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We report on Luxtera's technology platform, focusing on photonic device library development. As examples, we present approaches to design low-loss polarization-splitting grating couplers, high-speed phase modulators and photodetectors.
We report low insertion loss single polarization and polarization splitting grating couplers obtained on a 300mm silicon photonics platform through the fabrication of a low-cost Bragg reflector on a double SOI substrate.
We address the effects of packaging on performance, reliability and cost of photonic devices. For silicon photonics we address some specific packaging aspects. Finally we propose an approach for integration of photonics and ASICs.
Recently Silicon Photonics has generated an outstanding interest for integrated optical communications. In this paper we describe a 300mm Silicon Photonics platform designed for 25Gb/s and above applications at the three typical communication wavelengths and compatible with 3D integration. Main process features and device results are described.
We review a technology platform that enables monolithic integration of optical and electronic circuits in a mainstream CMOS process and demonstrate a grating coupler with 0.75 dB insertion loss.
We show that dynamic modulation of nanophotonic structures achieves complete optical isolation and non-reciprocal optical circulator using standard non-magnetic optoelectronic materials. We also numerically demonstrate nano-scale far-field focusing in an aperiodic array of plasmonic waveguides.
We experimentally demonstrated planar lenses based on nanoscale slit arrays in a metallic film. Electromagnetic simulations of lens designs and confocal measurements on manufactured structures show excellent agreement, but deviate from simple theory.
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