Work

Fully-automated optimization of grating couplers

Year: 2018

Type: article

Abstract: We present a gradient-based algorithm to design general 1D grating couplers without any human input from start to finish, including a choice of initial condition. We show that we can reliably design efficient couplers to have multiple functionalities in different geometries, including conventional couplers for single-polarization and single-wavelength operation, polarization-insensitive couplers, and wavelength-demultiplexing couplers. In particular, we design a fiber-to-chip blazed grating with under 0.2 dB insertion loss that requires a single etch to fabricate and no back-reflector.

Source: Optics Express

DOI: 10.1364/oe.26.004023

Authors: Logan Su, Rahul Trivedi, Neil V. Sapra, Alexander Y. Piggott, Dries Vercruysse, Jelena Vučković

Language: English

Topic: Photonic and Optical Devices

Subfield: Electrical and Electronic Engineering

Field: Engineering

Domain: Physical Sciences

Open Access status: gold

Estimated APC paid: $2,270

Funders: Gordon and Betty Moore Foundation, Huawei Technologies, Air Force Office of Scientific Research, H2020 Marie Skłodowska-Curie Actions

Awards: G2791004250, [PEGASUS]², giving wings to your career.