune the frequencies of e...

Nanotechnology Now Einstein-Podolski-Rosen correlations can be used for precision measurements. (Image: Jurik Peter, Shutterstock) Abstract: Quantum systems consisting of several particles can be used to measure magnetic or electric fields more precisely. A young physicist at the University of Basel has now proposed a new scheme for such measurements that uses a particular kind of correlation between quantum particles. Quantum steering for more precise measurements Basel, Switzerland | Posted on April 23rd, 2021 In quantum information, the fictitious agents Alice and Bob are often used to ill...

Our NanoNews Digest Sponsors Home > Press > Synthetic gelatin-like material mimics lobster underbelly’s stretch and strength: The membrane’s structure could provide a blueprint for robust artificial tissues An MIT team has fabricated a hydrogel-based material that mimics the structure of the lobster’s underbelly, the toughest known hydrogel found in nature. Credits:Courtesy of the researchers Abstract: A lobster’s underbelly is lined with a thin, translucent membrane that is both stretchy and surprisingly tough. This marine under-armor, as MIT engineers reported in 2019, is made from the...