Verified equivalent-circuit model for slot-waveguide modulators
Abstract
We formulate and experimentally validate an equivalent-circuit model based on distributed elements to describe the electric and electro-optic (EO) properties of travelling-wave silicon-organic hybrid (SOH) slot-waveguide modulators. The model allows to reliably predict the small-signal EO frequency response of the modulators exploiting purely electrical measurements of the frequency-dependent RF transmission characteristics. We experimentally verify the validity of our model, and we formulate design guidelines for an optimum trade-off between optical loss due to free-carrier absorption (FCA), electro-optic bandwidth, and π-voltage of SOH slot-waveguide modulators.
Document Details
- Document Type
- Pub Defense Publication
- Publication Date
- Apr 16, 2020
- Source ID
- 10.1364/oe.383120
Entities
People
- Christian Koos
- Clemens Kieninger
- Heiner Zwickel
- Narek Muradyan
- Sebastian Randel
- Shiyoshi Yokoyama
- Stefan Singer
- Thorsten Wahlbrink
- Wolfgang Freude
- Yasar Kutuvantavida
Organizations
- Alfried Krupp von Bohlen und Halbach Foundation
- European Research Council
- Federal Ministry of Research, Technology and Space
- German Research Foundation
- Intelligence Advanced Research Projects Activity