Results 71 to 80 of about 47,639 (261)
A hemispherical, high-solid-angle optical micro-cavity for cavity-QED studies [PDF]
, 2006 We report a novel hemispherical micro-cavity that is comprised of a planar integrated semiconductor distributed Bragg reflector (DBR) mirror, and an external, concave micro-mirror having a radius of curvature $50\mathrm{\mu m}$. The integrated DBR mirror
Bhongale, S. +10 more
core +1 more source
Advanced Science, EarlyView.A DUV‐VCSEL strategy featuring the nanometer‐class control of the cavity length is proposed in the DUV optoelectronic framework based on GaN templates. After the sapphire removal, a self‐terminated etching technology is developed, whereby the cavity length can be accurately determined by epitaxy instead of the fabrication process. As such, a record low
Chen Ji +18 more
wiley +1 more source
Modelling pressure fluctuations during flow boiling in microchannels with inlet compressibility and resistance [PDF]
, 2009 Confined bubble growth during flow boiling at low pressures in microchannels generates pressure fluctuations that may cause transient flow reversals that disturb the flow distribution in heat sinks formed of parallel channels joined by plena.
Gedupudi, S +2 more
core
Analysis of self-pulsating three-section DBR lasers [PDF]
, 2005 The characteristics of a three-section distributed Bragg reflector laser showing self-pulsation have been analyzed using a large signal time-domain traveling-wave simulator. The device dynamic properties have been investigated in all their complexity and
Bardella, Paolo, Montrosset, Ivo
core +1 more source
Emerging Device Applications From Strong Light–Matter Interactions in 2D Materials
Advanced Science, EarlyView.Two‐dimensional semiconductors enable extremely compact optoelectronic devices such as solar cells, sensors, LEDs, and lasers. Their strong light–matter interactions allow efficient light emission, detection, and energy conversion. This review article discusses the recent progress in integrating these materials with optical cavities and nanostructures ...
Janani Archana K +7 more
wiley +1 more source
Electronics Letters, 1995 The authors present for the first time DBR-emission in an electrically pumped CdZnSe/ZnSSe/MgZnSSe laser at room temperature. Longitudinal singlemode emission is observed. By changing the period of the Bragg reflector, the emission peak can be tuned over >40 meV.
G. Bacher +6 more
openaire +1 more source
Fe‐Based Nanocrystalline Magnetic Shielding Cylinder with Subfemtotesla‐Level Magnetic Noise
Advanced Science, EarlyView.Shields with low magnetic noise are achieved by integrating Fe‐based nanocrystalline magnetic shielding cylinders into shielding systems based on μ‐metal. Benefiting from high permeability and low loss factor, Fe‐based nanocrystalline magnetic shielding cylinders effectively suppress magnetic noise. Notably, the magnetic shielding cylinder with the ten‐
Peipei Shen +13 more
wiley +1 more source
The Design-based research: overview and contributions to science education
Investigações em Ensino de Ciências, 2017 The Design-Based Research (DBR) involves a new interventionist methodology that seeks to combine theoretical aspects of educational research to educational practice.
Fabiana Botelho Kneubil +1 more
doaj +1 more source
Implementing PLS for distance-based regression: computational issues [PDF]
, 2006 Distance-based regression allows for a neat implementation of the Partial Least Squares recurrence. In this paper we address practical issues arising when dealing with moderately large datasets (n ~ 10^4) such as those typical of automobile insurance ...
Boj, Eva +3 more
core +1 more source
Epitaxial lift-off for solid-state cavity quantum electrodynamics
, 2015 We present a new approach to incorporate self-assembled quantum dots into a Fabry-P\'{e}rot-like microcavity. Thereby a 3$\lambda$/4 GaAs layer containing quantum dots is epitaxially removed and attached by van der Waals bonding to one of the microcavity
Greuter, Lukas +7 more
core +1 more source