Optical Ring Filter (ORF) Modspec Compact Model 1.0.0

By Lily Weng1, Tianshi Wang2

1. Massachusetts Institute of Technology (MIT) 2. UC Berkeley

The MIT ORF Modspec Compact Model provides a compact model of an optical ring filter on Model and Algorithm Prototyping Platform. It describes transmission behavior of the filter when operating with several hundreds terahertz light signals.

Listed in Compact Models | publication by group NEEDS: New Era Electronic Devices and Systems

Additional materials available

Version 1.0.0 - published on 24 Sep 2015 doi:10.4231/D3125QB06 - cite this

Licensed under NEEDS Modified CMC License according to these terms


An optical ring filter is commonly used in opto-electronic circuits because of its compact size. It is mainly used to filter out unwanted optical signals or select certain frequency range signals in the wavelength division multiplexing system which transmits a wide range of optical signals at the same time. This model is intended for use in designing filter transmission curves with physical optical parameters on Model and Algorithm Prototyping Platform (MAPP).   



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Current version of the model releases the model of an optical filter with a single ring, but it is straightforward to simulate with multiple rings by slightly revising the circuit netlist since the basic modules of a single ring are given. 

Current version only supports the optical parameters as inputs.