Results 1 to 10 of about 57,612 (310)

Four-channel graphene optical receiver [PDF]

Nanophotonics
Silicon photonics with the advantages of low power consumption and low fabrication cost is a crucial technology for facilitating high-capacity optical communications and interconnects.
Yu Laiwen, Li Yurui, Xiang Hengtai, Li Yuanrong, Cao Hengzhen, Ji Zhongyang, Liu Liu, Xiao Xi, Yin Jianbo, Guo Jingshu, Dai Daoxin   +10 more
doaj   +4 more sources

4-Channel, 100 Gbps Inductorless Optical Receiver Analog Front-End in CMOS for Optical Interconnect

IEEE Access, 2021
In this paper, a 4-channel, 100 Gbps inductorless optical receiver analog front-end fabricated in a 55 nm bulk-CMOS technology is presented. Active feedback technique is widely adopted to improve the performance of the optical receiver without the area ...
Gaolei Zhou, Xurui Mao, Sheng Xie, Haocheng Cai   +3 more
doaj   +1 more source

Ultrahigh-speed graphene-based optical coherent receiver

Nature Communications, 2021
Graphene-based photodetectors have many advantages for applications. Here, the authors demonstrate a high-speed optical coherent receiver for optical communications based on graphene-on-plasmonic slot waveguide photodetectors.
Yilun Wang, Xiang Li, Zhibin Jiang, Lei Tong, Wentao Deng, Xiaoyan Gao, Xinyu Huang, Hailong Zhou, Yu Yu, Lei Ye, Xi Xiao, Xinliang Zhang   +11 more
doaj   +1 more source

Design Technique for Transimpedance Amplifier using gm/Id Methodology

Guangtongxin yanjiu, 2021
Aiming at the high complexity of the mathematical model of short channel transistor, a gm/Id method is proposed to describe the short channel transistor model.
Jia-hui LIN, Xiang JIANG
doaj   +1 more source

Synthesis of the optimal algorithm and structure of contactless optical device for estimating the parameters of statistically uneven surfaces

Радіоелектронні і комп'ютерні системи, 2021
The production of parts and (or) finished products in electronics, mechanical engineering and other industries is inextricably linked with the control of the accuracy and cleanliness of the processed surfaces.
Olexandr Shmatko, Valerii Volosyuk, Simeon Zhyla, Vladimir Pavlikov, Nikolay Ruzhentsev, Eduard Tserne, Anatoliy Popov, Ivan Ostroumov, Nataliia Kuzmenko, Kostiantyn Dergachov, Olga Sushchenko, Yuliya Averyanova, Maksym Zaliskyi, Oleksandr Solomentsev, Olena Havrylenko, Borys Kuznetsov, Tatyana Nikitina   +16 more
doaj   +1 more source

Detection Stability Improvement of Near-Infrared Laser Telemetry for Methane Emission from Oil/Gas Station Using a Catadioptric Optical Receiver

Energies, 2023
Open-path laser telemetry of methane leakage yields security guarantees of energy storage and transportation for oil/gas station production operation. In order to further improve the long-term detection stability under the condition of long-distance non ...
Dai Geng, Di Wang, Yushuang Li, Wei Zhou, Hanbing Qi   +4 more
doaj   +1 more source

Multiple Transmitters for Gain Saturated Pre-Amplified FSO Communication Systems Limited by Strong Atmospheric Turbulence and Pointing Error

IEEE Access, 2023
The use of multiple transmitters in a turbulent free-space optical (FSO) communication link can enhance the systems performance because greater received power can improve receiver sensitivity. Nevertheless, the effect of having more power at the receiver
Jeremiah Oluwatosin Bandele, Ayodeji Olalekan Salau, Mmoloki Mangwala, Adamu Murtala Zungeru   +3 more
doaj   +1 more source

Visible Light Communication System Technology Review: Devices, Architectures, and Applications

Crystals, 2021
Visible light communication (VLC) is an advanced, highly developed optical wireless communication (OWC) technology that can simultaneously provide lighting and high-speed wireless data transmission.
Tai-Cheng Yu, Wei-Ta Huang, Wei-Bin Lee, Chi-Wai Chow, Shu-Wei Chang, Hao-Chung Kuo   +5 more
doaj   +1 more source

Highly Sensitive Microsensor Based on Absorption Spectroscopy: Design Considerations for Optical Receiver

IEEE Access, 2020
The development of a biomedical sensor involves an extremely sensitive optoelectronics system whose foundations lie on intracavity absoprtion spectroscopy.
Usman Masud, Fathe Jeribi, Ahmad Zeeshan, Ali Tahir, Mudassar Ali   +4 more
doaj   +1 more source

Switched 4-to-1 Transimpedance Combining Amplifier for Receiver Front-End Circuit of Static Unitary Detector-Based LADAR System

Applied Sciences, 2017
Laser detection and ranging (LADAR) systems are commonly used to acquire real-time three-dimensional (3D) images using the time-of-flight of a short laser pulse.
Eun-Gyu Lee, Jae-Eun Lee, Bang Chul Jung, Bongki Mheen, Choul-Young Kim   +4 more
doaj   +1 more source