Multi-planar amorphous silicon photonics with compact interplanar couplers, cross talk mitigation, and low crossing loss | Zendy

Jeff Chiles | Zendy; Sonia Buckley | Zendy; Nima Nader | Zendy; Sae Woo Nam | Zendy; Richard P. Mirin | Zendy; Jeffrey M. Shainline | Zendy

Open Access

Multi-planar amorphous silicon photonics with compact interplanar couplers, cross talk mitigation, and low crossing loss

Author(s) -

Jeff Chiles,

Sonia Buckley,

Nima Nader,

Sae Woo Nam,

Richard P. Mirin,

Jeffrey M. Shainline

Publication year - 2017

Publication title -

apl photonics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.094

H-Index - 34

ISSN - 2378-0967

DOI - 10.1063/1.5000384

Subject(s) - photonics , planar , resonator , waveguide , materials science , silicon photonics , optoelectronics , neuromorphic engineering , wafer , routing (electronic design automation) , nanophotonics , optics , silicon , physics , computer science , electronic engineering , engineering , artificial neural network , computer graphics (images) , machine learning

We propose and experimentally demonstrate a photonic routing architecture that canefficiently utilize the space of multi-plane (3D) photonic integration. A wafer with threeplanes of amorphous silicon waveguides was fabricated and characterized, demonstrating<3×10−4dB loss per out-of-plane waveguide crossing,0.05±0.02dB per interplane coupler, and microring resonators onthree planes with a quality factors up to 8.2×104. We also explore a phase velocity mapping strategy tomitigate the cross talk between co-propagating waveguides on different planes. Theseresults expand the utility of 3D photonic integration for applications such as opticalinterconnects, neuromorphic computing and optical phased arrays

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