Results 31 to 40 of about 1,129 (234)

Encyclopedia of 2D β′‐In2Se3 Growth Using Chemical Vapor Deposition: The Effects of Synthesis Parameters Onto Material Quality

Advanced Engineering Materials, EarlyView.
A distinct semi‐confined inner‐tube chemical vapor deposition geometry enables reproducible, large‐area growth of phase‐pure 2D β′‐In2Se3 from InI + Se precursors. Engineering local vapor transport and optimizing precursor delivery and temperature–time conditions yield uniform continuous films.
Dasun P. W. Guruge, P. Sanju S. Panawala, Joseph F. S. Fernando, Zhenhuan Chen, Chao Zhang, Dong‐Chen Qi, Liangzhi Kou, Konstantin L. Firestein, Dmitri V. Golberg   +8 more
wiley   +1 more source

Analytic Study of the Modulation Response of Reflective Semiconductor Optical Amplifiers [PDF]

, 2015
We study themodulation response of a reflective semiconductor optical amplifier (RSOA) operated by directly modulating its injection current. We derive an analytic expression for the 3 dB modulation bandwidth, and characterize its dependence on the main ...
SANTAGIUSTINA, MARCO, HU, ZHEFENG, Mecozzi, Antonio, Antonelli, Cristian   +3 more
core   +1 more source

Intermediate Resistive State in Wafer‐Scale Vertical MoS2 Memristors Through Lateral Silver Filament Growth for Artificial Synapse Applications

Advanced Functional Materials, EarlyView.
In MOCVD MoS2 memristors, a current compliance‐regulated Ag filament mechanism is revealed. The filament ruptures spontaneously during volatile switching, while subsequent growth proceeds vertically through the MoS2 layers and then laterally along the van der Waals gaps during nonvolatile switching.
Yuan Fa, Milan Buttberg, Ke Ran, Rana Walied Ahmad, Dennis Braun, Lukas Völkel, Jimin Lee, Sofía Cruces, Bart Macco, Bárbara Canto, Holger Lerch, Thorsten Wahlbrink, Holger Kalisch, Michael Heuken, Andrei Vescan, Joachim Mayer, Zhenxing Wang, Ilia Valov, Stephan Menzel, Max C. Lemme   +19 more
wiley   +1 more source

Self-Seeded RSOA-Fiber Cavity Lasers vs. ASE Spectrum-Sliced or Externally Seeded Transmitters—A Comparative Study

Applied Sciences, 2015
Reflective semiconductor optical amplifier fiber cavity lasers (RSOA-FCLs) are appealing, colorless, self-seeded, self-tuning and cost-efficient upstream transmitters. They are of interest for wavelength division multiplexed passive optical networks (WDM-
Simon A. Gebrewold, Romain Bonjour, Sophie Barbet, Anaelle Maho, Romain Brenot, Philippe Chanclou, Marco Brunero, Lucia Marazzi, Paola Parolari, Angelina Totovic, Dejan Gvozdic, David Hillerkuss, Christian Hafner, Juerg Leuthold   +13 more
doaj   +1 more source

Akinetic Tuneable Optical Sources with Applications [PDF]

, 2015
Optical Coherence Tomography (OCT) is a modern, non-invasive imaging technique in biomedical research and medical diagnostics. It was initially developed for clinical applications in ophthalmology, providing high-resolution, cross-sectional images of the
Stancu, Radu-Florin
core  

1.25 Gbit/s bidirectional link in an access network employing a reconfigurable optical add/drop multiplexer and a reflective semiconductor optical amplifier [PDF]

, 2008
In this paper, we demonstrate symmetrical bidirectional transmission of 1.25 Gbit/s wavelength channels in an access network link employing centralized light generation, colourless optical network unit (ONU) and a reconfigurable optical add/drop ...
H. de Waardt, M. M. de Laat, de Laat, M.M., A. M. J. Koonen, E. J. Klein, Waardt, H Hugo = Huug de, G. D. Khoe, Klein, EJ, P. J. Urban, Urban, PJ Patryk, Klein, E.J., de Waardt, H., Koonen, AMJ Ton, Laat, MM de, Khoe, GD Giok-Djan, Urban, P.J., Koonen, A.M.J., Khoe, G.D.   +17 more
core   +1 more source

Integration of Low‐Voltage Nanoscale MoS2 Memristors on CMOS Microchips

Advanced Functional Materials, EarlyView.
This article presents the first monolithic integration of nanoscale MoS2‐based memristors into the back‐end‐of‐line of foundry‐fabricated CMOS microchips in a one‐transistor‐one‐resistor (1T1R) architecture. The MoS2‐based 1T1R cells exhibit forming‐free, nonvolatile resistive switching with ultra‐low operating voltages, low cycle‐to‐cycle variability ...
Jimin Lee, Sofía Cruces, Xiaohua Liu, Yang Chen, Vasilis A. Maroufidis, Janghyun Jo, Lukas Völkel, Dennis Braun, Michael Möller, Leon Brackmann, Holger Kalisch, Michael Heuken, Andrei Vescan, Rafal E. Dunin‐Borkowski, Joachim Mayer, Stefan Wiefels, Max C. Lemme   +16 more
wiley   +1 more source

Intra-Cavity Chromatic Dispersion Impacts on 10-Gb/s Optical OFDM Transmissions Over 25-km Dual-RSOA-Based Self-Seeded PON Systems

IEEE Photonics Journal, 2015
Owing to the lack of strong physical mechanisms capable of elaborately balancing a large number of longitudinal modes created in a self-seeded passive optical network (PON), the resulting coherent-like optical signals are vulnerable to frequency ...
M. L. Deng, B. Y. Cao, R. P. Giddings, Y. X. Dong, N. Jiang, D. Nesset, K. Qiu, J. M. Tang   +7 more
doaj   +1 more source

1.25-Gb/s transmission over an access network link with tunable OADM and a reflective SOA [PDF]

, 2009
The emerging broadband services and the avalanche-like growth of the broadband subscribers result in the intensification of data traffic in access networks.
Huijskens, Frans, Waardt, H Hugo = Huug de, Pluk, E.G.C., Laat, de, M.M., Urban, PJ Patryk, Pluk, EGC, Koonen, AMJ Ton, Waardt, de, H., Laat, MM de, Khoe, GD Giok-Djan, Urban, P.J., Khoe, G.D., Koonen, A.M.J.   +12 more
core   +1 more source

Optoelectronic Synaptic Devices Using Molecular Telluride Phase‐Change Inks for Three‐Factor Learning

Advanced Functional Materials, EarlyView.
Optoelectronic synaptic devices based on solution‐processed molecular telluride GST‐225 phase‐change inks are demonstrated for three‐factor learning. A global optical signal broadcast through a silicon waveguide induces non‐volatile conductance updates exclusively in locally electrically flagged memristors.
Kevin Portner, Dhananjeya Kumaar, Giacomo Torti, Killian Keller, Till Zellweger, Florian M. Schenk, Christoph Weilenmann, Daniel Chelladurai, Vara Prasad Jonnalagadda, Ghazi Sarwat Syed, Vanessa Wood, Jürg Leuthold, Alexandros Emboras, Maksym Yarema, Mathieu Luisier   +14 more
wiley   +1 more source