Results 21 to 30 of about 805 (182)
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
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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
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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
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Bi-LSTM-Augmented Deep Neural Network for Multi-Gbps VCSEL-Based Visible Light Communication Link
Sensors, 2022 With the remarkable advances in vertical-cavity surface-emitting lasers (VCSELs) in recent decades, VCSELs have been considered promising light sources in the field of optical wireless communications.
Seoyeon Oh +4 more
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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
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ARO-The Scientific Journal of Koya University, 2021 Geometrical contacts of a double mesa structure with 16 rows ×15 columns arrays of top emitting GaAs based 980 nm vertical cavity surface emitting lasers (VCSELs) are fabricated and characterized.
Faten A. Chaqmaqchee
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Advanced Materials Technologies, EarlyView.Transducers convert physical signals into electrical and optical representations, yet each mechanism is bounded by intrinsic trade‐offs across bandwidth, sensitivity, speed, and energy. This review maps transduction mechanisms across physical scale and frequency, showing how heterogeneous integration and multiphysics co‐design transform isolated ...
Aolei Xu +8 more
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Photonics, 2023 Bit-loaded quadrature amplitude modulation-orthogonal frequency division multiplexing (QAM-OFDM) encoding and photonic-crystal-engineered multi-mode vertical-cavity surface-emitting lasers (MM-VCSELs) transmission performance are analyzed.
Yu-Hong Lin +5 more
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Photonic‐Enabled Energy‐Efficient Transparent Neuromorphic Computing Devices: A Review
Advanced Science, EarlyView.Transparent photonic neuromorphic computing devices merge optics and brain‐inspired computing to overcome von Neumann bottlenecks with ultrafast, low‐energy processing. By exploiting transparent oxides, 2D materials, phase‐change materials, and hybrid heterostructures, these platforms enable photonic synapses, memory, and logic for see‐through edge ...
Shuvaraj Ghosh +8 more
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Long-wavelength VCSELs with buried tunnel junction: design optimization
JPhys PhotonicsThe review is focused on reporting about design optimizations of the long-wavelength (LW) vertical-cavity surface-emitting laser (VCSELs) with an aperture formed by regrown (buried) tunnel junctions, pioneered by Amann et al from the Technical University
Andrey V Babichev +7 more
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