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All-Optical Approach to Microwave Frequency Measurement With Large Spectral Range and High Accuracy
KTH, School of Electrical Engineering (EES), Electromagnetic Engineering. Zhejiang University, China.ORCID iD: 0000-0002-3401-1125
2012 (English)In: IEEE Photonics Technology Letters, ISSN 1041-1135, E-ISSN 1941-0174, Vol. 24, no 7, 614-616 p.Article in journal (Refereed) Published
Abstract [en]

An all-optical approach for microwave frequency (MWF) measurement with a low-speed oscilloscope is proposed and experimentally demonstrated. In this scheme, an optical filter with a single and ultranarrow passband, together with a tunable laser and a low-speed photodiode is utilized to calculate the MWF by measuring the time delay between the sweeping optical carrier and its upper/lower sideband passing through the filter. Single-frequency and multifrequency measurements are experimentally demonstrated. The measurement recognition, accuracy, and resolution are below 0.1, 0.09, and 0.2 GHz, respectively. This proposed scheme can be easily upgraded to higher frequencies using a modulator with higher bandwidth proportional to the desired measurement range.

Place, publisher, year, edition, pages
IEEE , 2012. Vol. 24, no 7, 614-616 p.
Keyword [en]
Fiber Bragg grating Fabry-Perot (FBG-FP), large measurement range, microwave frequency measurement, microwave photonics
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
URN: urn:nbn:se:kth:diva-93923DOI: 10.1109/LPT.2012.2185688ISI: 000302085900009ScopusID: 2-s2.0-84858992628OAI: diva2:525138

QC 20120507

Available from: 2012-05-07 Created: 2012-05-03 Last updated: 2016-04-25Bibliographically approved

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He, Sailing
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