Results 81 to 90 of about 14,234 (351)

Integration of a resonant tunneling diode and an optical communications laser [PDF]

, 2006
We report on the first integration of a resonant tunneling diode and an optical communications laser operating at around 1.5 /spl μm.
Stanley, CR, Stanley, C.R., Ironside, CN, C.R. Stanley, Ironside, C.N., Farmer, C.D., Hopkinson, M., M. Hopkinson, Slight, TJ, C.D. Farmer, T.J. Slight, C.N. Ironside, Farmer, CD, Slight, T.J., Hopkinson, M   +14 more
core   +1 more source

Bandgap‐Engineered AlGaAs/GaAs Heterostructures for Wavelength‐Selective Dual‐Polarity Photoelectrochemistry

Advanced Functional Materials, EarlyView.
Bandgap‐engineered AlGaAs/GaAs heterostructures exhibit wavelength‐selective dual‐polarity photoelectrochemistry, switching from photocathodic to photoanodic response depending on excitation wavelength. The polarity transition is governed by band‐selective absorption, built‐in electric‐field‐driven carrier transport, and interfacial charge‐transfer ...
Yukai Mao, Lipin Chen, Jules Courtin, Siyu Lin, Gangri Cai, Yan Zhu, Yoan Léger, Nicolas Bertru, Jinshi Zhao, Charles Cornet   +9 more
wiley   +1 more source

Pulsed Laser-Bleaching Semiconductor and Photodetector

Sensors
Pulsed lasers alter the optical properties of semiconductors and affect the photoelectric function of the photodetectors significantly, resulting in transient changes known as bleaching.
Chen Huang, Fei Chen, Ze Zhang, Xin Tang, Meng Zhu, Junjie Sun, Yi Chen, Xin Zhang, Jinghua Yu, Yiwen Zhang   +9 more
doaj   +1 more source

Time-resolved spectra of a self-pulsing quantum dot laser

, 2010
Self-sustained pulsations in the output of an InAs quantum dot laser diode in the MHz range are reported for the first time. The characteristics (shape, range and frequency) are presented for the free running laser and when optical feedback in the ...
Radwell, N., Tierno, A., Ackemann, T.
core   +1 more source

Bioinspired Adaptive Sensors: A Review on Current Developments in Theory and Application

Advanced Materials, EarlyView.
This review comprehensively summarizes the recent progress in the design and fabrication of sensory‐adaptation‐inspired devices and highlights their valuable applications in electronic skin, wearable electronics, and machine vision. The existing challenges and future directions are addressed in aspects such as device performance optimization ...
Guodong Gong, You Zhou, Qingxiu Li, Wenyu Zhao, Sunyingyue Geng, Hangfei Li, Yan‐Bing Leng, Shirui Zhu, Guanglong Ding, Yongbiao Zhai, Ziyu Lv, Ye Zhou, Su‐Ting Han   +12 more
wiley   +1 more source

Symmetry control of high-harmonic generation in bilayer hexagonal boron nitride

AIP Advances
In this study, we explored the generation of high-order harmonics in two-dimensional hexagonal boron nitride using the semiconductor Bloch equations.
Zi-Yuan Gao, Chen-Ni Wang, Zhi-Han Huan, Wan-Dong Yu, Zhi-Hong Yang, Yun-Hui Wang   +5 more
doaj   +1 more source

Modulator-free quadrature amplitude modulation signal synthesis

, 2014
The ability to generate high-speed on-off-keyed telecommunication signals by directly modulating a semiconductor laser’s drive current was one of the most exciting prospective applications of the nascent field of laser technology throughout the 1960s ...
Kelly, Brian, O’Carroll, John, Slavík, Radan, Phelan, Richard, Richardson, David J., Liu, Zhixin, Kakande, Joseph   +6 more
core   +1 more source

Strain Engineering of Magnetoresistance and Magnetic Anisotropy in CrSBr

Advanced Materials, EarlyView.
Biaxial compressive strain significantly enhances magnetoresistance and critical saturation fields in thin flakes of the 2D magnet CrSBr, along all three crystallographic axes. First‐principles calculations link these effects to strain‐induced increases in exchange interactions and magnetic anisotropy.
Eudomar Henríquez‐Guerra, Alberto M. Ruiz, Marta Galbiati, Álvaro Cortés‐Flores, Daniel Brown, Esteban Zamora‐Amo, Lisa Almonte, Andrei Shumilin, Juan Salvador‐Sánchez, Ana Pérez‐Rodríguez, Iñaki Orue, Andrés Cantarero, Andres Castellanos‐Gomez, Federico Mompeán, Mar Garcia‐Hernandez, Efrén Navarro‐Moratalla, Enrique Diez, Mario Amado, José J. Baldoví, M. Reyes Calvo   +19 more
wiley   +1 more source

Optoelectronic–thermomagnetic effect of a microelongated non-local rotating semiconductor heated by pulsed laser with varying thermal conductivity

Open Physics
In this study, we investigated the effect of a rotation field and magnetic field on a homogeneous photo-thermoelastic nonlocal material and how its thermal conductivity changes as a result of a linearly distributed thermal load.
Raddadi Merfat H., El-Sapa Shreen, Elamin Mahjoub A., Chtioui Houda, Chteoui Riadh, El-Bary Alaa A., Lotfy Khaled   +6 more
doaj   +1 more source

Effects of intermodulation distortion on the performance of a hybrid radio/fiber system employing a self-pulsating laser diode transmitter [PDF]

, 2003
A self-pulsating laser is used to generate a multicarrier (five radio frequency (RF) channels) microwave optical signal for use in a hybrid radio/fiber system. The self-pulsation is achieved by external light injection into the laser diode.
Anandarajah, Prince M., Barry, Liam P., Kaszubowska-Anandarajah, Aleksandra   +2 more
core   +1 more source