Results 71 to 80 of about 12,505 (251)

Comparaison de la diaphonie présentée par deux technologies d'intégration de barrettes de VCSEL [PDF]

, 2006
Nous présentons les résultats de simulations et caractérisations de diodes lasers VCSEL (Vertical Cavity Surface Emitting Laser) montées en barrettes selon 2 technologies distinctes: l'une de type microruban développée par Avalon Photonics, et l'autre de
Rissons, Angélique, Mollier, Jean-Claude   +1 more
core  

Supercontinuum generation with femtosecond pulse fiber amplified VECSELs [PDF]

, 2013
We present a mode-locked VECSEL emitting 400-fs pulses at a 3 GHz repetition rate at 1040 nm, amplified by a cascaded ytterbium doped fiber amplifier system to an average power of 40 W.
Head, C.Robin, Alam, Shaif Ul, Wilcox, Keith G., Keith G. Wilcox, Shepherd, David P., Head, C. Robin, Chan, Ho Yin, Price, Jonathan H.V., Anne C. Tropper, Tropper, Anne C., C. Robin Head, Shaif-ul Alam, Chan, Ho-Yin, Feehan, James S., James S. Feehan, Ho-Yin Chan, Price, Jonathan H V, Alam, Shaif-ul, David P. Shepherd, Jonathan H. V. Price   +19 more
core   +1 more source

Mode-Locked Operation of High-Order Transverse Modes in a Vertical-External-Cavity Surface-Emitting Laser

Sensors
Understanding the mechanism of mode-locking in a laser with high-order transverse mode is important for achieving an ultrashort pulses train under more complicated conditions.
Tao Wang, Yunjie Liu, Renjiang Zhu, Lidan Jiang, Huanyu Lu, Yanrong Song, Peng Zhang   +6 more
doaj   +1 more source

Integrated plasmonic circuitry on a vertical-cavity surface-emitting semiconductor laser platform

Nature Communications, 2016
Integrated plasmonic sources are crucial in the development of plasmonic circuitry. Here, McPolin et al. show that vertical-cavity surface-emitting lasers can be employed as an on-chip, electrically pumped source or detector of plasmonic signals and also
Cillian P. T. McPolin, Jean-Sebastien Bouillard, Sebastien Vilain, Alexey V. Krasavin, Wayne Dickson, Daniel O’Connor, Gregory A. Wurtz, John Justice, Brian Corbett, Anatoly V. Zayats   +9 more
doaj   +1 more source

Tailored Transverse Mode Vertical-Cavity Surface-Emitting Laser: Hollow Laser Beam Emission through Circle Aperture

IEEE Photonics Journal, 2020
Vertical-cavity surface-emitting lasers that can be controlled to emit hollow laser beam in certain LP21 mode are proposed and fabricated. A circular inverted surface relief with precisely designed diameter and thickness is introduced through theoretical
Yinli Zhou, Xing Zhang, Jianwei Zhang, Youwen Huang, Yugang Zeng, Jinjiang Cui, Yun Liu, Yongqiang Ning, Lijun Wang   +8 more
doaj   +1 more source

Experiment on VCSEL Composed of Special Structure DBRs in Integrated Optoelectronic Chip

IEEE Access, 2019
In this paper, we have demonstrated the feasibility of the proposed integrated chip by the experiments on its laser part of Vertical-cavity Surface-emitting Laser (VCSEL).
Kai Liu, Qi Wei, Junwei Luo, Xiaomin Ren, Yongqing Huang, Xiaofeng Duan, Qi Wang, Shiwei Cai, Yuan Zhong   +8 more
doaj   +1 more source

Spin induced gigahertz polarization oscillations in vertical-cavity surface-emitting laser devices

, 2011
Spin-controlled vertical-cavity surface-emitting lasers (VCSELs) have been intensively studied in recent years because of the low threshold feasibility and the nonlinearity above threshold, which make spin-VCSELs very promising for spintronic devices ...
Hofmann, M. R., M. R. Hofmann, Ackemann, Thorsten, H. Jaehme, Soldat, H., M. Y. Li, Jaehme, H., H. Soldat, N. C. Gerhardt, Gerhardt, N.C., Li, M. Y., T. Ackemann   +11 more
core   +1 more source

2-µm high-brilliance micro-cavity VECSEL with >2W output power

, 2022
Paper 89660TThis paper presents recent advances of 2-µm GaSb-based vertical external cavity surface emitting laser (VECSEL) with special emphasis on quantum deficit reduction and miniaturization.
Rattunde, Marcel, Schilling, Christian, Bächle, Andreas, Kaspar, S., Aidam, Rolf, Wagner, J., Manz, Christian, Köhler, Klaus, Holl, Peter, Adler, Steffen   +9 more
core   +1 more source

Delay Time Reduction in VCSELs by Optimizing Laser Parameters [PDF]

Iraqi Journal for Electrical and Electronic Engineering, 2016
An extensive analysis on reducing the turn-on time delay (ton) in vertical cavity surface emitting lasers (VCSELs) has conducted successfully by considering all the recombination rate coefficients R(N) Besides the R(N) coefficients, the impact of other ...
Hisham K. Hisham
doaj  

Polarization dynamics in vertical-cavity surface emitting lasers

, 2005
Experiments and their interpretation on polarization dynamics and polarization switching in vertical-cavity surface-emitting lasers operated in the fundamental transverse mode regime are reviewed.
Sondermann, M., Ackemann, Thorsten
core