Results 61 to 70 of about 6,439,042 (312)

Single-mode VCSELs

SPIE Proceedings, 2002
We compare various approaches aiming at large-area high-power single-mode oxidized VCSELs. Stable and reproducible single-mode emission with SMSR (side-mode suppression ratio) greater than 30dB and output powers well above 5mW are reported for the long monolithic cavity and self-aligned shallow surface etching approaches, both of which are suitable for
Heiko J. Unold, Sawat W. Z. Mahmoud, Roland Jaeger, Matthias Golling, Max Kicherer, Felix Mederer, Michael C. Riedl, T. Knoedl, Michael Miller, Rainer Michalzik, Karl J. Ebeling   +10 more
openaire   +2 more sources

The Effect of Multi-Oxide Layers on the Photoelectrical Performance of Double-Cavity Vertical-Cavity Surface-Emitting Lasers

Photonics
A double-cavity vertical-cavity surface-emitting laser (VCSEL) can effectively suppress high-order transverse modes and achieve a high side-mode suppression ratio (SMSR).
Zhu Shi, Xiaodong Chen, Yulian Cao, Zhigang Jia   +3 more
doaj   +1 more source

Thermodynamics of a single mesoscopic phononic mode

Physical Review Research, 2023
In recent decades, the laws of thermodynamics have been pushed down to smaller and smaller scales, within the theoretical field of stochastic thermodynamics and state-of-the-art experiments performed on microfabricated mesoscopic systems.
Ilya Golokolenov, Arpit Ranadive, Luca Planat, Martina Esposito, Nicolas Roch, Xin Zhou, Andrew Fefferman, Eddy Collin   +7 more
doaj   +1 more source

Wang-Single-mode sapphire fiber Bragg grating Fig9d.csv

, 2022
"Single-mode sapphire fiber Bragg grating" Data File 7 (Underlying data for Figure 9d) Measured guided mode profile of a sapphire fiber Bragg ...
Frank Payne (11688151), Patrick Salter (5938628), Stephen Morris (324510), Adrian Shipley (11688154), Julian Fells (5938625), Mohan Wang (4609120), Martin Booth (3957650)   +6 more
core   +1 more source

Spatiotemporal and quantitative analyses of phosphoinositides – fluorescent probe—and mass spectrometry‐based approaches

FEBS Letters, EarlyView.
Fluorescent probes allow dynamic visualization of phosphoinositides in living cells (left), whereas mass spectrometry provides high‐sensitivity, isomer‐resolved quantitation (right). Their synergistic use captures complementary aspects of lipid signaling. This review illustrates how these approaches reveal the spatiotemporal regulation and quantitative
Hiroaki Kajiho, Shin Morioka, Junko Sasaki, Takehiko Sasaki   +3 more
wiley   +1 more source

Lithographically defined cavities with high Quality and Purcell factors

JPhys Photonics
We introduce and analyze a lithographically defined cavity (Li-cavity) incorporating a buried mesa defect in a planar vertical structure, which induces transverse photonic confinement while enabling compatibility with electrical injection.
Muhammad Soroush Sultani Vala, Babak Olyaeefar, Dogukan Apaydin, Abdullah Demir   +3 more
doaj   +1 more source

Fabrication and Performance Analysis of Single-Mode Polymer Waveguides and Devices

IEEE Photonics Journal
Low-cost lithography and wet development process are optimized for fabricating single-mode polymer waveguides and de-vices with small gap structures on FR4 substrate.
Han Wu, Ruizhi Jia, Fuling Wang, Liuge Du, Xiao Xu, Jia Zhao   +5 more
doaj   +1 more source

Wang-Single-mode sapphire fiber Bragg grating Fig4a.csv

, 2022
"Single-mode sapphire fiber Bragg grating" Data File 2 (Underlying data for Figure 4a) Measured guided mode profile of a sapphire depressed cladding waveguide for TE ...
Frank Payne (11688151), Patrick Salter (5938628), Stephen Morris (324510), Adrian Shipley (11688154), Julian Fells (5938625), Mohan Wang (4609120), Martin Booth (3957650)   +6 more
core   +1 more source

Protein pyrophosphorylation by inositol pyrophosphates — detection, function, and regulation

FEBS Letters, EarlyView.
Protein pyrophosphorylation is an unusual signaling mechanism that was discovered two decades ago. It can be driven by inositol pyrophosphate messengers and influences various cellular processes. Herein, we summarize the research progress and challenges of this field, covering pathways found to be regulated by this posttranslational modification as ...
Sarah Lampe, Tanmay Kumar Mohanty, Rashna Bhandari, Dorothea Fiedler   +3 more
wiley   +1 more source

Single-mode waveguides for GRAVITY

Astronomy & Astrophysics
The second generation Very Large Telescope Interferometer (VLTI) instrument GRAVITY is a two-field infrared interferometer operating in the K band between 1.97 and 2.43 µm with either the four 8 m or the four 1.8 m telescopes of the Very Large Telescope (VLT).
G. Perrin, L. Jocou, K. Perraut, J.-Ph. Berger, R. Dembet, P. Fédou, S. Lacour, F. Chapron, C. Collin, S. Poulain, V. Cardin, F. Joulain, F. Eisenhauer, X. Haubois, S. Gillessen, M. Haug, F. Hausmann, P. Kervella, P. Léna, M. Lippa, O. Pfuhl, S. Rabien, A. Amorim, W. Brandner, C. Straubmeier   +24 more
openaire   +5 more sources