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Open AccessArticle

Photonic Time-Stretch Technology with Prismatic Pulse Dispersion towards Fast Real-Time Measurements

1
School of Precision Instruments and Optoelectronics Engineering, Tianjin University, Key Laboratory of Optoelectronics Information Technology, Ministry of Education, Tianjin 300072, China
2
Flight Automatic Control Research Institute, Aviation Industry Corporation of China, Xi’an, 300308, China
*
Author to whom correspondence should be addressed.
Photonics 2019, 6(3), 99; https://doi.org/10.3390/photonics6030099
Received: 5 August 2019 / Revised: 4 September 2019 / Accepted: 6 September 2019 / Published: 9 September 2019
Photonic time-stretch (PTS) technology enables revolutionary technical breakthroughs in ultrafast electronic and optical systems. By means of employing large chromatic dispersion to map the spectrum of an ultrashort optical pulse into a stretched time-domain waveform (namely, using the dispersive Fourier transformation), PTS overcomes the fundamental speed limitations of conventional techniques. The chromatic dispersion utilized in PTS can be implemented using multiple optical prism arrays, which have the particular advantages of low loss in the extended spectrum outside of the specific telecommunication band, flexibility, and cost-effectiveness. In this article, we propose and demonstrate the PTS technology established for a pair of prisms, which works as a data acquisition approach in ultrafast digitizing, imaging, and measurement regimes. View Full-Text
Keywords: fast real-time measurement; photonic time-stretch; dispersive Fourier transformation; prism pair; prismatic dispersion fast real-time measurement; photonic time-stretch; dispersive Fourier transformation; prism pair; prismatic dispersion
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Yang, L.; Chen, H.; Ma, J.; Zhu, Q.; Yang, T.; Xie, H. Photonic Time-Stretch Technology with Prismatic Pulse Dispersion towards Fast Real-Time Measurements. Photonics 2019, 6, 99.

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