Researchers have developed a new way to control and manipulate optical signals by embedding a liquid crystal layer into waveguides created with direct laser writing. The new devices enable electro-optical control of polarization, ...
Optics & Photonics
Mar 4, 2024
0
191
Thermal radiation is electromagnetic radiation emitted by all objects with temperature and most representatively, there is the solar radiation spectrum that enters the Earth and causes the greenhouse effect.
Nanophysics
Feb 5, 2024
0
22
In recent years, optical vortices have attracted extensive attention in laser advanced manufacturing because of their annual intensity distribution and orbital angular momentum.
Optics & Photonics
Feb 1, 2024
0
1
Scientists at Heriot-Watt University in Edinburgh, Scotland, have found a powerful new way to program optical circuits that are critical to the delivery of future technologies such as unhackable communications networks and ...
Optics & Photonics
Jan 19, 2024
1
2769
The generation, modulation, and detection of polarized light play a pivotal role across diverse fields, including optical communication, laser processing, dynamic displays, and biomedical imaging. The advancement of multifunctional ...
Optics & Photonics
Dec 4, 2023
0
1
Lanthanide (Ln3+)-doped photon avalanche (PA) upconversion nanoparticles (UCNPs) can be applied in super-resolution bioimaging, miniaturized lasers, single-molecule tracking and quantum optics.
Nanophysics
Oct 13, 2023
0
1
Researchers have developed an easy-to-use optical chip that can configure itself to achieve various functions. The positive real-valued matrix computation they have achieved gives the chip the potential to be used in applications ...
Optics & Photonics
Oct 11, 2023
0
97
The avalanche multiplication effect can be used to detect low-power optical signals and even single photons due to the amplification mechanism within all main ranges: near- (NIR), short- (SWIR), mid- (MWIR) and long wavelength ...
Optics & Photonics
Sep 4, 2023
0
1
Transferring optical information in free space with large bandwidth and high transmission capacity has gained significant attention in various applications, such as remote sensing, underwater communication, and medical devices. ...
Optics & Photonics
Aug 29, 2023
0
46
Researchers have shown that dissipative Kerr solitons (DKSs) can be used to create chip-based optical frequency combs with enough output power for use in optical atomic clocks and other practical applications. The advance ...
Optics & Photonics
Aug 29, 2023
0
27
