News tagged with quantum cascade
Building a more versatile laser
Nov 16, 2009 |
4.4 / 5 (18) |
0
(PhysOrg.com) -- One of the drawbacks associated with using semiconductor lasers is that many of them can only produce a beam of a single wavelength, and can only send that beam in one direction at a time. ...
Quantum dots as midinfrared emitters
Feb 23, 2009 |
4.1 / 5 (10) |
1
(PhysOrg.com) -- “People are interested in the mid-infrared,” Dan Wasserman tells PhysOrg.com. Infrared light has a wavelength longer than visible light, and many molecules have numerous very strong optical resonances in the ...
Company Introduces Novel Nanotechnology for Revolutionizing Imaging Using T-rays
Oct 20, 2009 |
4.3 / 5 (6) |
0
Yissum Research Development Company of the Hebrew University of Jerusalem today announced that Professor L.D. Shvartsman and Professor B. Laikhtman, from the Racah Institute of Physics at the Hebrew University of Jerusalem, ...
Researchers discover new type of laser
Dec 22, 2008 |
4.8 / 5 (19) |
0
A Princeton-led team of researchers has discovered an entirely new mechanism for making common electronic materials emit laser beams. The finding could lead to lasers that operate more efficiently and at higher ...
Life Expectancy on the Rise -- Even for Quantum States
Apr 14, 2009 |
5 / 5 (6) |
0
(PhysOrg.com) -- For the first time, scientists have succeeded in measuring and controlling the lifetime of quantum states with potential use in optoelectronic chips. This achievement is highly significant ...
Study on free-space optical communication shows experimental evidence of a unique atmospheric effect
Mar 17, 2009 |
4 / 5 (6) |
2
Three members of the faculty at Stevens Institute of Technology recently collaborated on a paper focusing on free-space optical communication, which appears in the latest issue of Optics Express.
