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17 March 2023 Dispersion controlled pulse synthesis in non-colinear sum frequency generation
Randy Lemons, Joseph Duris, Nicole Neveu, Agostino Marinelli, Charles Durfee, Sergio Carbajo
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Proceedings Volume PC12405, Nonlinear Frequency Generation and Conversion: Materials and Devices XXII; PC1240506 (2023) https://doi.org/10.1117/12.2649351
Event: SPIE LASE, 2023, San Francisco, California, United States
Abstract
Temporal shaping of picosecond duration pulses is challenging due to limitations of direct shaping with electro-optical technologies or spectral shaping because of limited spectral content. We present an experimental implementation of a non-collinear sum frequency generation scheme wherein picosecond duration pulses with tailored temporal profiles are derived from femtosecond pulses with modified spectral phase. We demonstrate temporally shaped pulses with >20 ps duration, flat-top profile, and near transform-limited spectral content while maintaining upwards of 40% conversion efficiency. Additionally, we provide a framework for extending this technique to arbitrary temporal profiles and wavelengths.
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Randy Lemons, Joseph Duris, Nicole Neveu, Agostino Marinelli, Charles Durfee, and Sergio Carbajo "Dispersion controlled pulse synthesis in non-colinear sum frequency generation", Proc. SPIE PC12405, Nonlinear Frequency Generation and Conversion: Materials and Devices XXII, PC1240506 (17 March 2023); https://doi.org/10.1117/12.2649351
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KEYWORDS
Picosecond phenomena
Sum-frequency generation
Distortion
Pulse shaping
Dispersion
Electro optics
High power lasers
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