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Topological laser (TL) is a laser device designed and manufactured using the principles of topological optics, which can produce a robust single-mode laser and is an ideal light source for future new optoelectronic integrated chips. Electrically pumped topology lasers have become a research hotspot due to their small size and ease of integration, but topology lasers based on electrical injection a...
German researchers have developed a method for controlling and manipulating optical signals by embedding liquid crystal layers into waveguides created by direct laser writing. This work has produced devices capable of electro-optic control of polarization, which may open up possibilities for chip based devices and complex photonic circuits based on femtosecond write waveguides.Researcher Alexandro...
Scientists at the City University of New York use tiny nitrogen defects in the atomic structure of diamonds as "color centers" to write data for storage. This technology is published in the journal Nature Nanotechnology and allows for encoding multiple bytes of data into the same nitrogen defect at multiple optical frequencies, without confusing the information content.The common laser based techn...
Recently, TSMC held a groundbreaking ceremony for its first European 12 inch wafer fab. It is reported that the European Union has approved Germany to provide 5 billion euros in subsidies for the factory.It is understood that TSMC's 12 inch wafer fab is located in Dresden, Germany and is called "European Semiconductor Manufacturing Company (ESMC)". In August 2023, TSMC announced a partnership with...
Snapmaker has been making three-in-one manufacturing tools -- The Snapmaker, Snapmaker 2 and Artisan -- for over six years now. These machines have changeable tool heads that can be used for 3D printing, laser cutting and CNC machining. At the beginning of this year, it branched out to make adedicated 3D printer, the J1-- a dual print-head machine that works very well -- and today the ...