Results 11 to 20 of about 805 (182)

Determination of electrical and thermal parameters of vertical-cavity surface-emitting lasers [PDF]

open access: yesMetrology and Measurement Systems, 2023
Experimental methods are presented for determining the thermal resistance of vertical-cavity surfaceemitting lasers (VCSELs) and the lateral electrical conductivity of their p-type semiconductor layers.
Patrycja Śpiewak   +8 more
doaj   +1 more source

Investigation of displacement damage to vertical-cavity surface-emitting red lasers due to 1 MeV electron radiation

open access: yesAIP Advances, 2020
The effects of displacement damage due to 1 MeV electron radiation on 680 nm and 850 nm vertical-cavity surface-emitting lasers (VCSELs) were experimentally investigated.
J. W. Chen   +10 more
doaj   +1 more source

Highly efficient thin-film 930 nm VCSEL on PDMS for biomedical applications

open access: yesScientific Reports, 2023
Recently, biocompatible optical sources have been surfacing for new-rising biomedical applications, allowing them to be used for multi-purpose technologies such as biological sensing, optogenetic modulation, and phototherapy.
Ohdo Kwon   +8 more
doaj   +1 more source

Top-emitting 940-nm thin-film VCSELs transferred onto aluminum heatsinks

open access: yesScientific Reports, 2022
Thin-film vertical cavity surface emitting lasers (VCSELs) mounted onto heatsinks open up the way toward low-power consumption and high-power operation, enabling them to be widely used for energy saving high-speed optical data communication and three ...
Sunghyun Moon   +6 more
doaj   +1 more source

Application of VCSEL in Bio-Sensing Atomic Magnetometers

open access: yesBiosensors, 2022
Recent years have seen rapid development of chip-scale atomic devices due to their great potential in the field of biomedical imaging, namely chip-scale atomic magnetometers that enable high resolution magnetocardiography (MCG) and magnetoencephalography
Peng Zhou   +8 more
doaj   +1 more source

Emulation of Spiking Response and Spiking Frequency Property in VCSEL-Based Photonic Neuron

open access: yesIEEE Photonics Journal, 2016
The dynamical response properties of photonic neuron based on vertical-cavity surface emitting lasers (VCSELs) subject to orthogonal polarized optical pulse injection stimuli have been numerically investigated. Based on the well-known spin flip model, we
Shuiying Xiang, Aijun Wen, Wei Pan
doaj   +1 more source

Relative intensity noise of temperature-stable, energy-efficient 980 nm VCSELs

open access: yesAIP Advances, 2017
The relative intensity noise (RIN) of temperature-stable, energy-efficient oxide confined vertical-cavity surface-emitting lasers (VCSELs) have been investigated. Low energy consumption data transmission is achieved by using small oxide-aperture diameter
Hui Li   +3 more
doaj   +1 more source

VCSEL pair used as optical pointers in a contact lens for gaze tracking and visual target designation

open access: yesPLoS ONE, 2022
We present a new eye-tracking and target designation device based on a contact lens incorporating a pair of vertical-cavity surface-emitting lasers (VCSELs).
François-Maël Robert   +3 more
doaj   +2 more sources

Effects of different current confinement layers in GaN-based VCSELs

open access: yesAIP Advances, 2023
For GaN-based vertical-cavity surface-emitting lasers (VCSELs), a suitable current confinement layer is essential for high-performance devices. The effect of different current confinement layers, including SiO2, AlN, and diamond, on the performance of ...
Yan-Hui Chen   +9 more
doaj   +1 more source

Transverse-mode control in VCSELs by electrically tunable liquid crystal mode filters

open access: yesAIP Advances, 2021
A distinctive method is used to achieve transverse-mode control by building and integrating a tunable liquid crystal (LC) mode filter on top of traditional vertical-cavity surface-emitting lasers (VCSELs).
Hongyan Shao   +5 more
doaj   +1 more source

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