Extraction of optical Bloch modes in a photonic-crystal waveguide

S.R. Huisman; G. Ctistis; S. Stobbe; J.L. Herek; P. Lodahl; W.L. Vos; P.W.H. Pinkse

doi:10.1063/1.3682105

Extraction of optical Bloch modes in a photonic-crystal waveguide

S.R. Huisman, G. Ctistis, S. Stobbe, J.L. Herek, P. Lodahl, W.L. Vos, P.W.H. Pinkse

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Abstract

We perform phase-sensitive near-field scanning optical microscopy on photonic-crystal waveguides. The observed intricate field patterns are analyzed by spatial Fourier transformations, revealing several guided transverse electric (TE) and transverse magnetic (TM) like modes. Using the reconstruction algorithm proposed by Ha et al. [Opt. Lett. 34, 3776 (2009)], we decompose the measured two-dimensional field pattern in a superposition of propagating Bloch modes. This opens new possibilities to study specific modes in near-field measurements. We apply the method to study the transverse behavior of a guided TE-like mode, where the mode extends deeper in the surrounding photonic crystal when the band edge is approached

Original language	English
Article number	033108
Pages (from-to)	1-5
Number of pages	5
Journal	Journal of Applied Physics
Volume	111
Issue number	3
DOIs	https://doi.org/10.1063/1.3682105
Publication status	Published - 2012

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title = "Extraction of optical Bloch modes in a photonic-crystal waveguide",

abstract = "We perform phase-sensitive near-field scanning optical microscopy on photonic-crystal waveguides. The observed intricate field patterns are analyzed by spatial Fourier transformations, revealing several guided transverse electric (TE) and transverse magnetic (TM) like modes. Using the reconstruction algorithm proposed by Ha et al. [Opt. Lett. 34, 3776 (2009)], we decompose the measured two-dimensional field pattern in a superposition of propagating Bloch modes. This opens new possibilities to study specific modes in near-field measurements. We apply the method to study the transverse behavior of a guided TE-like mode, where the mode extends deeper in the surrounding photonic crystal when the band edge is approached",

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T1 - Extraction of optical Bloch modes in a photonic-crystal waveguide

AU - Huisman, S.R.

AU - Ctistis, G.

AU - Stobbe, S.

AU - Herek, J.L.

AU - Lodahl, P.

AU - Vos, W.L.

AU - Pinkse, P.W.H.

PY - 2012

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AB - We perform phase-sensitive near-field scanning optical microscopy on photonic-crystal waveguides. The observed intricate field patterns are analyzed by spatial Fourier transformations, revealing several guided transverse electric (TE) and transverse magnetic (TM) like modes. Using the reconstruction algorithm proposed by Ha et al. [Opt. Lett. 34, 3776 (2009)], we decompose the measured two-dimensional field pattern in a superposition of propagating Bloch modes. This opens new possibilities to study specific modes in near-field measurements. We apply the method to study the transverse behavior of a guided TE-like mode, where the mode extends deeper in the surrounding photonic crystal when the band edge is approached

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JF - Journal of Applied Physics

SN - 0021-8979

IS - 3

M1 - 033108

ER -

Extraction of optical Bloch modes in a photonic-crystal waveguide

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