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17 March 2023 Ultra-compact and robust setup for synthesis of space-time wave packets
Murat Yessenov, Oussama Mhibik, Lam Mach, Tina M. Haywar, Rajesh Menon, Leonid Glebov, Ivan Divliansky, Ayman F. Abouraddy
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Proceedings Volume PC12436, Complex Light and Optical Forces XVII; PC124360G (2023) https://doi.org/10.1117/12.2666523
Event: SPIE OPTO, 2023, San Francisco, California, United States
Abstract
Space-time wave packets (STWPs) are pulsed fields with non-separable spatio-temporal structure that yields exotic and useful behavior. To date, STWPs have been synthesized using bulky free-space optical systems that require precise alignment. Here, we describe a compact system based on an alternative strategy for spatially resolving the spectrum, which makes use of a volume chirped Bragg grating with Bragg structure rotated by 45degree with respect to device facets. Consequently, the field exits spectrally-resolved from a facet orthogonal to the entrance. We synthesize STWPs using a pair of such devices occupying a volume of 25×25×8mm3, which is orders-of-magnitude smaller than previously.
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Murat Yessenov, Oussama Mhibik, Lam Mach, Tina M. Haywar, Rajesh Menon, Leonid Glebov, Ivan Divliansky, and Ayman F. Abouraddy "Ultra-compact and robust setup for synthesis of space-time wave packets", Proc. SPIE PC12436, Complex Light and Optical Forces XVII, PC124360G (17 March 2023); https://doi.org/10.1117/12.2666523
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KEYWORDS
Alignment procedures
Bragg gratings
Bragg wavelengths
Medium wave
Modulation
Optical components
Optical vortices
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