Yunran Wang
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View article: Photonic crystal enhanced light emitting diodes fabricated by single pulse laser interference lithography
Photonic crystal enhanced light emitting diodes fabricated by single pulse laser interference lithography Open
Integration of photonic crystal (PhC) configurations onto the surfaces of light-emitting diodes (LEDs) can play an important role in enhancing light extraction efficiency. While the literature is rich with various PhC fabrication approache…
View article: Fabrication of quantum dot and ring arrays by direct laser interference patterning for nanophotonics
Fabrication of quantum dot and ring arrays by direct laser interference patterning for nanophotonics Open
Epitaxially grown semiconductor quantum dots (QDs) and quantum rings (QRs) have been demonstrated to be excellent sources of single photons and entangled photon pairs enabling applications within quantum photonics. The emerging field of QD…
View article: Ordered GaAs quantum dots by droplet epitaxy using <i>in situ</i> direct laser interference patterning
Ordered GaAs quantum dots by droplet epitaxy using <i>in situ</i> direct laser interference patterning Open
We report the fabrication of highly ordered arrays of GaAs/AlGaAs quantum dots (QDs) by droplet epitaxy using in situ direct laser interference patterning. Two-dimensional arrays of Ga droplets with a periodicity of ∼300 nm are initially f…
View article: Crossing the Demarcations: How Tourism Reinforced the Wife-Prostitute Hierarchy in Tokugawa Japan
Crossing the Demarcations: How Tourism Reinforced the Wife-Prostitute Hierarchy in Tokugawa Japan Open
In the 18th century, prosperous commercial development and national infrastructure projects contributed to an unprecedented travel boom in Japan [1].As demonstrated by previous research, since travel nurtured an inclusive environment in wh…
View article: Ordered GaAs quantum dots by droplet epitaxy
Ordered GaAs quantum dots by droplet epitaxy Open
We report the fabrication of highly ordered arrays of GaAs/AlGaAs quantum dots (QDs) by droplet epitaxy using in-situ direct laser interference patterning (DLIP). Two-dimensional arrays of Ga droplets with a periodicity of ~ 300 nm are ini…
View article: Direct patterning of periodic semiconductor nanostructures using single-pulse nanosecond laser interference
Direct patterning of periodic semiconductor nanostructures using single-pulse nanosecond laser interference Open
We demonstrate an effective method for fabricating large area periodic two-dimensional semiconductor nanostructures by means of single-pulse laser interference. Utilizing a pulsed nanosecond laser with a wavelength of 355 nm, precisely ord…
View article: Fabrication of sub-micrometer periodic nanostructures using pulsed laser interference for efficient light trapping in optoelectronic devices
Fabrication of sub-micrometer periodic nanostructures using pulsed laser interference for efficient light trapping in optoelectronic devices Open
Surface nano-texturing can play an important role for efficiency enhancement of light emission and absorption in optoelectronic devices through reduced surface reflection or enhanced broadband absorption. Periodic and uniform semiconductor…
View article: In-Situ Pulsed Laser Interference Nanostructuring of Semiconductor Surfaces
In-Situ Pulsed Laser Interference Nanostructuring of Semiconductor Surfaces Open
We report the fabrication of periodic one- and two-dimensional nanostructures on semiconductor surfaces utilizing in-situ single-pulse direct laser interference patterning during molecular beam epitaxial growth. A Nd:YAG laser operating at…
View article: In-Situ Pulsed Laser Interference Nanostructuring of Semiconductor Sur-faces
In-Situ Pulsed Laser Interference Nanostructuring of Semiconductor Sur-faces Open
We report the fabrication of periodic one-and two-dimensional nanostructures on semiconductor surfaces utilizing in-situ single-pulse direct laser interference patterning during molecular beam epitaxial growth.A Nd:YAG laser operating at 3…
View article: Direct patterning of periodic semiconductor nanostructures using single-pulse nanosecond laser interference
Direct patterning of periodic semiconductor nanostructures using single-pulse nanosecond laser interference Open
We demonstrate an effective method for fabricating large area periodic two-dimensional semiconductor nanostructures by means of single-pulse laser interference. Utilizing a pulsed nanosecond laser with a wavelength of 355 nm, precisely ord…
View article: Precise Arrays of Epitaxial Quantum Dots Nucleated by In-Situ Laser Interference for Quantum Information Technology Applications
Precise Arrays of Epitaxial Quantum Dots Nucleated by In-Situ Laser Interference for Quantum Information Technology Applications Open
Precisely ordered arrays of InAs quantum dots are formed on a nanoisland-structured GaAs (100) surface using in-situ laser interference during self-assembled molecularr beam epitaxial growth. Nanoislands induced by single-pulse four-beam l…
View article: Precise Arrays of Epitaxial Quantum Dots Nucleated by In Situ Laser Interference for Quantum Information Technology Applications
Precise Arrays of Epitaxial Quantum Dots Nucleated by In Situ Laser Interference for Quantum Information Technology Applications Open
Precisely ordered arrays of InAs quantum dots are formed on a nanoisland-structured GaAs (100) surface using in situ laser interference during self-assembled molecular beam epitaxial growth. Nanoislands induced by single-pulse four-beam la…
View article: Theoretical modelling of single-mode lasing in microcavity lasers via optical interference injection
Theoretical modelling of single-mode lasing in microcavity lasers via optical interference injection Open
The effective manipulation of mode oscillation and competition is of fundamental importance for controlling light emission in semiconductor lasers. Here we develop a rate equation model which considers the spatially modulated gain and spon…
View article: Directed self-assembly of InAs quantum dots using in situ interference lithography
Directed self-assembly of InAs quantum dots using in situ interference lithography Open
Laser interference lithography is used to directly pattern the growing surface during molecular beam epitaxy growth of self-assembled InAs quantum dots on GaAs (100) substrates. Arrays of few-monolayer high nano-islands are formed prior to…
View article: In-situ laser interference patterning of MBE growth surfaces
In-situ laser interference patterning of MBE growth surfaces Open
Single-pulse laser interference is applied to a Molecular Beam Epitaxy growth chamber to achieve in-situ patterning during the growth of III-V materials, with a focus on producing arrays of III-V quantum dots. We will describe the construc…
View article: Control of quality factor in laterally coupled vertical cavities
Control of quality factor in laterally coupled vertical cavities Open
In this work, the authors demonstrate the control of quality factor ( Q ‐factor) is laterally coupled vertical cavities. A 3 μm‐side‐length square cavity directly connected to a 1.5 μm‐width, 10 μm‐length Fabry–Perot (FP) cavity has been f…
View article: Thermodynamic Processes on a Semiconductor Surface during In-Situ Multi-Beam Laser Interference Patterning
Thermodynamic Processes on a Semiconductor Surface during In-Situ Multi-Beam Laser Interference Patterning Open
Laser interference has been widely used to produce one-dimensional gratings and more recently has shown great potential for two-dimensional patterning. In this paper, we examine by simulation, its application to in-situ patterning during m…
View article: Thermodynamic processes on a semiconductor surface during in‐situ multi‐beam laser interference patterning
Thermodynamic processes on a semiconductor surface during in‐situ multi‐beam laser interference patterning Open
Laser interference has been widely used to produce one‐dimensional gratings and more recently has shown great potential for two‐dimensional patterning. In this study, the authors examine by simulation, its application to in‐situ patterning…