Classical Pendulum Feels Quantum Back-Action
Seiten
2015
|
1st ed. 2016
Springer Verlag, Japan
978-4-431-55880-4 (ISBN)
Springer Verlag, Japan
978-4-431-55880-4 (ISBN)
In this thesis, ultimate sensitive measurement forweak force imposed on a suspended mirror is performed with the help of a laserand an optical cavity for the development of gravitational-wave detectors. One of thesources of quantum noise is the quantum back-action, which arises from thevacuum fluctuation of the light.
In this thesis, ultimate sensitive measurement for
weak force imposed on a suspended mirror is performed with the help of a laser
and an optical cavity for the development of gravitational-wave detectors.
According to the Heisenberg uncertainty principle, such measurements are
subject to a fundamental noise called quantum noise, which arises from the
quantum nature of a probe (light) and a measured object (mirror). One of the
sources of quantum noise is the quantum back-action, which arises from the
vacuum fluctuation of the light. It sways the mirror via the momentum
transferred to the mirror upon its reflection for the measurement. The author
discusses a fundamental trade-off between sensitivity and stability in the
macroscopic system, and suggests using a triangular cavity that can avoid this
trade-off. The development of an optical triangular cavity is described and its
characterization of the optomechanical effect in the triangular cavity is
demonstrated. As a result, for the first time in the world the quantum back-action
imposed on the 5-mg suspended mirror is significantly evaluated. This work
contributes to overcoming the standard quantum limit in the future.
In this thesis, ultimate sensitive measurement for
weak force imposed on a suspended mirror is performed with the help of a laser
and an optical cavity for the development of gravitational-wave detectors.
According to the Heisenberg uncertainty principle, such measurements are
subject to a fundamental noise called quantum noise, which arises from the
quantum nature of a probe (light) and a measured object (mirror). One of the
sources of quantum noise is the quantum back-action, which arises from the
vacuum fluctuation of the light. It sways the mirror via the momentum
transferred to the mirror upon its reflection for the measurement. The author
discusses a fundamental trade-off between sensitivity and stability in the
macroscopic system, and suggests using a triangular cavity that can avoid this
trade-off. The development of an optical triangular cavity is described and its
characterization of the optomechanical effect in the triangular cavity is
demonstrated. As a result, for the first time in the world the quantum back-action
imposed on the 5-mg suspended mirror is significantly evaluated. This work
contributes to overcoming the standard quantum limit in the future.
Dr.Nobuyuki Matsumoto The university of Tokyo, Physics Department matsumoto@granite.phys.s.u-tokyo.ac.jp
Introduction.- Theory of Optomechanics.- Application of Optomechanics.- Optical Torsional Spring.- Experimental Setup.- Experimental Results.- The Future.- Conclusions.
| Erscheinungsdatum | 08.10.2016 |
|---|---|
| Reihe/Serie | Springer Theses |
| Zusatzinfo | 5 Illustrations, color; 31 Illustrations, black and white; XII, 103 p. 36 illus., 5 illus. in color. |
| Verlagsort | Tokyo |
| Sprache | englisch |
| Maße | 155 x 235 mm |
| Themenwelt | Naturwissenschaften ► Physik / Astronomie ► Astronomie / Astrophysik |
| Naturwissenschaften ► Physik / Astronomie ► Optik | |
| Naturwissenschaften ► Physik / Astronomie ► Quantenphysik | |
| Naturwissenschaften ► Physik / Astronomie ► Theoretische Physik | |
| Naturwissenschaften ► Physik / Astronomie ► Thermodynamik | |
| Technik | |
| ISBN-10 | 4-431-55880-2 / 4431558802 |
| ISBN-13 | 978-4-431-55880-4 / 9784431558804 |
| Zustand | Neuware |
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