22 February 2017 Real-time spatiotemporal measurement of ultrafast fields from multimode optical fibers
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Abstract
Ultrashort pulses emerging from multimode optical fibers are spatiotemporally complex—the multiple fiber modes have different spatial shapes and different propagation velocities and dispersions inside fibers. To measure the complete spatiotemporal field from multimode fibers in real time, we propose and demonstrate a technique for the complete measurement of these pulses using a simple pulse characterization technique, called Spatially and Temporally Resolved Intensity and Phase Evaluation Device: Full Information from a Single Hologram (STRIPED FISH). It yields the complete electric field vs. space and time from multiple digital holograms, simultaneously recorded at different frequencies on a single camera frame.
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Zhe Guang, Michelle Rhodes, Ping Zhu, Rick Trebino, "Real-time spatiotemporal measurement of ultrafast fields from multimode optical fibers", Proc. SPIE 10089, Real-time Measurements, Rogue Phenomena, and Single-Shot Applications II, 100890B (22 February 2017); doi: 10.1117/12.2255637; https://doi.org/10.1117/12.2255637
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