Uncovering dispersion properties in semiconductor waveguides to study photon-pair generation

K. Laiho; B. Pressl; A. Schlager; H. Suchomel; M. Kamp; S. Höfling; C. Schneider; G. Weihs

doi:10.1088/0957-4484/27/43/434003

Uncovering dispersion properties in semiconductor waveguides to study photon-pair generation

K. Laiho, B. Pressl, A. Schlager, H. Suchomel, M. Kamp, S. Höfling, C. Schneider, G. Weihs

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

Abstract

We investigate the dispersion properties of ridge Bragg-reflection waveguides to deduce their phasematching characteristics. These are crucial for exploiting them as sources of parametric down-conversion (PDC). In order to estimate the phasematching bandwidth we first determine the group refractive indices of the interacting modes via Fabry–Perot experiments in two distant wavelength regions. Second, by measuring the spectra of the emitted PDC photons, we gain access to their group index dispersion. Our results offer a simple approach for determining the PDC process parameters in the spectral domain, and provide important feedback for designing such sources, especially in the broadband case.

Original language	English
Article number	434003
Number of pages	8
Journal	Nanotechnology
Volume	27
Issue number	43
DOIs	https://doi.org/10.1088/0957-4484/27/43/434003
Publication status	Published - 23 Sept 2016

Keywords

Bragg-reflection waveguide
Parametric down-conversion
Phasematching
Group refraction index

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10.1088/0957-4484/27/43/434003Licence: CC BY

Hoefling_2016_Nanotech_Photon-pairGeneration_CC
© 2016 IOP Publishing Ltd. This is an Open Access article. Original content from this work may be used under the terms of the Creative Commons Attribution 3.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.
Final published version, 1.11 MBLicence: CC BY

Cite this

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title = "Uncovering dispersion properties in semiconductor waveguides to study photon-pair generation",

abstract = "We investigate the dispersion properties of ridge Bragg-reflection waveguides to deduce their phasematching characteristics. These are crucial for exploiting them as sources of parametric down-conversion (PDC). In order to estimate the phasematching bandwidth we first determine the group refractive indices of the interacting modes via Fabry–Perot experiments in two distant wavelength regions. Second, by measuring the spectra of the emitted PDC photons, we gain access to their group index dispersion. Our results offer a simple approach for determining the PDC process parameters in the spectral domain, and provide important feedback for designing such sources, especially in the broadband case.",

keywords = "Bragg-reflection waveguide, Parametric down-conversion, Phasematching, Group refraction index",

author = "K. Laiho and B. Pressl and A. Schlager and H. Suchomel and M. Kamp and S. H{\"o}fling and C. Schneider and G. Weihs",

note = "This work was supported by the FWF through project no. I-2065-N27, the DFG Project no. SCHN1376/2-1, the ERC project EnSeNa (257531) and the State of Bavaria.",

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T1 - Uncovering dispersion properties in semiconductor waveguides to study photon-pair generation

AU - Laiho, K.

AU - Pressl, B.

AU - Schlager, A.

AU - Suchomel, H.

AU - Kamp, M.

AU - Höfling, S.

AU - Schneider, C.

AU - Weihs, G.

N1 - This work was supported by the FWF through project no. I-2065-N27, the DFG Project no. SCHN1376/2-1, the ERC project EnSeNa (257531) and the State of Bavaria.

PY - 2016/9/23

Y1 - 2016/9/23

N2 - We investigate the dispersion properties of ridge Bragg-reflection waveguides to deduce their phasematching characteristics. These are crucial for exploiting them as sources of parametric down-conversion (PDC). In order to estimate the phasematching bandwidth we first determine the group refractive indices of the interacting modes via Fabry–Perot experiments in two distant wavelength regions. Second, by measuring the spectra of the emitted PDC photons, we gain access to their group index dispersion. Our results offer a simple approach for determining the PDC process parameters in the spectral domain, and provide important feedback for designing such sources, especially in the broadband case.

AB - We investigate the dispersion properties of ridge Bragg-reflection waveguides to deduce their phasematching characteristics. These are crucial for exploiting them as sources of parametric down-conversion (PDC). In order to estimate the phasematching bandwidth we first determine the group refractive indices of the interacting modes via Fabry–Perot experiments in two distant wavelength regions. Second, by measuring the spectra of the emitted PDC photons, we gain access to their group index dispersion. Our results offer a simple approach for determining the PDC process parameters in the spectral domain, and provide important feedback for designing such sources, especially in the broadband case.

KW - Bragg-reflection waveguide

KW - Parametric down-conversion

KW - Phasematching

KW - Group refraction index

U2 - 10.1088/0957-4484/27/43/434003

DO - 10.1088/0957-4484/27/43/434003

M3 - Article

SN - 0957-4484

VL - 27

JO - Nanotechnology

JF - Nanotechnology

IS - 43

M1 - 434003

ER -

Uncovering dispersion properties in semiconductor waveguides to study photon-pair generation

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Keywords

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