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Experimental demonstration of an active phase randomization and monitor module for quantum key distribution
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10.1063/1.4746402
/content/aip/journal/apl/101/7/10.1063/1.4746402
http://aip.metastore.ingenta.com/content/aip/journal/apl/101/7/10.1063/1.4746402
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

The experimental arrangement for the QKD with measurable active phase randomization. To put it simply, we only show Alice’s arrangement in the figure. LD: laser diode; BS: 50/50 beam splitter; PBS: polarization beam splitter; IM: intensity modulator; Iso: optical isolator; PL: polarizer; PC: polarization controller; FR: faraday rotator; DL: optical delay line; PSPM: polarization sensitive phase modulator; and PIPM: polarization insensitive phase modulator.

Image of FIG. 2.
FIG. 2.

(a) shows the interference pattern of our scheme for the one-way and two-way QKD system. (b) shows the monitored photocurrent of photodiode when the phase of pulse is randomized on the range . The solid lines show the theoretical value for each case. The square sign and cross sign show the experimental result for one-way and two-way system, respectively.

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/content/aip/journal/apl/101/7/10.1063/1.4746402
2012-08-13
2014-04-16
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Experimental demonstration of an active phase randomization and monitor module for quantum key distribution
http://aip.metastore.ingenta.com/content/aip/journal/apl/101/7/10.1063/1.4746402
10.1063/1.4746402
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