Uncertainty relation for modulated broadband laser pulses

K.B. Yushkov^†^a, V.Ya. Molchanov^‡^a, E.A. Khazanov^§^b
^aNational University of Science and Technology "MISIS", Leninskii prosp. 4, Moscow, 119049, Russian Federation
^bFederal Research Center A.V. Gaponov-Grekhov Institute of Applied Physics of the Russian Academy of Sciences, ul. Ulyanova 46, Nizhny Novgorod, 603000, Russian Federation

The shaping of picosecond laser pulses with complicated amplitude and phase modulations is applied in various problems concerning the interaction of radiation with matter. Such pulses are generated by modulating femtosecond laser pulses with the help of programmable spectral filters with a complex transmission function based on spatial light modulators or acousto-optic dispersion delay lines. It is shown that the number of resolved elements and their contrast upon modulating chirped laser pulses satisfy the uncertainty relation, and the optimal bandwidth of the filter is twice the frequency range of the laser pulse. The results are experimentally confirmed for a femtosecond Ti:Sapphire laser with a high-resolution dispersion delay line.

Correspondence should be addressed to
Keywords: femtosecond laser pulse, pulse shaper, dispersion delay line, acousto-optic diffraction, uncertainty relation
PACS: 42.65.Re, 42.79.Jq (all)
DOI: 10.3367/UFNe.2020.06.038793
URL: https://ufn.ru/en/articles/2021/8/d/
Web of Science

000711503200004
Scopus

2-s2.0-85098639061
ADS NASA

2021PhyU...64..828Y
Citation: Yushkov K B, Molchanov V Ya, Khazanov E A "Uncertainty relation for modulated broadband laser pulses" Phys. Usp. 64 828–835 (2021)

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Received: 6th, June 2020, accepted: 22nd, June 2020

Оригинал: Юшков К Б, Молчанов В Я, Хазанов Е А «Соотношение неопределённости для модулированных широкополосных лазерных импульсов» УФН 191 874–881 (2021); DOI: 10.3367/UFNr.2020.06.038793

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