Experimental preparation and characterization of four-dimensional quantum states using polarization and time-bin modes of a single photon

Title
Experimental preparation and characterization of four-dimensional quantum states using polarization and time-bin modes of a single photon
Authors
문성욱한상욱김용수조영욱이상윤최유준유진원오경환
Keywords
Hyper-entanglement; Qudits; Single-photon two-qubit states
Issue Date
2018-07
Publisher
Optics communications
Citation
VOL 419-35
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.
URI
http://pubs.kist.re.kr/handle/201004/67492
ISSN
0030-4018
Appears in Collections:
KIST Publication > Article
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