Direct and Ultrabroadband Detection of the Vacuum Field

• DOI: 10.1364/cleo_qels.2014.fth5a.6
• Publication Date: 2014-06-18T10:55:52Z
• Authors: C. Riek; J. Schmidt; S. Eckart; D. V. Seletskiy; A. Leitenstorfer
• Keywords: Free space

Electro-optic sampling at center frequency and bandwidth around 70 THz allows measuring the vacuum fluctuations of electric field in free space. Distinction from detector shot noise is accomplished by modifying space-time volume probed.