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A novel technique to realize true time reversal of an optical signal, using dynamic Brillouin gratings in high-birefringence fibers, is proposed. A data sequence of optical pulses with 2-ns duration was efficiently time-reversed.
Tobias Kippenberg, Johann Emmeram Riemensberger, Mikhail Churaev, Xinru Ji, Terence Albert Emile Blésin, Chengli Wang, Zihan Li, Junyin Zhang, Xi Wang, Chen Yang, Wil Kao