Video Archive
Nanoscale Photodetectors Enhanced by Optical Antennas - Salman Latif
The use of optics to make connections within and between electronic chips has been the subject of research for over 20 years because it could solve many of the problems experienced in electrical systems. A critical challenge for the convergence of optics and electronics is that the micrometer scale of optics is significantly larger than the nanometer scale of modern electronic devices. In the conversion from photons to electrons by photodetectors, this size incompatibility often leads to substantial penalties in power dissipation, area, latency and noise. A photodetector can be made smaller by using a subwavelength active region which, however, could result in very low responsivity because of the diffraction limit of the light.
Quantum Information Processing with Trapped Ions - Dietrich Leibfried
Atomic ions confined in an array of interconnected traps represent a potentially scalable approach to quantum information processing. All basic requirements have been experimentally demonstrated in one and two qubit experiments and simple quantum algorithms have been demonstrated with up to 8 qubits. The remaining task is to scale the system to hundreds and later thousands of qubits and minimize errors in the system. While this requires extremely challenging technological improvements, no fundamental roadblocks are currently foreseen. The talk will introduce the basic ideas behind this particular approach, give a survey of recent progress in implementing simple quantum algorithms and describe the efforts in scaling up towards a large scale computing device.
Femtosecond X-ray Studies of Materials -
I will describe recent experiments and new opportunities in which ultrafast laser techniques are coupled with atomic-scale resolution x-ray techniques to probe the dynamical properties of materials at the level of atoms and electrons.
Stanford Photonics Research Center
Ginzton Laboratory - AP 207 - Stanford University - Stanford, CA 94305-4088
P: 650-723-5627
F: 650-725-1822
Email: photonics@stanford.edu
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