Results 1 to 10 of about 3,038,754 (316)

Dynamic Optical Wireless Power Transfer for Electric Vehicles

IEEE Access, 2023
This research proposes and analyzes a dynamic optical wireless power transfer (OWPT) system for wireless charging of aerial and ground electric vehicles (EVs).
Dinh Hoa Nguyen
doaj   +2 more sources

Cost-Effective Optical Wireless Sensor Networks: Enhancing Detection of Sub-Pixel Transmitters in Camera-Based Communications [PDF]

Sensors
In the domain of the Internet of Things (IoT), Optical Camera Communication (OCC) has garnered significant attention. This wireless technology employs solid-state lamps as transmitters and image sensors as receivers, offering a promising avenue for ...
Idaira Rodríguez-Yánez, Víctor Guerra, José Rabadán, Rafael Pérez-Jiménez   +3 more
doaj   +2 more sources

Chip-based optical frequency combs for high-capacity optical communications

Nanophotonics, 2021
Current fibre optic communication systems owe their high-capacity abilities to the wavelength-division multiplexing (WDM) technique, which combines data channels running on different wavelengths, and most often requires many individual lasers.
Hu Hao, Oxenløwe Leif K.
doaj   +2 more sources

Wiener-Hammerstein model and its learning for nonlinear digital pre-distortion of optical transmitters. [PDF]

Optics Express, 2020
We present a simple nonlinear digital pre-distortion (DPD) of optical transmitter components, which consists of concatenated blocks of a finite impulse response (FIR) filter, a memoryless nonlinear function and another FIR filter.
T. Sasai, Masanori Nakamura, E. Yamazaki, A. Matsushita, S. Okamoto, K. Horikoshi, Y. Kisaka   +6 more
semanticscholar   +1 more source

Fingerprint construction of optical transmitters based on the characteristic of electro-optic chaos for secure authentication.

Optics Express, 2023
In this paper, an optical transmitter authentication method using hardware fingerprints based on the characteristic of electro-optic chaos is proposed. By means of phase space reconstruction of chaotic time series generated by an electro-optic feedback ...
Zongyang Li, Hongxiang Wang, Y. Ji
semanticscholar   +1 more source

Mid-wave and long-wave infrared transmitters and detectors for optical satellite communications—a review

Journal of Optics, 2022
There has been a recent surge in interest for optical satellite communication (SatCom) utilizing lasers. It is clear to see why, as optical SatCom is capable of higher speed, lighter weight, higher directionality, and higher efficiency versus their radio-
Liam G. K. Flannigan, Liam Yoell, Changqing Xu   +2 more
semanticscholar   +1 more source

Study of Electrical and Optical Peaking of Si Ring Modulators for Tailoring Modulation Band

IEEE Photonics Journal, 2023
An operation scheme using electrical peaking and optical peaking to engineer the modulation band of a Si microring modulator is presented. By incorporating an inductor design at the metal traces of a Si microring modulator, the driving signal can be ...
Hsiang-Chih Kao, Ming-Wei Lin, Ming-Chang M. Lee   +2 more
doaj   +1 more source

Comparison of Fabrication Methods for Fiber‐Optic Ultrasound Transmitters Using Candle‐Soot Nanoparticles

Advanced Materials Interfaces, 2023
Candle‐soot nanoparticles (CSNPs) have shown great promise for fabricating optical ultrasound (OpUS) transmitters. They have a facile, inexpensive synthesis whilst their unique, porous structure enables a fast heat diffusion rate which aids high ...
Semyon Bodian, Esra Aytac‐Kipergil, Shaoyan Zhang, India Lewis‐Thompson, Sanjayan Sathasivam, Sunish J. Mathews, Erwin J. Alles, Edward Z. Zhang, Paul C. Beard, Ross J. Gordon, Paul Collier, Ivan P. Parkin, Adrien E. Desjardins, Richard J. Colchester, Sacha Noimark   +14 more
doaj   +1 more source

Real-Time Underwater Wireless Optical Communication System Based on LEDs and Estimation of Maximum Communication Distance

Sensors, 2023
This paper presents a real-time underwater wireless optical communication (UWOC) system. The transmitter of our UWOC system is equipped with four blue LEDs, and we have implemented pre-emphasis technology to extend the modulation bandwidth of these LEDs.
Minglun Zhang, Hongyu Zhou
doaj   +1 more source

Experimental Evaluation of Indoor Optical Wireless MIMO Systems With Square and Linear Array Constellations

IEEE Photonics Journal, 2021
In this article, we investigate the performance of the newly designed 4 × 4 optical wireless multiple-input-multiple-output (MIMO-OWC) system based on a linearly-shaped arrangement of transmitters and receivers, to achieve long-distance and high ...
Tetsuya Nakamura, Chedlia Ben Naila, Kentaro Kobayashi, Hiraku Okada, Masaaki Katayama   +4 more
doaj   +1 more source