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Opt Express. 2012 Mar 26;20(7):7221-36. doi: 10.1364/OE.20.007221.

Objective-first design of high-efficiency, small-footprint couplers between arbitrary nanophotonic waveguide modes.

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1
Stanford University, Stanford, California, USA. jesselu@stanford.edu

Abstract

We present an algorithm for designing high efficiency (∼98%), small-footprint (1.5-4 square vacuum wavelengths) couplers between arbitrary nanophotonic waveguide modes in two dimensions. Our "objective-first" method is computationally fast (15 minutes on a single-core personal computer), requires no trial-and-error, and does not require guessing a good starting design. We demonstrate designs for various coupling problems which suggest that our method allows for the design of any single-mode, linear optical device.

PMID:
22453404
[Indexed for MEDLINE]
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