Thermal charge carrier driven noise in transmissive semiconductor optics

authored by
F. Bruns, S. P. Vyatchanin, J. Dickmann, R. Glaser, D. Heinert, R. Nawrodt, S. Kroker
Abstract

Several sources of noise limit the sensitivity of current gravitational wave detectors. Currently, dominant noise sources include quantum noise and thermal Brownian noise, but future detectors will also be limited by other thermal noise channels. In this paper, we study a thermal noise source which is caused by spatial charge carrier density variations in semiconductor materials. We provide an analytical model for the understanding of charge carrier fluctuations under the presence of screening effects and show that charge carrier noise will not be a limiting noise source for third-generation gravitational wave detectors.

External Organisation(s)
Technische Universität Braunschweig
Lomonosov Moscow State University
National Metrology Institute of Germany (PTB)
Friedrich Schiller University Jena
University of Stuttgart
Type
Article
Journal
Physical Review D
Volume
102
ISSN
2470-0010
Publication date
15.07.2020
Publication status
Published
Peer reviewed
Yes
ASJC Scopus subject areas
Physics and Astronomy (miscellaneous)
Electronic version(s)
https://doi.org/10.1103/PhysRevD.102.022006 (Access: Unknown)