Correlations of multiplexed quantum ghost images and improvement of the quality of restored image
The currently used ghost image schemes traditionally involve two-mode entangled light states or incoherent radiation. Here, application of four-mode entangled light states is considered. It is shown that multiplexed ghost images (MGI) formed by four-mode entangled quantum light states have mutual sp...
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| creator | Balakin, Dmitriy Belinsky, Alexander Chirkin, Anatoly S |
| description | The currently used ghost image schemes traditionally involve two-mode entangled light states or incoherent radiation. Here, application of four-mode entangled light states is considered. It is shown that multiplexed ghost images (MGI) formed by four-mode entangled quantum light states have mutual spatial correlations determined by the 8th order field correlation functions. A special algorithm to calculate high-order correlations of Bose operators was developed. We also demonstrate that the accounting of MGI correlations allows us to improve the quality of the restored image of an object when processing MGI by measurement reduction method. Computer modelling of recovery of the image from MGI was carried out. It is established that in the considered example the signal-to-noise ratio of the reduced ghost image is \(4.6\) times higher than the best signal-to-noise ratio for the ghost images themselves. |
| doi_str_mv | 10.48550/arxiv.1808.00091 |
| format | Article |
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| subjects | Algorithms Correlation Image quality Image restoration Multiplexing Physics - Quantum Physics Product design Signal to noise ratio |
| title | Correlations of multiplexed quantum ghost images and improvement of the quality of restored image |
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