Generation of optical coherent-state superpositions by number-resolved photon subtraction from the squeezed vacuum
Journal Article
·
· Physical Review. A
- National Institute of Standards and Technology, Boulder, Colorado 80305 (United States)
- Albion College, Albion, Michigan 49224 (United States)
- National Institute of Standards and Technology, Gaithersburg, Maryland 20899 (United States)
We have created heralded coherent-state superpositions (CSSs) by subtracting up to three photons from a pulse of squeezed vacuum light. To produce such CSSs at a sufficient rate, we used our high-efficiency photon-number-resolving transition edge sensor to detect the subtracted photons. This experiment is enabled by and utilizes the full photon-number-resolving capabilities of this detector. The CSS produced by three-photon subtraction had a mean-photon number of 2.75{sub -0.24}{sup +0.06} and a fidelity of 0.59{sub -0.14}{sup +0.04} with an ideal CSS. This confirms that subtracting more photons results in higher-amplitude CSSs.
- OSTI ID:
- 21448619
- Journal Information:
- Physical Review. A, Journal Name: Physical Review. A Journal Issue: 3 Vol. 82; ISSN 1050-2947; ISSN PLRAAN
- Country of Publication:
- United States
- Language:
- English
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