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Propagation-invariant space-time supermodes in a multimode waveguide
Abbas Shiri, Scott Webster, Kenneth L. Schepler +1
When an optical pulse is spatially localized in a highly multimoded waveguide, its energy is typically distributed among a multiplicity of modes, thus giving rise to a speckled tra…
Three-Photon Absorption Spectra and Bandgap Scaling in Direct-Gap Semiconductors
Sepehr Benis, Claudiu M. Cirloganu, Nicholas Cox +11
This paper presents three-photon absorption (3PA) measurement results for nine direct-gap semiconductors, including full 3PA spectra for ZnSe, ZnS, and GaAs. These results, along w…
Hybrid guided space-time optical modes in unpatterned films
Abbas Shiri, Murat Yessenov, Scott Webster +2
Light can be confined transversely and delivered axially in a waveguide. However, waveguides are lossy static structures whose modal characteristics are fundamentally determined by…