Results 121 to 130 of about 3,491,555 (340)

Received optical power calculations for optical communications link performance analysis [PDF]

The factors affecting optical communication link performance differ substantially from those at microwave frequencies, due to the drastically differing technologies, modulation formats, and effects of quantum noise in optical communications.
Burk, B. D., Marshall, W. K.
core   +1 more source

Hybrid Optical Wireless Network for Future SAGO-Integrated Communication Based on FSO/VLC Heterogeneous Interconnection

IEEE Photonics Journal, 2017
Free-space optics (FSO) and visible light communication (VLC) share the same optical wireless features, such as high data rate, license free, energy efficient, flexible access, and high degree of security.
Zhitong Huang, Zhenfang Wang, Minglei Huang, Wei Li, Tong Lin, Peixuan He, Yuefeng Ji   +6 more
doaj   +1 more source

Information-Theoretic Tools for Optical Communications Engineers

International Conference on Intelligent Pervasive Computing, 2018
Fundamental information-theoretic concepts are explained for nonspecialists, with emphasis on their practical usage. The notions of a "FEC threshold" and a "nonlinear Shannon limit" are critically reviewed, highlighting their limitations and possible ...
E. Agrell, M. Secondini
semanticscholar   +1 more source

Solution‐Processable Polymer Nanocomposites for Electromagnetic Interference Shielding

Advanced Materials Interfaces, EarlyView.
This review introduces scalable strategies for fabricating solution‐processable polymer nanocomposites with improved electromagnetic interference (EMI) shielding performance. It compares three fabrication methods, including solution blending, in situ polymerization, and Pickering emulsion polymerization, and highlights their respective advantages in ...
Tuan Sang Tran, Lulu Xu, Per B. Zetterlund, Vipul Agarwal   +3 more
wiley   +1 more source

Second-Harmonic Generation in Silicon Nitride Ring Resonators

, 2010
The emerging field of silicon photonics seeks to unify the high bandwidth of optical communications with CMOS microelectronic circuits. Many components have been demonstrated for on-chip optical communications, including those that utilize the nonlinear ...
Alexander L. Gaeta, Almeida, Barth, Bloembergen, Carmon, Corcoran, Ferrera, Foster, Gondarenko, Hon, Ikeda, Jacob S. Levy, Kippenberg, Lettieri, Lettieri, Levy, Mark A. Foster, Michal Lipson, Omenetto, Pereira, Ranka, Serpengüzel, Shen, Sipe, Tan, Tom, Turner   +26 more
core   +1 more source

Integrated Multifrequency Recognition and Downconversion Based on Photonics-Assisted Compressive Sampling

IEEE Photonics Journal, 2012
On the basis of photonics-assisted compressive sampling (CS), we demonstrate for the first time an integrated system with the capacity of multifrequency recognition and downconversion of intercepted radio frequency (RF) component.
Li Yan, Yitang Dai, Kun Xu, Jian Wu, Yan Li, Yuefeng Ji, Jintong Lin   +6 more
doaj   +1 more source

NEW BELL LABORATORIES RESEARCH FORESHADOWS COMMUNICATIONS AT OPTICAL FREQUENCIES [PDF]

, 1961

openalex   +1 more source

Key enabling technologies for optical communications at 2000  nm.

Applied Optics, 2018
This paper discusses the potential for opening a new wavelength window at the 2 μm waveband for optical communications, showing current limitations of the system's performance.
F. Gunning, N. Kavanagh, E. Russell, Robert N. Sheehan, James O'Callaghan, Brian Corbett   +5 more
semanticscholar   +1 more source

AI‐Enhanced Gait Analysis Insole with Self‐Powered Triboelectric Sensors for Flatfoot Condition Detection

Advanced Materials Technologies, Volume 10, Issue 6, March 18, 2025.
The given research presents an innovative insole‐based device employing self‐powered triboelectric nanogenerators (TENG) for flatfoot detection. By integrating TENG tactile sensors within an insole, the device converts mechanical energy from foot movements to electrical signals analyzed via machine learning, achieving an 82% accuracy rate in flatfoot ...
Moldir Issabek, Sabyrzhan Oralkhan, Adeliya Anash, Nuriya Nurbergenova, Azat Balapan, Azamat Yeshmukhametov, Yeltay Rakhmanov, Gulnur Kalimuldina   +7 more
wiley   +1 more source

Visible and Infrared Dual‐Band Camouflage Device Using Reflective Display Technology

Advanced Materials Technologies, EarlyView.
Integrating electrochromic devices and electrophoretic display technologies has led to developing a flexible dual‐band camouflage device. The system enables adaptive modulation across visible and near‐infrared spectra through pixel‐level control, rapid switching, and bistable operation.
Ju Hyun Park, Yongjun Lee, Jiyoung Oh, Sanghoon Cheon, Byeong‐Kwon Ju, Jisu Han, Chil Seong Ah, Tae‐Youb Kim   +7 more
wiley   +1 more source