Browsing by Author "Chaitanya, Shriddha"

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Plug-and-play fiber to waveguide connector
(2019-07-22)
Gordillo, Oscar A. Jimenez
;
Chaitanya, Shriddha
;
Chang, You-Chia
;
Dave, Utsav D.
;
Mohanty, Aseema
The mass production and commercialization of integrated photonics have been slowed down by the high cost of packaging its optical interfaces. We show a plug-and-play connector between a fiber and a nanophotonic waveguide consisting of a 3D polymer structure with a fiber entrance port that simultaneously achieves mechanical and optical passive alignment with tolerance beyond +/- 10 mu m to the fiber input position. We take advantage of a mechanical and optical co-design, analogous to commercial fiber-to-fiber connectors. We fabricate the plug-and-play couplers using 3D nanoprinting directly on foundry fabricated diffraction grating couplers. We measure an average of only 0.05 dB excess coupling loss between a single mode fiber and a high confinement silicon waveguide in addition to the inherent grating coupler loss. Our coupling platform offers a passive plug-and-play solution for scalable integrated photonics fiber-chip packaging. (C) 2019 Optical Society of America under the terms of the OSA Open Access Publishing Agreement