Results 61 to 70 of about 220,832 (286)
A new tapered semiconductor laser with integrated multimode interference coupler
Frontiers in PhysicsA new tapered semiconductor laser with an integrated multimode interference coupler is presented in this paper. The seed source of the new laser is a multimode interference coupler semiconductor laser, which overcomes the limitations imposed by the ...
Jianxin Zhang +11 more
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In-situ tuning of individual position-controlled nanowire quantum dots via laser-induced intermixing
, 2018 We demonstrate an in-situ technique to tune the emission energy of semiconductor quantum dots. The technique is based on laser-induced atomic intermixing applied to nanowire quantum dots grown using a site-selective process that allows for the ...
Aers, Geof C. +6 more
core +1 more source
Control of Polarization and Polar Helicity in BiFeO3 by Epitaxial Strain and Interfacial Chemistry
Advanced Functional Materials, EarlyView.In BiFeO3 thin films, the interplay of interfacial chemistry, electrostatics, and epitaxial strain is engineered to stabilize homohelicity in polarization textures at the domain scale. The synergistic use of a Bi2O2‐terminated Aurivillius buffer layer and a highly anisotropic compressive epitaxial strain offers new routes to control the polar‐texture ...
Elzbieta Gradauskaite +5 more
wiley +1 more source
Featureless Broadband Chaos Through Cascaded Optically Injected Semiconductor Lasers
PhotonicsOptical chaos generated by a semiconductor laser under cascaded optical injection is experimentally and numerically investigated. A semiconductor slave laser under continuous-wave optical injection from a master laser is employed as the chaotic laser ...
Mohammad AlMulla
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Photonics, 2021 As the application requirements of semiconductor lasers continue to increase, severe challenges are brought to the reliability of semiconductor lasers.
Tianyu Sun, Lei Qiao, Mingjun Xia
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Spin-to-Orbital Angular Momentum Conversion in Semiconductor Microcavities [PDF]
, 2011 We experimentally demonstrate a technique for the generation of optical beams carrying orbital angular momentum using a planar semiconductor microcavity.
A. V. Kavokin +12 more
core +2 more sources
Lithium Intercalation in the Anisotropic Van Der Waals Semiconductor CrSBr
Advanced Functional Materials, EarlyView.We report the lithium intercalation in the layered van der Waals crystal CrSBr, revealing strongly anisotropic ion‐migration dynamics. Optical and electrical characterization of exfoliated CrSBr shows lithium diffusion coefficients that differ by more than an order of magnitude along a‐ and b‐directions, consistent with molecular dynamics simulations ...
Kseniia Mosina +13 more
wiley +1 more source
Adopting Small Signal Model for the Equivalent Circuit Instrumentation of a Multi-QuantumWells Semiconductor Laser [PDF]
Engineering and Technology Journal, 2007 In this study, results of an analysis for the MQW semiconductor laser performance are presented. This analysis considers the steady-state condition and small signal modeling to introduce optical gain, charge carrier density, current and output laser ...
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Pure frequency oscillations of semiconductor lasers with filtered optical feedback [PDF]
, 2005 A semiconductor laser subject to delayed filtered optical feedback can show pure frequency oscillations with a period of the order to the delay time, while the power remains practically constant.
Erzgraber, H, Krauskopf, B, Lenstra, D
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Advanced Functional Materials, EarlyView.The negative electron affinity of diamond allows to emit highly reductive electrons. By introducing intra‐bandgap states and an optimized electron transfer mechanism by surface functionalization with Ru(bpy)3, the formation of solvated electrons is achieved upon solar irradiation.
Benjamin Kiendl +20 more
wiley +1 more source