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15 March 2023 Envelope time reversal with a nonlinear time lens based on accelerating quasi-phase-matching
Oded Katz, Alon Bahabad
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Proceedings Volume PC12419, Ultrafast Phenomena and Nanophotonics XXVII; (2023) https://doi.org/10.1117/12.2647693
Event: SPIE OPTO, 2023, San Francisco, California, United States
Abstract
We show theoretically and numerically that a time-reversed replica of the pump pulse envelope in a frequency converted signal can be achieved using a nonlinear time lens realized with an accelerating spatiotemporal Quasi-Phase-Matching (QPM) modulation. The nonlinear process depends on a suitable combination of input and output dispersion, before and after the nonlinear time lens, and on the acceleration rate of a quadratic spatiotemporal QPM modulation.
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Oded Katz and Alon Bahabad "Envelope time reversal with a nonlinear time lens based on accelerating quasi-phase-matching", Proc. SPIE PC12419, Ultrafast Phenomena and Nanophotonics XXVII, (15 March 2023); https://doi.org/10.1117/12.2647693
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KEYWORDS
Modulation
Nonlinear optics
Plasmonics
Numerical simulations
Quantum information
Second-harmonic generation
Spintronics
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