High refractive index in wurtzite GaP measured from Fabry-Pérot resonances

S. Assali; D. Van Dam; J. E.M. Haverkort; E. P.A.M. Bakkers

doi:10.1063/1.4947443

High refractive index in wurtzite GaP measured from Fabry-Pérot resonances

S. Assali^*, D. Van Dam, J. E.M. Haverkort, E. P.A.M. Bakkers

^*Corresponding author for this work

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

4 Citations (Scopus)

Abstract

We investigate the optical emission of wurtzite GaP/Al_0.4Ga_0.6P core/shell nanowires (NWs) transferred to a SiO_x substrate to demonstrate a high degree of waveguiding of the emitted photoluminescence (PL) signal. By analysing the Fabry-Pérot mode spacing in combination with calculations of the guided modes in the NWs, we calculate a very high refractive index of bulk WZ GaP of 4.2 at a wavelength of 600 nm. The measured quality factors up to 600 indicate the excellent optical quality of the nanowire resonator.

Original language	English
Article number	173101
Journal	Applied Physics Letters
Volume	108
Issue number	17
DOIs	https://doi.org/10.1063/1.4947443
Publication status	Published - 2016

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abstract = "We investigate the optical emission of wurtzite GaP/Al0.4Ga0.6P core/shell nanowires (NWs) transferred to a SiOx substrate to demonstrate a high degree of waveguiding of the emitted photoluminescence (PL) signal. By analysing the Fabry-P{\'e}rot mode spacing in combination with calculations of the guided modes in the NWs, we calculate a very high refractive index of bulk WZ GaP of 4.2 at a wavelength of 600 nm. The measured quality factors up to 600 indicate the excellent optical quality of the nanowire resonator.",

author = "S. Assali and {Van Dam}, D. and Haverkort, {J. E.M.} and Bakkers, {E. P.A.M.}",

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AU - Assali, S.

AU - Van Dam, D.

AU - Haverkort, J. E.M.

AU - Bakkers, E. P.A.M.

PY - 2016

Y1 - 2016

N2 - We investigate the optical emission of wurtzite GaP/Al0.4Ga0.6P core/shell nanowires (NWs) transferred to a SiOx substrate to demonstrate a high degree of waveguiding of the emitted photoluminescence (PL) signal. By analysing the Fabry-Pérot mode spacing in combination with calculations of the guided modes in the NWs, we calculate a very high refractive index of bulk WZ GaP of 4.2 at a wavelength of 600 nm. The measured quality factors up to 600 indicate the excellent optical quality of the nanowire resonator.

AB - We investigate the optical emission of wurtzite GaP/Al0.4Ga0.6P core/shell nanowires (NWs) transferred to a SiOx substrate to demonstrate a high degree of waveguiding of the emitted photoluminescence (PL) signal. By analysing the Fabry-Pérot mode spacing in combination with calculations of the guided modes in the NWs, we calculate a very high refractive index of bulk WZ GaP of 4.2 at a wavelength of 600 nm. The measured quality factors up to 600 indicate the excellent optical quality of the nanowire resonator.

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U2 - 10.1063/1.4947443

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VL - 108

JO - Applied Physics Letters

JF - Applied Physics Letters

IS - 17

M1 - 173101

ER -

High refractive index in wurtzite GaP measured from Fabry-Pérot resonances

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