Northwestern University researchers have developed a new approach to quantum device design that has produced the first gain-based long-wavelength infrared (LWIR) photodetector using band structure engineering based on a type-II ...
Optics & Photonics
Feb 2, 2021
0
174
Though we may not always realize it, photodetectors contribute greatly to the convenience of modern life. Also known as photosensors, photodetectors convert light energy into electrical signals to complete tasks such as opening ...
Nanomaterials
Nov 2, 2020
0
30
Due to the wide application of photodetectors in fields including optical communication, environmental monitoring, and image sensing, research for developing highly efficient photodetectors has attracted extensive attention ...
Materials Science
Jul 9, 2020
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7
Researchers discovered a new way to engineer optoelectronic devices by stretching a two-dimensional material on top of a silicon photonic platform. Using this method, coined strainoptronics by a team led by George Washington ...
Optics & Photonics
Jun 22, 2020
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790
A solution-processed broadband photodetector based on organic-inorganic hybrid perovskite and organic bulk heterojunction has been demonstrated, achieving broadband response spectra up to 1000 nm with a high EQE in the NIR ...
Optics & Photonics
Mar 23, 2020
0
4
Silicon photonics are known as a key technology for modern optical communications at the near infrared wavelength-band, i.e., 1.31/1.55 μm. Currently silicon photonics researchers have attempted to extend the technology ...
Optics & Photonics
Mar 13, 2020
0
16
Full-color photodetectors that can convert light to electric signals without sophisticated color filters and interferometric optics have gained considerable attention for widespread applications. However, technical challenges ...
Photodetectors are the devices that convert information carried by light into an electric signal that can be processed by electronic circuits and computers. They are found in everyday devices, such as television remotes and ...
Materials Science
Nov 12, 2019
0
23
A photodetector converts light into an electrical signal, causing the light to be lost. Researchers led by Tracy Northup at the University of Innsbruck have now built a quantum sensor that can measure light particles non-destructively. ...
Quantum Physics
May 3, 2019
2
1007
In a recent study, researchers developed a novel graphene-enabled photodetector that operates at room temperature, is highly sensitive, fast, has a wide dynamic range, and covers a broad range of THz frequencies. The researchers ...
Nanomaterials
Apr 16, 2019
0
58
