Fiber-to-chip coupler designed using an optical transformation.

Markov P, Valentine JG, Weiss SM
Opt Express. 2012 20 (13): 14705-13

PMID: 22714531 · DOI:10.1364/OE.20.014705

An integrated silicon photonics coupler for fiber to waveguide conversion was designed employing a transformation optics approach. Quasi-conformal mapping was used to obtain achievable material properties, which were realized by a distorted hexagonal lattice of air holes in silicon. The coupler, measuring only 10 μm in length and fabricated with a single-step lithography process, exhibits a peak simulated transmission efficiency of nearly 100% for in-plane mode conversion and a factor of 5 improvement over butt coupling for fiber to waveguide mode conversion in experimental testing.

MeSH Terms (8)

Electronics Equipment Design Equipment Failure Analysis Fiber Optic Technology Optical Devices Silicon Surface Plasmon Resonance Transducers

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