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High Efficiency (EQE = 37.5%) Infrared (850 nm) Light-Emitting Diodes with Bragg and Mirror Reflectors
Developed and investigated are IR (850 nm) light-emitting diodes based on AlGaAs/Ga(In)As heterostractures grown by the MOCVD technique with multiple...
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Determining the Number of Channels of Generation in the Modeling of Wide-Contact Laser Diodes
AbstractA study is performed of ways of determining the number of mutually unphased coherent channels of the generation of radiation by a...
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Efficient near-infrared organic light-emitting diodes with emission from spin doublet excitons
The development of luminescent organic radicals has resulted in materials with excellent optical properties for near-infrared emission. Applications...
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Additive treatment yields high-performance lead-free perovskite light-emitting diodes
Tin (Sn)-based perovskites are promising for realizing lead-free perovskite light-emitting diodes
1 ,2 , yet achieving high efficiency devices remains a...
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Evaluation of the performance of linearly frequency modulated signals generated by heterodyning two free-running laser diodes
A method to evaluate the influence of the laser linewidth on the linearly frequency-modulated (LFM) signals generated by heterodyning two...
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Blocking-Layer Design for the Suppression of Parasitic Recombination in High-Power Laser Diodes with a GaAs Waveguide
AbstractUsing numerical simulation, the search for designs of asymmetric barrier layers (ABLs) in a laser diode with a GaAs waveguide emitting at a...
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Simultaneous acquisition of color and distance information by LiDAR with RGB visible laser diodes
We propose colors light detection and ranging (LiDAR) using visible laser diodes (LD) of red, green, and blue (RGB) colors to identify colors as well...
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Cladding-Pumped Bismuth-Doped Fiber Laser Emitting in the Wavelength Range 1.3–1.4 μm
AbstractFor the first time, the paper reports on the development of a bismuth-doped fiber laser with a generation wavelength of 1.3–1.4 μm pumped...
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Broadly tunable (402–535 nm) intracavity frequency-doubled Cr:LiSAF laser
We report a low-cost and compact Cr:LiSAF laser system with ultrabroad tunability in the near infrared and visible. The system is pumped by two...
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341 W Continuous-Wave Dual-End-Pumped Tm:YAP Slab Laser
In this study, we demonstrate a high-power continuous-wave (CW) Tm:YAP slab laser that is endpumped by laser diodes in a dual-end-pumped...
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Ultrastable near-infrared perovskite light-emitting diodes
Perovskite light-emitting diodes are an emerging light source technology. However, similar to perovskite solar cells, poor operational stability...
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High-efficiency and reduced efficiency roll-off of top-emitting organic light-emitting diodes
Top-emitting organic light-emitting diodes (TEOLEDs) have attracted extensive attention for their high brightness and flat-panel display. However,...
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Bright and stable near-infrared lead-free perovskite light-emitting diodes
Long-wavelength near-infrared light-emitting diodes (NIR LEDs) with peak emission wavelengths beyond 900 nm are of critical importance for various...
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First demonstration of watt-level LED-pumped actively Q-switched Nd: glass rod laser
In this paper, we demonstrated a high-performance light-emitting diodes (LEDs)-side-pumped Nd: glass rod laser with high average power at a...
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Generation of continuous wave deep UV radiation at 273 nm based on frequency doubling of a diode pumped PR:YLF laser
This report is about a continuous wave (CW) deep ultraviolet laser operation at 273 nm by intracavity frequency doubling of laser diode pumped Pr 3+ ...
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Switchable interfacial reaction enables bright and stable deep-red perovskite light-emitting diodes
High-performance deep-red light-emitting diodes (LEDs) are important for biomedical and agricultural applications. However, the development of bright...
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Silicon Light-Emitting Diodes with Dislocation-Related Luminescence Fabricated with Participation of Oxygen Precipitates
AbstractSilicon light-emitting diodes with dislocation-related electroluminescence have been studied at room temperature. For the fabrication of the...
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Phase dimensions resolving of efficient and stable perovskite light-emitting diodes at high brightness
The efficiency and stability issues of perovskite light-emitting diodes, especially at high brightness, need to be urgently solved for displays and...
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Ultrafast Tunable Photonic Integrated E-DBR Pockels Laser
The hybrid integration of III-V gain media with low-loss photonic integrated circuits has advanced the performance of laser systems in terms of laser...
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Studying the Distribution of Microhardness in a Coating Based on Tungsten Carbides Obtained by Laser Surfacing on a Stainless Steel Surface
AbstractA study is performed of the microhardness of a wear-resistant coating obtained via laser powder surfacing on surfaces of 420 stainless steel....
