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Flexible metal grating based optical fiber probe for photonic integrated circuits
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10.1063/1.2827589
/content/aip/journal/apl/92/3/10.1063/1.2827589
http://aip.metastore.ingenta.com/content/aip/journal/apl/92/3/10.1063/1.2827589
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(a) Testing an integrated nanophotonic circuit using metal grating fiber probes. The orange arrows represent the flow of light. (b) Light is coupled between the fiber and the waveguide via metal grating attached to the fiber facet. (c) Two-dimensional field plot of metal grating induced light coupling between the waveguide and the fiber probe.

Image of FIG. 2.
FIG. 2.

Alignment tolerancy analysis by two-dimensional FDTD calculations. The coupling efficiency is calculated as a function of relative position of the gold grating with respect to the fiber core. The insets illustrate the relative grating position.

Image of FIG. 3.
FIG. 3.

Fiber probe fabrication using nanoimprint and transfer lithography. First, the fiber with UV-curable resist is aligned over the specially prepared mold carrying the gold grating pattern in the mold trenches. Then, the cavities are filled and the resist is UV cured. Finally, the mold is released. The metal grating is now attached to the fiber.

Image of FIG. 4.
FIG. 4.

(a) Microscope image of the fiber probe facet containing gold gratings. (b) SEM picture of the fiber facet. The middle grating is aligned to the core. (c) Detail of the gold grating.

Image of FIG. 5.
FIG. 5.

(a) Experimentally determined wavelength-dependent coupling efficiency between a gold fiber probe and a waveguide. (b) Testing of a SOI microring resonator using two probes.

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/content/aip/journal/apl/92/3/10.1063/1.2827589
2008-01-23
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Flexible metal grating based optical fiber probe for photonic integrated circuits
http://aip.metastore.ingenta.com/content/aip/journal/apl/92/3/10.1063/1.2827589
10.1063/1.2827589
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