Generation and Measurement of Squeezed Vacuum States at Audio-Band Frequencies

Squeezed vacuum states at audio-band frequencies are important quantum resources for practical applications. We demonstrated the generation of squeezed vacuum states at the audio-band frequencies from a subthreshold optical parametric oscillator with a periodically poled KTiOPO<sub>4</sub&g...

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Bibliographic Details
Main Authors: Yinghao Gao, Jinxia Feng, Yuanji Li, Kuanshou Zhang
Format: Article
Language:English
Published: MDPI AG 2019-03-01
Series:Applied Sciences
Subjects:
Online Access:https://www.mdpi.com/2076-3417/9/7/1272