Path length modulation technique for scatter noise immunity in squeezing measurements
Date
2013-07-01
Authors
Wade, Andrew
Chua, Sheon S Y
Stefszky, Michael S
Shaddock, Daniel A
McClelland, David E
Journal Title
Journal ISSN
Volume Title
Publisher
Optical Society of America
Abstract
We present a technique for frequency shifting scattering induced noise on squeezed light beams, providing immunity from scattered light while preserving the squeezed states. Using a 500 Hz pre and postsqueezing apparatus path length modulation, we show up to a 20 dB reduction in scattering induced noise while recovering squeezing measurement below the shot noise level. Such a technique offers immunity to spurious scattering sources without the need for optically lossy isolation optics.
Description
Keywords
Keywords: Frequency-shifting; Induced noise; Modulation techniques; Noise immunity; Path length; Scattering source; Shot-noise level; Squeezed state; Scattering; Modulation
Citation
Collections
Source
Optics letters
Type
Journal article
Book Title
Entity type
Access Statement
License Rights
DOI
10.1364/OL.38.002265