Visualization of mode transformation in a planar waveguide splitter by near-field optical phase imaging

M.L.M. Balistreri; Jeroen P. Korterik; L. Kuipers; N.F. van Hulst

doi:10.1063/1.1394175

Visualization of mode transformation in a planar waveguide splitter by near-field optical phase imaging

M.L.M. Balistreri, Jeroen P. Korterik, L. Kuipers, N.F. van Hulst

Optical Sciences

Research output: Contribution to journal › Article › Academic › peer-review

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Abstract

The gradual transformation of a guided TM00 mode into an "intermediate" double mode by a splitting junction has been investigated with a phase-sensitive photon scanning tunneling microscope. Field profiles and wave vectors of the modes have been directly determined from the phase information. Via a Fourier analysis of the measured phase and amplitude maps the decay of the TM00 mode and buildup of the intermediate mode have been directly visualized. Phase singularities and phase jumps in the transition region underline the mode transformation process. Finally, a partial polarization conversion of the TM modes to TE-polarized modes has been observed. (C) 2001 American Institute of Physics.

Original language	Undefined
Pages (from-to)	910-912
Number of pages	3
Journal	Applied physics letters
Volume	79
Issue number	7
DOIs	https://doi.org/10.1063/1.1394175
Publication status	Published - 2001

Keywords

METIS-202074
IR-36477

Access to Document

10.1063/1.1394175

Cite this

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abstract = "The gradual transformation of a guided TM00 mode into an {"}intermediate{"} double mode by a splitting junction has been investigated with a phase-sensitive photon scanning tunneling microscope. Field profiles and wave vectors of the modes have been directly determined from the phase information. Via a Fourier analysis of the measured phase and amplitude maps the decay of the TM00 mode and buildup of the intermediate mode have been directly visualized. Phase singularities and phase jumps in the transition region underline the mode transformation process. Finally, a partial polarization conversion of the TM modes to TE-polarized modes has been observed. (C) 2001 American Institute of Physics.",

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AU - Balistreri, M.L.M.

AU - Korterik, Jeroen P.

AU - Kuipers, L.

AU - van Hulst, N.F.

PY - 2001

Y1 - 2001

N2 - The gradual transformation of a guided TM00 mode into an "intermediate" double mode by a splitting junction has been investigated with a phase-sensitive photon scanning tunneling microscope. Field profiles and wave vectors of the modes have been directly determined from the phase information. Via a Fourier analysis of the measured phase and amplitude maps the decay of the TM00 mode and buildup of the intermediate mode have been directly visualized. Phase singularities and phase jumps in the transition region underline the mode transformation process. Finally, a partial polarization conversion of the TM modes to TE-polarized modes has been observed. (C) 2001 American Institute of Physics.

AB - The gradual transformation of a guided TM00 mode into an "intermediate" double mode by a splitting junction has been investigated with a phase-sensitive photon scanning tunneling microscope. Field profiles and wave vectors of the modes have been directly determined from the phase information. Via a Fourier analysis of the measured phase and amplitude maps the decay of the TM00 mode and buildup of the intermediate mode have been directly visualized. Phase singularities and phase jumps in the transition region underline the mode transformation process. Finally, a partial polarization conversion of the TM modes to TE-polarized modes has been observed. (C) 2001 American Institute of Physics.

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KW - IR-36477

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DO - 10.1063/1.1394175

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