Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
7925286 | Optics Communications | 2018 | 6 Pages |
Abstract
We present a detailed method to prepare and characterize four-dimensional pure quantum states or ququarts using polarization and time-bin modes of a single-photon. In particular, we provide a simple method to generate an arbitrary pure ququart and fully characterize the state with quantum state tomography. We also verify the reliability of the recipe by showing experimental preparation and characterization of 20 ququart states in mutually unbiased bases. As qudits provide superior properties over qubits in many fundamental tests of quantum physics and applications in quantum information processing, the presented method will be useful for photonic quantum information science.
Keywords
Related Topics
Physical Sciences and Engineering
Materials Science
Electronic, Optical and Magnetic Materials
Authors
Jinwon Yoo, Yujun Choi, Young-Wook Cho, Sang-Wook Han, Sang-Yun Lee, Sung Moon, Kyunghwan Oh, Yong-Su Kim,