Cut-off rate analysis of practical quantum receivers

Masahiro Takeoka; Kenji Tsujino; Masahide Sasaki

doi:10.1080/09500340903203103

Cut-off rate analysis of practical quantum receivers

Masahiro Takeoka, Kenji Tsujino, Masahide Sasaki

Research output: Contribution to journal › Article › peer-review

6 Citations (Scopus)

Abstract

Quantum communication with binary nonorthogonal pure states and single-shot measurements are discussed in terms of reliability function and cut-off rate. It is shown that some of different measurement strategies simultaneously attain the maximum single-shot cut-off rate. We also apply these measurements to the BPSK optical coherent states and compare them with the homodyne detection. Numerical results show that even including realistic imperfections, it is possible to exceed the homodyne limited cut-off rate.

Original language	English
Pages (from-to)	207-212
Number of pages	6
Journal	Journal of Modern Optics
Volume	57
Issue number	3
DOIs	https://doi.org/10.1080/09500340903203103
Publication status	Published - 2010 Jan
Externally published	Yes

Keywords

BPSK coherent signal
Cut-off rate
Minimum error discrimination
Reliability function
Unambiguous state discrimination

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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10.1080/09500340903203103

Cite this

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abstract = "Quantum communication with binary nonorthogonal pure states and single-shot measurements are discussed in terms of reliability function and cut-off rate. It is shown that some of different measurement strategies simultaneously attain the maximum single-shot cut-off rate. We also apply these measurements to the BPSK optical coherent states and compare them with the homodyne detection. Numerical results show that even including realistic imperfections, it is possible to exceed the homodyne limited cut-off rate.",

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N2 - Quantum communication with binary nonorthogonal pure states and single-shot measurements are discussed in terms of reliability function and cut-off rate. It is shown that some of different measurement strategies simultaneously attain the maximum single-shot cut-off rate. We also apply these measurements to the BPSK optical coherent states and compare them with the homodyne detection. Numerical results show that even including realistic imperfections, it is possible to exceed the homodyne limited cut-off rate.

AB - Quantum communication with binary nonorthogonal pure states and single-shot measurements are discussed in terms of reliability function and cut-off rate. It is shown that some of different measurement strategies simultaneously attain the maximum single-shot cut-off rate. We also apply these measurements to the BPSK optical coherent states and compare them with the homodyne detection. Numerical results show that even including realistic imperfections, it is possible to exceed the homodyne limited cut-off rate.

KW - BPSK coherent signal

KW - Cut-off rate

KW - Minimum error discrimination

KW - Reliability function

KW - Unambiguous state discrimination

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Cut-off rate analysis of practical quantum receivers

Abstract

Keywords

ASJC Scopus subject areas

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