Dispersive Fourier Transformation for Versatile Microwave Photonics Applications
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Dispersive Fourier Transformation for Versatile Microwave Photonics Applications
Dispersive Fourier transformation (DFT) maps the broadband spectrum of an ultrashort optical pulse into a time stretched waveform with its intensity profile mirroring the spectrum using chromatic dispersion. Owing to its capability of continuous pulse-by-pulse spectroscopic measurement and manipulation, DFT has become an emerging technique for ultrafast signal generation and processing, and hig...
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Amplified dispersive Fourier transformation (ADFT) is a powerful tool for fast real-time spectroscopy as it overcomes the limitations of traditional optical spectrometers. ADFT maps the spectrum of an optical pulse into a temporal waveform using group-velocity dispersion and simultaneously amplifies it in the optical domain. It greatly simplifies spectroscopy by replacing the diffraction gratin...
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Amplified dispersive Fourier transformation ADFT is a powerful technique that maps the spectrum of an optical pulse into a time-domain waveform using group-velocity dispersion GVD and simultaneously amplifies it in the optical domain. It replaces a diffraction grating and detector array with a dispersive fiber and single photodetector, greatly simplifying the system and, more importantly, enabl...
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Microwave photonics can be generally defined as the study of high-speed photonic devices operating at microwave or millimeter wave frequencies and their use in microwave or photonic systems. In this multidisciplinary field at the interface between microwave techniques, ultra fast electronics and photonic technologies, typical investigations include, for example, high-speed and microwave signal ...
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102 NATURE PHOTONICS | VOL 7 | FEBRUARY 2013 | www.nature.com/naturephotonics The real-time measurement of fast non-repetitive events is arguably the most challenging problem in the field of instrumentation and measurement1–4. These instruments are needed for investigating rapid transient phenomena such as chemical reactions, phase transitions, protein dynamics in living cells and impairments i...
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ژورنال
عنوان ژورنال: Photonics
سال: 2014
ISSN: 2304-6732
DOI: 10.3390/photonics1040586