Results 61 to 70 of about 5,425 (221)

Passively mode-locked semiconductor lasers and their applications [PDF]

, 2008
In this paper we present some characterizations of passively mode-locked semiconductor lasers. These lasers are multimode and they exhibit a modulation of their output power even though they are DC-biased.
Landais, Pascal, Latkowski, Sylwester, Surre, Frederic   +2 more
core   +1 more source

3D Anodic Alumina Nanoarchitectures: A Decade of Progress from Foundational Science to Functional Metamaterials

Advanced Materials, EarlyView.
Ordered three‐dimensional anodic aluminum oxide (3D‐AAO) nanoarchitectures with longitudinal and transverse pores enable architecture‐driven metamaterials. The review maps fabrication advances, including hybrid pulse anodization, and shows how 3D‐AAO templates tailor properties across magnetism, energy, catalysis, and sensing.
Marisol Martín‐González
wiley   +1 more source

A Widely Tunable Directly Modulated DBR Laser With High Linearity

IEEE Photonics Journal, 2014
We demonstrate a widely tunable and high-modulation-bandwidth distributed Bragg reflector (DBR) laser. With the selected butt-joint material (λg = 1.44 μm) and butt-joint angle (45°) for the grating section, a widely tuning range of ...
Liqiang Yu, Huitao Wang, Dan Lu, Song Liang, Can Zhang, Biwei Pan, Limeng Zhang, Lingjuan Zhao   +7 more
doaj   +1 more source

An integrated source of spectrally filtered correlated photons for large scale quantum photonic systems [PDF]

, 2014
We demonstrate the generation of quantum-correlated photon-pairs combined with the spectral filtering of the pump field by more than 95dB using Bragg reflectors and electrically tunable ring resonators.
Baehr-Jones, Tom, Bajoni, Daniele, Englund, Dirk, Galland, Christophe, Galli, Matteo, Grassani, Davide, Harris, Nicholas C., Hochberg, Michael, Pant, Mihir, Simbula, Angelica   +9 more
core   +4 more sources

High‐Efficiency Phosphor Thin Films With Controlled Lateral Displacement for Low Color Crosstalk in Micro‐LED Displays

Journal of the Society for Information Display, EarlyView.
High‐efficiency nano‐phosphor thin films were developed for micro‐LED color conversion, achieving high quantum efficiency and reduced lateral photon displacement. The optimized film structure effectively suppresses color crosstalk and enables high‐performance, full‐color micro‐LED displays.
Zengzhi Pei, Justin Otto, Asim Mohammed A. Noor Elahi, Jian Xu   +3 more
wiley   +1 more source

Scalable simple liquid deposition techniques for the enhancement of light absorption in thin films: Distributed Bragg reflectors coupled to 1D nanoimprinted textures

AIP Advances, 2017
Light trapping within a light absorbing medium is a key to highly efficient thin film solar cells. We propose a large-scale procedure based on materials with low absorption for the fabrication of combined Distributed Bragg Reflector (DBR) and grating ...
B. Brudieu, I. Gozhyk, W. R. Clements, S. Mazoyer, T. Gacoin, J. Teisseire   +5 more
doaj   +1 more source

Widely Tunable Semiconductor Laser Based on Digital Concatenated Grating With Multiple Phase Shifts

IEEE Photonics Journal, 2013
In this paper, we proposed a widely tunable distributed Bragg reflector (DBR) laser based on digital concatenated grating with multiple phase shifts (MPS-DCG).
Jialin Zhao, Sheng Hu, Yichao Tang, Hang Zhao, Yonglin Yu   +4 more
doaj   +1 more source

3D Polymeric Nanonetworks: From Self‐Assembly to Advanced Fabrication

Macromolecular Materials and Engineering, EarlyView.
This review provides the first systematic cross‐method comparison of fabrication techniques for 3D polymeric nanonetworks. It evaluates five key strategies—block copolymer self‐assembly, hyper‐crosslinking, template‐assisted methods, 3D printing, and nanolithography—across critical metrics including resolution, throughput, scalability, and material ...
Carlos G. Cobos, Xiang Yan, Marisol Martín‐González   +2 more
wiley   +1 more source

Optically pumped GaN-based vertical cavity surface emitting laser with strain-compensated AlGaN/InGaN distributed Bragg reflector

Applied Physics Express
We proposed a strain-compensated distributed Bragg reflector (DBR) with high reflectivity and a practical growth time. The DBR consists of AlGaN/GaN multilayer as the low refractive index layer and InGaN as the high refractive index layer.
T. Kawashima, M. Kaminishi, C. Kimura, S. Sato   +3 more
doaj   +1 more source

A Comparison of Top Distributed Bragg Reflector for 1300 nm Vertical Cavity Semiconductor Optical Amplifiers Based on III–V Compound

ARO-The Scientific Journal of Koya University, 2021
In this work, the design of GaAs/AlGaAs distributed Bragg reflector (DBR) has been implemented for 1300 nm vertical cavity semiconductor optical amplifiers (VCSOAs) for optical fiber communication applications. The top DBR period and Al concentration are
Shawbo A. Abubaker
doaj   +1 more source