Results 1 to 10 of about 39,452 (171)

Co-Design of BW-Enhanced Dual-Path Driver and Segmented Microring Modulator for Energy Efficient Si-Photonic Transmitters [PDF]

Micromachines
Artificial intelligence computing systems increasingly demand high-bandwidth, high-extinction-ratio, chip-to-chip optical transceivers. Silicon microring modulators (MRMs) are attractive for such transmitters due to their compact footprint and wavelength-
Yingjie Ma, Bolun Cui, Guike Li, Jian Liu, Nanjian Wu, Nan Qi, Liyuan Liu   +6 more
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

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

Improved Power Budget of 112 Gb/s/$\lambda$ Intra-Datacentre Links Using a Split-Carrier Transmitter Architecture

IEEE Photonics Journal, 2019
A split-carrier transmitter is proposed to improve loss budget for short distance 100 G-per-wavelength intra-datacentre links. By applying a low-complexity hardware modification to the transmitter, the proposed architecture reduces transmitter ...
Thomas Gerard, Zhixin Liu, M. Sezer Erkilinc, Lidia Galdino, Polina Bayvel, Benn Thomsen, Domanic Lavery   +6 more
doaj   +1 more source

Optimization of optical data transmitters for 40-Gb/s lightwave systems using frequency resolved optical gating [PDF]

, 2002
The measurement technique of frequency resolved optical gating has been used to optimize the phase of a 40-GHz train of optical pulses generated using a continuous-wave laser gated with an external modulator. This technique will be vital for optimization
Barry, Liam P., del Burgo, S., Harvey, John D., Reid, Douglas A., Thomsen, Benn C., Watts, Regan T.   +5 more
core   +1 more source

Classical benchmarking for microwave quantum illumination

IET Quantum Communication, 2021
Quantum illumination theoretically promises up to a 6 dB error‐exponent advantage in target detection over the best classical protocol. The advantage is maximised by a regime that includes a very high background, which occurs naturally when one considers
Athena Karsa, Stefano Pirandola
doaj   +1 more source

Semiconductor Multimaterial Optical Fibers for Biomedical Applications

Biosensors, 2022
Integrated sensors and transmitters of a wide variety of human physiological indicators have recently emerged in the form of multimaterial optical fibers.
Lingyu Shen, Chuanxin Teng, Zhuo Wang, Hongyi Bai, Santosh Kumar, Rui Min   +5 more
doaj   +1 more source