IEICE Electronics Express
Online ISSN : 1349-2543
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Asynchronous live electrooptic imaging and its application to free-running broadband signal sources
Masahiro TsuchiyaTakahiro Shiozawa
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2016 Volume 13 Issue 7 Pages 20160080

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Abstract

Asynchronous operation of the live electrooptic imaging technique has been newly proposed and successfully demonstrated, which drastically untightens the severe restrictions regarding synchronization and modulation bandwidth in its conventional master-mode operations. The new operation mode is enabled by generation of an optical LO signal as a frequency-shifted replica of an RF signal to be visualized. Real-time visualizations of free-running MHz-class wide-band FM signals as well as Bluetooth waves carrying multi-Mb/s data emitted from an onboard module have been successfully demonstrated. Limiting factors for the bandwidth thus expanded by a factor of more than 106 have been clarified and systematically evaluated.

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© 2016 by The Institute of Electronics, Information and Communication Engineers
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