Design of polarization-insensitive ring resonators in silicon-on-insulator using MMI couplers and cladding stress engineering
- 3 January 2006
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Photonics Technology Letters
- Vol. 18 (2) , 343-345
- https://doi.org/10.1109/lpt.2005.861973
Abstract
A novel silicon-on-insulator (SOI) ring resonator design is described that uses a 2 /spl times/ 2 multimode interference coupler to achieve polarization-independent coupling, and cladding stress induced birefringence control to eliminate the difference in round-trip phase accumulation between the transverse-electric and transverse-magnetic polarized modes. The design parameters are determined for polarization-independent SOI ring resonators with couplers having a 50 : 50 or 15 : 85 splitting ratio, and 1.5-/spl mu/m ridge height and width. As designed, the resonators offer a polarization-independent free-spectral range of 0.5 nm for a ring radius of 200 /spl mu/m, and a quality factor Q as high as 55 000.Keywords
This publication has 11 references indexed in Scilit:
- Birefringence control using stress engineering in silicon-on-insulator (SOI) waveguidesJournal of Lightwave Technology, 2005
- High-Q silicon-on-insulator optical rib waveguide racetrack resonatorsOptics Express, 2005
- Polarization-independent optical racetrack resonators using rib waveguides on silicon-on-insulatorApplied Physics Letters, 2004
- Eliminating the birefringence in silicon-on-insulator ridge waveguides by use of cladding stressOptics Letters, 2004
- Low-Loss SOI Photonic Wires and Ring Resonators Fabricated With Deep UV LithographyIEEE Photonics Technology Letters, 2004
- Theoretical approach to a polarization-insensitive single-mode microring resonatorOptics Express, 2004
- Polarization-independent single-mode rib waveguides on silicon-on-insulator for telecommunication wavelengthsOptics Communications, 2002
- Universal relations for coupling of optical powerbetweenmicroresonators and dielectric waveguidesElectronics Letters, 2000
- Optical multi-mode interference devices based on self-imaging: principles and applicationsJournal of Lightwave Technology, 1995
- General self-imaging properties in N × N multimode interference couplers including phase relationsApplied Optics, 1994