Results 41 to 50 of about 176,252 (197)

Reversible phase transition for switchable second harmonic generation in 2D perovskite microwires

SmartMat, 2022
Highly efficient second‐harmonic generation (SHG) has facilitated the development of nanophotonics and sustained promising applications, ranging from electro‐optical modulation, frequency conversion, and optical frequency combs to pulse characterization.
Yingjie Zhao, Jiahui Zhao, Yangwu Guo, Jinjin Zhao, Jiangang Feng, Yue Geng, Junchuan Yang, Hanfei Gao, Meng Yuan, Lei Jiang, Yuchen Wu   +10 more
doaj   +1 more source

Quantum Well Optical Switching Devices [PDF]

, 1995
First we will introduce quantum wells by discussing their basic physics, their structure, fabrication technologies, and their elementary linear optical properties.
openaire   +1 more source

Nanosecond Ferroelectric Switching of Intralayer Excitons in Bilayer 3R-MoS_{2} through Coulomb Engineering

Physical Review X
High-speed, nonvolatile tunability is critical for advancing reconfigurable photonic devices used in neuromorphic information processing, sensing, and communication.
Jing Liang, Yuan Xie, Dongyang Yang, Shangyi Guo, Kenji Watanabe, Takashi Taniguchi, Jerry I. Dadap, David Jones, Ziliang Ye   +8 more
doaj   +1 more source

Ultracompact Si-GST Hybrid Waveguides for Nonvolatile Light Wave Manipulation

IEEE Photonics Journal, 2018
Phase change materials combined with silicon photonics are emerging as a promising platform to realize miniature photonic devices. We study the basic optical properties of a subwavelength-dimension silicon ridge waveguide with a 20-nm-thick Ge2Sb2Te5 ...
Hanyu Zhang, Linjie Zhou, B. M. A. Rahman, Xing Wu, Liangjun Lu, Youhua Xu, Jian Xu, Junchao Song, Zhigao Hu, Liping Xu, Jianping Chen   +10 more
doaj   +1 more source

Achieving Long Distance Sensing Using Semiconductor Laser with Optical Feedback by Operating at Switching Status

Sensors, 2022
In this study, a novel distance sensing method is presented by using a semiconductor laser (SL) with optical feedback (OF) and operating the SL at a switching status happened between two nonlinear dynamic states (stable state and period-one state).
Bairun Nie, Yuxi Ruan, Yanguang Yu, Qinghua Guo, Can Fang, Jiangtao Xi, Jun Tong, Haiping Du   +7 more
doaj   +1 more source

Nonlinear Photonic Crystal for All-optical Switching Appli [PDF]

, 2007
An all-optical switching device is a crucial component for developing high speed data transmission and signal processing in telecommunication network. The device is based on nonlinear optical material, whose refractive index depends on light intensity ...
Bahtiar, A. (Ayi), Dharmawan, I. A. (Irwan), Yuliah, Y. (Yayah)   +2 more
core   +1 more source

Plasmonic nanogap enhanced phase change devices with dual electrical-optical functionality [PDF]

, 2018
Modern-day computers use electrical signaling for processing and storing data which is bandwidth limited and power-hungry. These limitations are bypassed in the field of communications, where optical signaling is the norm. To exploit optical signaling in
Bhaskaran, Harish, Cheng, Zengguang, Farmakidis, Nikolaos, Li, Xuan, Pernice, Wolfram HP, Swett, Jacob L., Tan, James, Wright, David C, Youngblood, Nathan   +8 more
core   +3 more sources

Femtosecond switching of strong light-matter interactions in microcavities with two-dimensional semiconductors

Nature Communications
Ultrafast all-optical logic devices based on nonlinear light-matter interactions hold the promise to overcome the speed limitations of conventional electronic devices.
Armando Genco, Charalambos Louca, Cristina Cruciano, Kok Wee Song, Chiara Trovatello, Giuseppe Di Blasio, Giacomo Sansone, Sam A. Randerson, Peter Claronino, Kyriacos Georgiou, Rahul Jayaprakash, Kenji Watanabe, Takashi Taniguchi, David G. Lidzey, Oleksandr Kyriienko, Stefano Dal Conte, Alexander I. Tartakovskii, Giulio Cerullo   +17 more
doaj   +1 more source

Large-scale, power-efficient Au/VO2 active metasurfaces for ultrafast optical modulation

Nanophotonics, 2020
Active metasurfaces, in which the optical property of a metasurface device can be controlled by external stimuli, have attracted great research interest recently.
Kang Tongtong, Ma Zongwei, Qin Jun, Peng Zheng, Yang Weihao, Huang Taixing, Xian Shilin, Xia Shuang, Yan Wei, Yang Yucong, Sheng Zhigao, Shen Jian, Li Chaoyang, Deng Longjiang, Bi Lei   +14 more
doaj   +1 more source

Highly Transparent ITO/HfO₂/ITO Device for Visible-Light Sensing

IEEE Access, 2020
Transparent visible-light sensors are of critical importance in invisible optoelectronic circuits as the interface between the optical and electrical domains.
Pranav Sairam Kalaga, Dayanand Kumar, Diing Shenp Ang, Zviad Tsakadze   +3 more
doaj   +1 more source