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Bloch-mode extraction from near-field data in periodic waveguides

Ha, Sangwoo; Sukhorukov, Andrey A; Dossou, Kokou B; Botten, Lindsay; de Sterke, C Martijn; Kivshar, Yuri


We demonstrate that the spatial profiles of both propagating and evanescent Bloch modes in a periodic structure can be extracted from a single measurement of an electric field at the specified optical wavelength. We develop a systematic extraction procedure by extending the concepts of high-resolution spectral methods previously developed for temporal data series to take into account the symmetry properties of Bloch modes simultaneously at all spatial locations. We illustrate the application of...[Show more]

CollectionsANU Research Publications
Date published: 2009-12-15
Type: Journal article
Source: Optics letters
DOI: 10.1364/OL.34.003776


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