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Proceedings Paper

Photonic crystal Mach-Zehnder interferometer operating in the self-collimation mode of light
Author(s): Hoang M. Nguyen; E. W. J. M. van der Drift; J. Caro; S. Rogge; H. W. M. Salemink
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Paper Abstract

Based on the self-collimation effect of light propagating inside a photonic crystal, we demonstrate a novel concept for a compact Mach-Zehnder interferometer. The properties of these self-collimated beams are such that we can manipulate them to form the beam splitters and mirrors of the Mach-Zehnder interferometer in a very compact area of 20x20 μm2. We obtain the unidirectional output behaviour characterized by the high contrast in the telecommunication-wavelength signal at the two outputs of the photonic crystal Mach-Zehnder interferometer. The experiments are done using optical transmission spectroscopy and far-field optical microscopy. This photonic crystal Mach-Zehnder interferometer holds a promise for a compact Mach-Zehnder modulator, inspired by recent reports of NEMS-based photonic crystal membrane.

Paper Details

Date Published: 24 February 2010
PDF: 7 pages
Proc. SPIE 7609, Photonic and Phononic Crystal Materials and Devices X, 76090P (24 February 2010); doi: 10.1117/12.841701
Show Author Affiliations
Hoang M. Nguyen, Delft Univ. of Technology (Netherlands)
E. W. J. M. van der Drift, Delft Univ. of Technology (Netherlands)
J. Caro, Delft Univ. of Technology (Netherlands)
S. Rogge, Delft Univ. of Technology (Netherlands)
H. W. M. Salemink, Delft Univ. of Technology (Netherlands)


Published in SPIE Proceedings Vol. 7609:
Photonic and Phononic Crystal Materials and Devices X
Ali Adibi; Shawn-Yu Lin; Axel Scherer, Editor(s)

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