Results 21 to 30 of about 6,513 (222)
Design of Low-Cost Multimode Fiber Fed Indoor Wireless Networks [PDF]
, 2006 A low-cost option for transporting global system for mobile communication, Universal Mobile Telecommunication System and wideband local area network (WLAN) signals using multimode fiber (MMF) with 850-nm vertical-cavity surface-emitting lasers (VCSELs ...
Batchelor, John C. +5 more
core +1 more source
Wavelength-scale lithographic VCSELs
, 2021 We demonstrated high-efficiency room-temperature lasing from lithographic-VCSELs (i.e., Li-VCSELs) with mesa diameters ranging from 0.75 to 2.0 mu m and emission wavelength tunability under continuous-wave optical pumping. The results represent a crucial
Abdulmalik A. Madigawa +3 more
core +1 more source
PLoS 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
AIP 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
VCSELs: technologies et intégration photonique
, 2009 Depuis le premier concept proposé par K.Iga il y a 30 ans jusqu'aux recherches actuelles sur l'intégration photonique des VCSELs (pour Lasers à Cavité Verticale à Emission par la Surface), une forte activité de recherches a été déployée sur ces ...
Bardinal, Véronique
core +4 more sources
Transverse-mode control in VCSELs by electrically tunable liquid crystal mode filters
AIP 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
Distributed Bragg Reflectors for GaN-Based Vertical-Cavity Surface-Emitting Lasers
Applied Sciences, 2019 A distributed Bragg reflector (DBR) is a key building block in the formation of semiconductor microcavities and vertical cavity surface emitting lasers (VCSELs). The success in epitaxial GaAs DBR mirrors paved the way for the ubiquitous deployment of III-
Cheng Zhang, Rami ElAfandy, Jung Han
doaj +1 more source
Electronics Letters, 2023 Polarization dynamics in spin‐polarized vertical‐cavity surface‐emitting lasers (spin‐VCSELs) with high birefringence have recently been demonstrated to offer very high potential for optical data‐transmission systems that outperform their counterparts ...
Markus Lindemann +6 more
doaj +1 more source
Spin Polarization Modulation Responses of Polarization Bistable VCSELs
IEEE Photonics JournalThis study investigates the spin polarization modulation responses of vertical-cavity surface-emitting lasers (VCSELs) through numerical simulations and experimental measurements.
Nobuhide Yokota, Hiroshi Yasaka
doaj +1 more source
High‐Performance Thin‐Film VCSELs Integrated with a Copper‐Plated Heatsink
Advanced Materials Interfaces, 2023 High‐performance continuous‐wave (CW) vertical‐cavity surface‐emitting lasers (VCSELs) rely on efficient thermal management for which top‐emitting 930 nm thin‐film VCSELs are integrated with a copper‐plated heatsink by using a double‐transfer technique ...
Sunghyun Moon +7 more
doaj +1 more source