The terahertz band is a gap band between microwave and infrared, and has shown great application potential in many cutting-edge information fields such as 6G communications. Terahertz silicon-based photonics has many advantages ...
Optics & Photonics
May 8, 2024
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Semiconductors are a cornerstone of next-generation technology, so a new method to excite atoms in semiconductor materials is likely to excite a broad range of researchers and industries as well.
Condensed Matter
May 2, 2024
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26
Invented by T. Tajima and J. Dawson, laser wakefield acceleration (LWFA) harnesses the power of high-intensity laser pulses to drive plasma waves with acceleration gradients orders of magnitude higher than conventional RF-based ...
Optics & Photonics
Apr 9, 2024
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76
There are many ways to store data—digitally, on a hard disk, or using analog storage technology, for example as a hologram. In most cases, it is technically quite complicated to create a hologram: High-precision laser technology ...
Optics & Photonics
Mar 18, 2024
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Electromagnetic waves in the terahertz frequency range offer many advantages for communications and advanced applications in scanning and imaging, but realizing their potential poses challenges. Researchers at Tohoku University ...
Optics & Photonics
Mar 11, 2024
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196
A research team has developed a new technique that enables precise spatiotemporal control of terahertz waves as they pass through disordered materials.
Optics & Photonics
Feb 13, 2024
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160
Ahead of International Day of Women and Girls in Science this Sunday, 11 February, The University of Warwick is shining the spotlight on a physicist who is developing new technology to advance the diagnosis and screening ...
Optics & Photonics
Feb 9, 2024
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47
While image denoising algorithms have undergone extensive research and advancements in the past decades, classical denoising techniques often necessitate numerous iterations for their inference, making them less suitable ...
Optics & Photonics
Feb 5, 2024
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19
Terahertz waves can penetrate opaque materials and provide unique spectral signatures of various chemicals, but their adoption for real-world applications has been limited by the slow speed, large size, high cost and complexity ...
Optics & Photonics
Jan 18, 2024
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15
Polarization is one of the fundamental characteristics of electromagnetic waves. It can convey valuable vector information in sensitive measurements and signal transmission, which is a promising technology for various fields ...
Optics & Photonics
Dec 27, 2023
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