Cascade cavity realization for a class of complex transfer functions arising in coherent quantum feedback control

Automatica ◽  
2011 ◽  
Vol 47 (8) ◽  
pp. 1757-1763 ◽  
Author(s):  
Ian R. Petersen
Keyword(s):  
Feedback Control ◽  
Transfer Functions ◽  
Quantum Feedback ◽  
Coherent Quantum

scholarly journals Quantum feedback control of a solid-state qubit

2002 ◽  
Vol 66 (4) ◽  
Author(s):  
Rusko Ruskov ◽  
Alexander N. Korotkov
Keyword(s):  
Solid State ◽  
Feedback Control ◽  
Quantum Feedback

Deterministic generation of symmetric multi-qubit Dicke states: an application of quantum feedback control

2015 ◽  
Vol 9 (17) ◽  
pp. 2500-2505 ◽  
Author(s):  
Jia-Hua Wei ◽  
Jian-Hua Huang ◽  
Bo Qi ◽  
Hong-Yi Dai ◽  
Ming Zhang
Keyword(s):  
Feedback Control ◽  
Quantum Feedback ◽  
Dicke States

scholarly journals Simulation of the complex dynamics of mean-field p -spin models using measurement-based quantum feedback control

2020 ◽  
Vol 102 (2) ◽  
Author(s):  
Manuel H. Muñoz-Arias ◽  
Ivan H. Deutsch ◽  
Poul S. Jessen ◽  
Pablo M. Poggi
Keyword(s):  
Feedback Control ◽  
Complex Dynamics ◽  
Mean Field ◽  
Spin Models ◽  
Quantum Feedback

scholarly journals Quantum enhanced feedback cooling of a mechanical oscillator using nonclassical light

2016 ◽  
Vol 7 (1) ◽  
Author(s):  
Clemens Schäfermeier ◽  
Hugo Kerdoncuff ◽  
Ulrich B. Hoff ◽  
Hao Fu ◽  
Alexander Huck ◽  
...  
Keyword(s):  
Feedback Control ◽  
Laser Cooling ◽  
Mechanical Oscillator ◽  
Fundamental Physics ◽  
Squeezed Light ◽  
Frequency Standards ◽  
Quantum Feedback ◽  
Consequent Reduction ◽  
Light Probe ◽  
Measurement Rate

Abstract Laser cooling is a fundamental technique used in primary atomic frequency standards, quantum computers, quantum condensed matter physics and tests of fundamental physics, among other areas. It has been known since the early 1990s that laser cooling can, in principle, be improved by using squeezed light as an electromagnetic reservoir; while quantum feedback control using a squeezed light probe is also predicted to allow improved cooling. Here we show the implementation of quantum feedback control of a micro-mechanical oscillator using squeezed probe light. This allows quantum-enhanced feedback cooling with a measurement rate greater than it is possible with classical light, and a consequent reduction in the final oscillator temperature. Our results have significance for future applications in areas ranging from quantum information networks, to quantum-enhanced force and displacement measurements and fundamental tests of macroscopic quantum mechanics.

Experimental Demonstration of Fully Coherent Quantum Feedback

2000 ◽  
Vol 85 (14) ◽  
pp. 3045-3048 ◽  
Author(s):  
Richard J. Nelson ◽  
Yaakov Weinstein ◽  
David Cory ◽  
Seth Lloyd
Keyword(s):  
Experimental Demonstration ◽  
Quantum Feedback ◽  
Coherent Quantum

Dissipative preparation of multibody entanglement via quantum feedback control

2012 ◽  
Vol 86 (3) ◽  
Author(s):  
Jie Song ◽  
Yan Xia ◽  
Xiu-Dong Sun ◽  
He-Shan Song
Keyword(s):  
Feedback Control ◽  
Quantum Feedback
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