Results 41 to 50 of about 2,977 (160)

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

Integrated Optical Vortex Vertical-Cavity Surface-Emitting Lasers [PDF]

CLEO: 2015 Postdeadline Paper Digest, 2015
By fabricating micro-scale Spiral Phase Plates within the aperture of a Vertical-Cavity Surface-Emitting Laser, a beam carrying specific OAM modes and their superposition states can be directly emitted with high efficiency and high beam quality.
Li, Huanlu, Phillips, David B., Wang, Xuyang, Ho, Ying Lung Daniel, Chen, Lifeng, Zhou, Xiaoqi, Zhu, Jiangbo, Yu, Siyuan, Cai, Xinlun   +8 more
openaire   +2 more sources

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

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

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  

Design of Photonic Crystal Membrane-Reflector-Based VCSELs

IEEE Photonics Journal, 2012
We present here the cavity design of distributed-Bragg-reflector-free ultracompact Fano-resonance photonic crystal membrane-reflector vertical-cavity surface-emitting lasers on silicon, which consists of a III-V quantum-well active region sandwiched in ...
D. Zhao, H. Yang, S. Chuwongin, J. H. Seo, Z. Ma, W. Zhou   +5 more
doaj   +1 more source

An InGaAs Vertical-Cavity Surface-Emitting Laser Emitting at 1130 nm for Silicon Photonics Application

Photonics
A highly strained InGaAs quantum well (QW) vertical-cavity surface-emitting laser (VCSEL) with low threshold current density, high efficiency and output power emissions around 1130 nm was grown by MOCVD. Its static characteristics at room temperature and
Yunfeng Fang, Yang Zhang, Chuanchuan Li, Jian Li, Yongli Wang, Xin Wei   +5 more
doaj   +1 more source

Stochastically sustained population oscillations in high-β nanolasers

New Journal of Physics, 2013
Nonlinear dynamical systems involving small populations of individuals may sustain oscillations in the population densities arising from discrete changes in population numbers due to random events.
A Lebreton, I Abram, N Takemura, M Kuwata-Gonokami, I Robert-Philip, A Beveratos   +5 more
doaj   +1 more source

Lasing properties and carrier dynamics of CsPbBr₃ perovskite nanocrystal vertical-cavity surface-emitting laser. [PDF]

Nanophotonics, 2023
He Y, Su Z, Cao F, Cao Z, Liu Y, Zhao C, Weng G, Hu X, Tao J, Chu J, Akiyama H, Chen S.   +11 more
europepmc   +1 more source

1.3 to 1.55 $\mu\hbox{m}$ All-Optical Wavelength Conversion for VCSEL-to-VCSEL Inversion and Logic

IEEE Photonics Journal, 2012
We demonstrate all-optical wavelength conversion from the O to the C band using a 1550-nm commercial vertical-cavity surface-emitting laser (VCSEL) subject to external optical injection at 1300 nm.
Simone Mazzucato, Kevin Schires, Antonio Hurtado, Michael J. Adams, Ian D. Henning, Naci Balkan   +5 more
doaj   +1 more source