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Inverse design and demonstration of a compact and broadband on-chip wavelength demultiplexer
Alexander Y. Piggott, Jesse Lu, Konstantinos G. Lagoudakis +3
Integrated photonic devices are poised to play a key role in a wide variety of applications, ranging from optical interconnects and sensors to quantum computing. However, only a sm…
Inverse design and implementation of a wavelength demultiplexing grating coupler
Alexander Y. Piggott, Jesse Lu, Thomas M. Babinec +3
Nanophotonics has emerged as a powerful tool for manipulating light on chips. Almost all of today's devices, however, have been designed using slow and ineffective brute-force sear…
Nanophotonic Computational Design
Jesse Lu, Jelena Vuckovic
In contrast to designing nanophotonic devices by tuning a handful of device parameters, we have developed a computational method which utilizes the full parameter space to design l…
Coupled fiber taper extraction of 1.53 um photoluminescence from erbium doped silicon nitride photonic crystal cavities
Gary Shambat, Yiyang Gong, Jesse Lu +4
Optical fiber tapers are used to collect photoluminescence emission at ~1.5 um from photonic crystal cavities fabricated in erbium doped silicon nitride on silicon. Photoluminescen…
Inverse design of nanophotonic structures using complementary convex optimization
Jesse Lu, Jelena Vuckovic
A computationally-fast inverse design method for nanophotonic structures is presented. The method is based on two complementary convex optimization problems which modify the dielec…
Plasmonic Enhancement of Emission from Si-nanocrystals
Yiyang Gong, Jesse Lu, Szu-Lin Cheng +2
Plasmonic gratings of different periodicities are fabricated on top of Silicon nanocrystals embedded in Silicon Dioxide. Purcell enhancements of up to 2 were observed, which matche…