Longitudinal to transversal conversion of mode-locked states in an empty optical resonator

A longitudinal mode-locked state can be converted to a transverse mode-locked state by exploiting the spectral and spatial filtering of an empty optical resonator. Carrier and amplitude modulation sidebands were simultaneously transmitted by the conversion resonator, yielding phase-locked superposit...

Authors: Zwilich, Michael
Schepers, Florian K.
Fallnich, Carsten
Division/Institute:FB 11: Physik
Document types:Article
Media types:Text
Publication date:2023
Date of publication on miami:10.01.2024
Modification date:10.01.2024
Edition statement:[Electronic ed.]
Source:Optics Express 31 (2023) 16, 25943-25953
Subjects:Optical filters; Optical tweezers; Phase modulation; Spatial filtering; Spectral properties; Structured light
DDC Subject:530: Physik
License:CC BY 4.0
Language:English
Funding:Finanziert durch den Open-Access-Publikationsfonds der Universität Münster.
Format:PDF document
URN:urn:nbn:de:hbz:6-47998605172
Other Identifiers:DOI: 10.17879/57998573407
Permalink:https://nbn-resolving.de/urn:nbn:de:hbz:6-47998605172
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  • Digital documents:10.1364_OE.491697.pdf

    A longitudinal mode-locked state can be converted to a transverse mode-locked state by exploiting the spectral and spatial filtering of an empty optical resonator. Carrier and amplitude modulation sidebands were simultaneously transmitted by the conversion resonator, yielding phase-locked superpositions of up to five transverse modes. Equivalently, an amplitude-modulated beam was converted into a beam that periodically moved across the transverse plane. Precise control over the spatial beam shape during oscillation was gained by independently altering the set of transverse modes and their respective powers, which demonstrated an increased level of control in the generation of transverse mode-locked states.