Beil, Florian W. and Blick, Robert H. and Wixforth, Achim and Wegscheider, Werner and Schuh, Dieter and Bichler, Max
Detection of coherent acoustic oscillations in a quantum electromechanical resonator.
Applied Physics Letters 90 (4), 043101.
Coherent control of occupation numbers in quantum mechanical multilevel systems is widely studied driven by its application in lasers and its prospects for quantum computational elements. Here the authors present a nanoelectromechanical resonator equivalent to the coherent control of a quantum mechanical two level system. The distinct eigenmodes of a nanomechanical beam resonator represent the two levels whose amplitude mode occupation numbers are controlled by a frequency matched acoustic excitation, mediated by a pulsed surface acoustic wave. They show that similar to quantum mechanical systems it is possible to transfer occupation numbers from one mode to another by matched acoustic pulses.
|Date:||22 January 2007|
|Institutions:|| Physics > Institute of Experimental and Applied Physics > Retired Professors > Group Werner Wegscheider|
|Keywords:||eigenvalues and eigenfunctions, quantum computing, nanotechnology, micromechanical devices, crystal resonators, surface acoustic waves, acousto-optical effects |
|Subjects:||500 Science > 530 Physics|
|Created at the University of Regensburg:||Unknown|
|Deposited On:||25 Jan 2010 13:44|
|Last Modified:||20 Jul 2011 22:18|