Critical optical coupling between a GaAs disk and a nanowaveguide suspended on the chip

C. Baker; C. Belacel; A. Andronico; P. Senellart; A. Lemaitre; E. Galopin; S. Ducci; G. Leo; I. Favero

doi:10.1063/1.3651493

Critical optical coupling between a GaAs disk and a nanowaveguide suspended on the chip

C. Baker
, C. Belacel
, A. Andronico
, P. Senellart
, A. Lemaitre
, E. Galopin
, S. Ducci
, G. Leo
, I. Favero

École Polytechnique

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

Abstract

We report on an integrated GaAs disk/waveguide system. A millimeter-long waveguide is suspended and tapered on the chip over a length of 25 m to evanescently couple to high Q optical whispering gallery modes of a GaAs disk. The critical coupling regime is obtained both by varying the disk/guide gap distance and the width of the suspended nanoscale taper. Experimental results are in good agreement with predictions from coupled mode theory.

Original language	English
Article number	151117
Journal	Applied Physics Letters
Volume	99
Issue number	15
DOIs	https://doi.org/10.1063/1.3651493
Publication status	Published - 10 Oct 2011

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10.1063/1.3651493

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abstract = "We report on an integrated GaAs disk/waveguide system. A millimeter-long waveguide is suspended and tapered on the chip over a length of 25 m to evanescently couple to high Q optical whispering gallery modes of a GaAs disk. The critical coupling regime is obtained both by varying the disk/guide gap distance and the width of the suspended nanoscale taper. Experimental results are in good agreement with predictions from coupled mode theory.",

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AU - Baker, C.

AU - Belacel, C.

AU - Andronico, A.

AU - Senellart, P.

AU - Lemaitre, A.

AU - Galopin, E.

AU - Ducci, S.

AU - Leo, G.

AU - Favero, I.

PY - 2011/10/10

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N2 - We report on an integrated GaAs disk/waveguide system. A millimeter-long waveguide is suspended and tapered on the chip over a length of 25 m to evanescently couple to high Q optical whispering gallery modes of a GaAs disk. The critical coupling regime is obtained both by varying the disk/guide gap distance and the width of the suspended nanoscale taper. Experimental results are in good agreement with predictions from coupled mode theory.

AB - We report on an integrated GaAs disk/waveguide system. A millimeter-long waveguide is suspended and tapered on the chip over a length of 25 m to evanescently couple to high Q optical whispering gallery modes of a GaAs disk. The critical coupling regime is obtained both by varying the disk/guide gap distance and the width of the suspended nanoscale taper. Experimental results are in good agreement with predictions from coupled mode theory.

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DO - 10.1063/1.3651493

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VL - 99

JO - Applied Physics Letters

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Critical optical coupling between a GaAs disk and a nanowaveguide suspended on the chip

Abstract

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