Single-shot recording of complex THz pulses with high bandwidth, using time-stretch and Diversity Electro-Optic Sampling

Christelle Hanoun; Christophe Szwaj; Eléonore Roussel; Serge Bielawski; Pavel Evtushenko; Christof Schneider; Anton Ryzhov; Michael Kunzsch; Sergey Kovalev

doi:10.1117/12.2651258

17 March 2023 Single-shot recording of complex THz pulses with high bandwidth, using time-stretch and Diversity Electro-Optic Sampling

Christelle Hanoun, Christophe Szwaj, Eléonore Roussel, Serge Bielawski, Pavel Evtushenko, Christof Schneider, Anton Ryzhov, Michael Kunzsch, Sergey Kovalev

Author Affiliations +

Proceedings Volume PC12406, Real-time Measurements, Rogue Phenomena, and Single-Shot Applications VIII; PC124060B (2023) https://doi.org/10.1117/12.2651258
Event: SPIE LASE, 2023, San Francisco, California, United States

Abstract

Recording complex terahertz pulse shapes in single-shot is needed in various applications, ranging from terahertz time-domain spectroscopy to real-time accelerator diagnostics. Among existing solutions, association of photonic time-stretch with electro-optic detection has been shown to provide the highest repetition rates. However a fundamental bottleneck in time resolution and bandwidth has severely limited those strategies so far. We present here the first demonstration of a time-stretch ADC, that is no more subjected to this time-resolution limit, by using the DEOS (Diversity Electro-Optic Sampling) reconstruction method [1]. Experiments are performed on the ELBE intense Terahertz source. [1] Roussel et al., Light Science & Applications 11, 14 (2022) https://doi.org/10.1038/s41377-021-00696-2

Conference Presentation

Citation Download Citation

Christelle Hanoun, Christophe Szwaj, Eléonore Roussel, Serge Bielawski, Pavel Evtushenko, Christof Schneider, Anton Ryzhov, Michael Kunzsch, and Sergey Kovalev "Single-shot recording of complex THz pulses with high bandwidth, using time-stretch and Diversity Electro-Optic Sampling", Proc. SPIE PC12406, Real-time Measurements, Rogue Phenomena, and Single-Shot Applications VIII, PC124060B (17 March 2023); https://doi.org/10.1117/12.2651258

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