Design and simulation of invented photonic component: multibeam frequency shifter - link to the paper
A shematic of the multibeam frequency shifter:
This directory shows how one can create and simulate a multibeam frequency shifter using gdsfactory. The notebook creates a 16-by-5 star coupler using gdsfactory and sets up 2d fdtd simulations using tidy3d. By changing the source port, multiple simulations can be combined to create the s matrix of the star coupler. The resulting simulation output is stored in the data folder. With these s parameters, the performance of the star coupler can be estimated. Now assuming an array of modulators attached to the star coupler, that is driven in 'wavelike -fashion' (more details in the paper), we can estimate the performance of the multibeam frequency shifter. View My Notebook output
(Below,a cool image of the simulation of the star coupler with the source)
One application of this component is to create a scalable architecture for some photonic integrated circuit-based sensing applications. An example can be found in the following notebook: Scalable architecture for LDV