Results 81 to 90 of about 283,675 (321)
Infrared Colloidal Quantum Dot Edge Emitting Lasers Integrated on Silicon
Advanced Optical Materials, EarlyView.In this work, the first monolithic integration of Pb‐chalcogenide CQDs in an edge‐emitting DFB laser cavity onto a Si/SiO2 substrate has been demonstrated. The optimizations of SiO2 layer thickness, engineering of the grating duty cycle, and implementing λ/4 phase shift resulted in the achievement of spectrally pure, single‐mode lasing at 1650 nm with ...
Hamed Dehghanpour Baruj +5 more
wiley +1 more source
Incorporating Si into Sb2Se3: Tailoring Optical Phase Change Materials via Nanocomposites
Advanced Optical Materials, EarlyView.We study the structural, optical, and thermal effects of adding silicon to Sb2Se3 and demonstrate that the as‐deposited solid solution phase segregates after electro‐thermal switching, creating a nanocomposite with effective‐medium properties and a phase‐change response.
Chih‐Yu Lee +12 more
wiley +1 more source
Distributed Global Function Model Finding for Wireless Sensor Network Data
Applied Sciences, 2016 Function model finding has become an important tool for analysis of data collected from wireless sensor networks (WSNs). With the development of WSNs, a large number of sensors have been widely deployed so that the collected data show the characteristics
Song Deng +4 more
doaj +1 more source
, 2017 Software defined radio (SDR) has become a popular tool for the implementation and testing for communications performance. The advantage of the SDR approach includes: a re-configurable design, adaptive response to changing conditions, efficient ...
Blasch, Erik +4 more
core +1 more source
Electroluminescence and Franz–Keldysh Modulation Observed in Sn/Ge Multi‐Quantum Wells
Advanced Optical Materials, EarlyView.We investigate the optoelectronic properties of PIN diodes based on ultrathin α‐Sn/Ge multiple quantum film structures, fabricated by molecular beam epitaxy, both experimentally and theoretically. The samples exhibit a light emission spectrum in the short‐wavelength infrared range with two transitions. Furthermore, when operating as a photodetector, we
Michael Oehme +9 more
wiley +1 more source
MODELING OF AN X-SHAPED PLANAR COUPLER IN THE LABORATORY PRACTICE ON THE COURSE "OPTICAL DIGITAL TELECOMMUNICATION SYSTEMS" [PDF]
, 2021 Alyona Lopatyuk, D. Fayzrahmanov
openalex +1 more source
A brief description of the Global Weather Experiment is presented. The world weather watch program plan is described and includes a global observing system, a global data processing system, a global telecommunication system, and a voluntary cooperation ...
core +1 more source
Fuzzy Logic Path Planning System for Collision Avoidance by an Autonomous Rover Vehicle [PDF]
, 1991 Systems already developed at JSC have shown the benefits of applying fuzzy logic control theory to space related operations. Four major issues are addressed that are associated with developing an autonomous collision avoidance subsystem within a path ...
Murphy, Michael G.
core +1 more source
Advanced Photonics Research, EarlyView.This review highlights recent advances in accelerating luminescence in nanostructures through cooperative emission, resonator coupling, and nonlocal light–matter interactions. By unifying concepts such as excitonic superradiance, superfluorescence, and the plasmonic Purcell effect, it reveals physical limits of ultrafast emission and their potential ...
Masaaki Ashida +3 more
wiley +1 more source
Regulation system study for innovative communication services [PDF]
The change in the telecommunication market can be explained with the change within the traditional telecommunication services and the introduction of new innovative services.
Hong, Soonho
core