Preparation and characterization of arbitrary states of four-dimensional qudits based on biphotons
SCIE
SCOPUS
- Title
- Preparation and characterization of arbitrary states of four-dimensional qudits based on biphotons
- Authors
- Baek, SY; Straupe, SS; Shurupov, AP; Kulik, SP; Kim, YH
- Date Issued
- 2008-10
- Publisher
- AMER PHYSICAL SOC
- Abstract
- We report interferometric schemes to prepare arbitrary states of four-dimensional qudits (ququarts) based on biphoton states of ultrafast-pumped frequency-nondegenerate spontaneous parametric down conversion. Preparation and tomographic characterization of a few examples of general single-ququart states, a pure state, a mixed state (fully diagonal), and a mixed state (partially coherent), are experimentally demonstrated.
- URI
- https://oasis.postech.ac.kr/handle/2014.oak/11930
- DOI
- 10.1103/PhysRevA.78.042321
- ISSN
- 1050-2947
- Article Type
- Article
- Citation
- PHYSICAL REVIEW A, vol. 78, no. 4, 2008-10
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