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- Title
Rib waveguide-based athermal micro-ring resonator.
- Authors
Rakib-Uddin, Mohammad; Won, Yong
- Abstract
In this paper, we demonstrated athermal micro-ring resonator. We numerically analyzed the temperature sensitivity of SOI rib waveguide micro-ring resonators for different waveguide dimensions with over laying of negative thermooptic coefficient (TOC) polymer materials. The simulation results show that an athermal ring resonator can be achieved by a narrow width waveguide structure of a certain dimension with a certain polymer over layer for the input light of transverse magnetic field orientation. We fabricated a 30 μm radius ring resonator with a SOI rib waveguide structure of 200 nm width, over laying a polymer material of refractive index 1.45 and a TOC value of −1.8 × 10. We measured the temperature sensitivity of the polymer covered fabricated ring resonator, and achieved a temperature dependant resonant wavelength shift of about 0.5 pm/°C.
- Subjects
RIB waveguides; ATHERMALIZATION; RESONATORS; THERMO-optical devices; POLYMERS; MAGNETIC fields
- Publication
Optical & Quantum Electronics, 2015, Vol 47, Issue 8, p2667
- ISSN
0306-8919
- Publication type
Article
- DOI
10.1007/s11082-015-0150-1