Researchers transmit data via a semiconductor laser, opening the door to ultra-high-speed Wi-Fi
You've never heard Dean Martin like this.
Optics & Photonics
Apr 25, 2019
0
1423
News tagged with quantum cascade laser
Nano-imaging of intersubband transitions in few-layer 2-D materials
Semiconducting heterostructures are key to the development of electronics and opto-electronics. Many applications in the infrared and terahertz frequency range exploit transitions, called intersubband transitions, between ...
Quantum Physics
Aug 28, 2018
0
107
Transistor technology may improve speed, battery life for computers, mobile phones and other electronics
Purdue University researchers have developed transistor technology that shows potential for improving computers and mobile phones.
Nanophysics
Aug 14, 2018
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29
Combing light for tell-tale chemical fingerprints
A laser-based technique that can scan and lock on to molecular vibrational signals that are normally too complex to resolve clearly could enable production of sensors for multi-species identification in harsh environments, ...
Optics & Photonics
May 23, 2018
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5
Laser frequency combs may be the future of Wi-Fi
Wi-Fi and cellular data traffic are increasing exponentially but, unless the capacity of wireless links can be increased, all that traffic is bound to lead to unacceptable bottlenecks.
Optics & Photonics
Apr 30, 2018
0
77
Plasmons triggered in nanotube quantum wells
A novel quantum effect observed in a carbon nanotube film could lead to the development of unique lasers and other optoelectronic devices, according to scientists at Rice University and Tokyo Metropolitan University.
Nanomaterials
Mar 16, 2018
0
176
Optical frequency comb offers a convenient way to generate elusive terahertz frequencies
Optical frequency combs are widely-used, high-precision tools for measuring and detecting different frequencies—a.k.a. colors—of light. Unlike conventional lasers, which emit a single frequency, these lasers emit multiple ...
Optics & Photonics
Oct 17, 2017
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804
Tiny terahertz laser could be used for imaging, chemical detection
Terahertz radiation—the band of the electromagnetic spectrum between microwaves and visible light—has promising applications in medical and industrial imaging and chemical detection, among other uses.
Optics & Photonics
Aug 8, 2017
0
564
New record achieved in terahertz pulse generation
A group of scientists from TU Wien and ETH Zurich have succeeded in their attempts to generate ultrashort terahertz light pulses. With lengths of just a few picoseconds, these pulses are ideally suited to spectroscopic applications ...
Optics & Photonics
Feb 13, 2017
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2061
Building a bright future for lasers
Invisible to the human eye, terahertz electromagnetic waves can "see through" everything from fog and clouds to wood and masonry—an attribute that holds great promise for astrophysics research, detecting concealed explosives ...
Optics & Photonics
Nov 15, 2016
0
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