Low-power integrated optical amplification through second-harmonic resonance
Desurvire, E. Erbium-Doped Fiber Amplifiers: Principles and Applications (Wiley, 1994). Tse, M. et al. Quantum-enhanced advanced LIGO detectors…
Observation of a superfluid-to-insulator transition of bilayer excitons
Anderson, M. H., Ensher, J. R., Matthews, M. R., Wieman, C. E. & Cornell, E. A. Observation of…
Optical control of integer and fractional Chern insulators
Oka, T. & Aoki, H. Photovoltaic Hall effect in graphene. Phys. Rev. B 79, 081406 (2009). Article ADS …
The Amazing Maser | Hackaday
While it has become a word, laser used to be an acronym: “light amplification by stimulated emission of…
Exposing life’s limits with dimensionless numbers
A crude device for quantification shows how diverse aspects of distantly related organisms reflect the interplay of the…
Physicists Say They May Have Found a Portal to a Fifth Dimension Where Dark Matter Could Be Hiding
A group of researchers from Spain and Germany believe that dark matter could be made of fermions that…
‘Scars’ in the cosmos Left From the Early Universe Could Enable Us to Travel Through Time
A decades-old idea is quietly regaining attention in theoretical physics: ancient structures embedded in the universe’s fabric could…
Our Universe has light not by chance but by necessity
Light is one aspect of the Universe that, for most people, holds a deep and noticeable value in…
Here’s Why I Wouldn’t Touch D-Wave Quantum With a 10-Foot Pole
This stock is a textbook example of hype getting too far ahead of reality. In principle, quantum computing…
In a laboratory, they manage to teleport quantum information between photons born in different crystals, and the technical detail that makes this possible sounds like the internet of the future
In a lab in Stuttgart, physicists have quietly pulled off something that once belonged in science fiction. They…
Narrowband quantum emitters in hexagonal boron nitride with optically addressable spins
Stas, P.-J. et al. Robust multi-qubit quantum network node with integrated error detection. Science 378, 557–560 (2022). Article …
Ambitious Survey Hints at Tantalizing New Theories on Dark Energy : ScienceAlert
Astrophysicists are closer than ever to solving the mystery of what makes up almost 70 percent of the…