Professors Hu Weida and Peng Hailin, two of researchers at Shanghai Institute of Technical Physics and Peking University, recently proposed momentum-matching and band-alignment van der Waals heterostructures to solve the ...
Nanophysics
Aug 12, 2022
0
277
High levels of dark current and noise have ailed metal-semiconductor-metal (MSM) photodetectors for years. Recently, scientists in China demonstrated that by replacing conventional metals with MXene, the dark current and ...
Nanomaterials
Sep 23, 2021
0
14
Polarization-sensitive photodetectors based on anisotropic semiconductors exhibit a wide range of advantages in specialized applications, such as astronomy, remote sensing, and polarization-division multiplexing. For the ...
Quantum Physics
May 05, 2021
0
9
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 02, 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 02, 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 09, 2020
0
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
0
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 ...
