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**Harvard**

Strandberg, I. (2017) *Quantum state tomography of 1D resonance fluorescence*. Göteborg : Chalmers University of Technology

** BibTeX **

@mastersthesis{

Strandberg2017,

author={Strandberg, Ingrid},

title={Quantum state tomography of 1D resonance fluorescence},

abstract={Tomography is the name under which all state reconstruction techniques are denoted,
one of the most recognized examples being medical tomography. Quantum
state tomography is a procedure to determine the quantum state of a physical system.
By performing homodyne measurements on resonance fluorescence from an
artificial atom coupled to a one-dimensional transmission line, its quantum state
can be reconstructed. Resonance fluorescence is one of the simplest setups that
results in non-classical states of light. If these states are non-classical in the sense
that they have a negative Wigner function, they can be used as a computational
resource for quantum computing.
There are many different approaches to quantum computing. Some, like gate
based quantum computing using discrete variables like qubits, have been extensively
researched, both theoretically and experimentally. There exists and alternative
approach: continuous variable quantum computing. The continuous variables
we will be concerned with are the components of the electromagnetic field that
constitute the resonance fluorescence.
There are different parameters that affect the nature of the resonance fluorescence,
for example, the number of transmission lines the atom is coupled to, or
the strength of the driving field. In this work, we develop the tools necessary to
numerically simulate homodyne detection of resonance fluorescence for different
sets of parameters, and reconstruct the quantum state as well as calculating the
Wigner negativity.},

publisher={Institutionen för mikroteknologi och nanovetenskap, Tillämpad kvantfysik, Chalmers tekniska högskola},

place={Göteborg},

year={2017},

keywords={quantum computing, light-matter interaction, artificial atoms, quantum measurements, stochastic master equations, quantum state reconstruction, Wigner function},

note={91},

}

** RefWorks **

RT Generic

SR Electronic

ID 252882

A1 Strandberg, Ingrid

T1 Quantum state tomography of 1D resonance fluorescence

YR 2017

AB Tomography is the name under which all state reconstruction techniques are denoted,
one of the most recognized examples being medical tomography. Quantum
state tomography is a procedure to determine the quantum state of a physical system.
By performing homodyne measurements on resonance fluorescence from an
artificial atom coupled to a one-dimensional transmission line, its quantum state
can be reconstructed. Resonance fluorescence is one of the simplest setups that
results in non-classical states of light. If these states are non-classical in the sense
that they have a negative Wigner function, they can be used as a computational
resource for quantum computing.
There are many different approaches to quantum computing. Some, like gate
based quantum computing using discrete variables like qubits, have been extensively
researched, both theoretically and experimentally. There exists and alternative
approach: continuous variable quantum computing. The continuous variables
we will be concerned with are the components of the electromagnetic field that
constitute the resonance fluorescence.
There are different parameters that affect the nature of the resonance fluorescence,
for example, the number of transmission lines the atom is coupled to, or
the strength of the driving field. In this work, we develop the tools necessary to
numerically simulate homodyne detection of resonance fluorescence for different
sets of parameters, and reconstruct the quantum state as well as calculating the
Wigner negativity.

PB Institutionen för mikroteknologi och nanovetenskap, Tillämpad kvantfysik, Chalmers tekniska högskola,

LA eng

LK http://publications.lib.chalmers.se/records/fulltext/252882/252882.pdf

OL 30