搜索结果: 1-12 共查到“电子科学与技术 Quantum”相关记录12条 . 查询时间(0.12 秒)
In Building 13 on MIT’s campus, there sits a half-a-million-dollar piece of equipment that looks like a long stretched-out chandelier, with a series of gold discs connected by thin silver pipes. The e...
With superconducting diodes, scholars advance work toward ultra-efficient quantum electronic devices（图）
超导二极管 量子电子器件 磁场
2023/6/26
A research team including Brown University faculty and students created a superconducting diode without a magnetic field in multi-layer graphene, a development that could form the basis for future “lo...
Researchers develop faster,precise silica coating process for quantum dot nanorods
Researchers develop faster silica coating process quantum dot nanorods
2016/7/15
CdSe/CdS core/shell quantum dot nanorods (QDNRs) exhibit anisotropic optical properties. Overcoating QDNRs with silica (SiO2) shells is desirable for protecting the surface of the inorganic core, impa...
A Variational Eigenvalue Solver on a Photonic Quantum Processor
Variational Eigenvalue Solver Photonic Quantum Processor
2016/1/22
Quantum computers promise to efficiently solve important problems that are intractable on a conventional computer. For quantum systems, where the physical dimension grows expo-nentially, finding the e...
Advances at Oregon State University in manufacturing technology for “quantum dots” may soon lead to a new generation of LED lighting that produces a more user-friendly white light, while using less to...
JILA Physicists Discover 'Quantum Droplet' in Semiconductor（图）
Semiconductor Quantum Droplet
2014/3/20
JILA physicists used an ultrafast laser and help from German theorists to discover a new semiconductor quasiparticle—a handful of smaller particles that briefly condense into a liquid-like droplet.
Quantum Control for Broadband Attosecond Pulse Generation
High harmonic generation Isolated attosecond pulse Two-color field
2009/6/1
Abstract: In our work, we propose a scheme for coherent control the HHG with an ultrashort laser pulse in combination with a controlling pulse. It is shown that this method can significantly modulate ...
Optoelectronic Property of single Semiconductor Quantum Wire
semiconductor quantum wire terahertz field optoelectronics
2010/7/16
We theoretically study the optoelectronic property of a straight semiconductor quantum wire
partly irradiated under a transversely polarized external terahertz electromagnetic field at low temperatur...
Biaxial Strain Effects on Optical Characteristics of Quantum Well Lasers
Biaxial strain Lattice mismatch Refractive index Tensile strain
2010/12/8
The optical gain and refractive index change of a biaxially stressed quantum well lasers are studied theoretically using the multiband effective mass equation (i.e., k→⋅p→ method), deformation p...
A Brief Discussion on Energy Considerations for GaAs Parabolic Quantum Dots
Hamiltonian operator GaAs parabolic quantum dot Plasma
2010/12/8
The hamiltonian operator corresponding to a GaAs parabolic quantum dot is formulated by analyzing carefully the terms of this operator. In this formulation, certain plasma aspects are discussed with r...
Geometry Induced Localization of Electrons in Quantum Pillars
Geometry Electrons Quantum Pillars
2010/12/10
We investigate the energies and wavefunctions of a structure consisting of one small cubic box centered on top of another larger with a uniform potential inside. This model is a representation of a qu...
N-Channel InGaAs Quantum Well Lasing Thyristor (QWLT) Prepared by Molecular Beam Epitaxy
N-Channel InGaAs Quantum Well Lasing Thyristor (QWLT) Molecular Beam Epitaxy
2010/12/10
N-channel lnGaAs quantum well lasing thyristors (QWLT) based on regenerative loop of potential barrier lowering resulted from the forward biased pn junction is demonstrated in a AlGaAs/GaAs double het...