Title :
MMI-coupled ring resonators in GaInAsP-InP
Author :
Rabus, D.G. ; Hamacher, M.
Author_Institution :
Heinrich-Hertz-Inst. fur Nachrichtentech. Berlin GmbH, Germany
Abstract :
The characteristic response of single and double GaInAsP-InP ring resonators in the form of race tracks with a radius of 100 and 200 μm are presented. The used multimode interference (MMI) coupler is as short as 150 μm. A contrast of 13 dB, a finesse of six, and free spectral ranges of 50 and 100 GHz have been achieved for the single ring resonator. The double ring resonator has a full-width at half-maximum (FWHM) of 0.25 nm for the throughput port and 0.4 nm for the drop port.
Keywords :
III-V semiconductors; gallium arsenide; gallium compounds; indium compounds; integrated optics; light interference; optical communication equipment; optical resonators; optical waveguide filters; optical waveguides; 200 mum; 400 mum; GaInAsP-InP; MMI-coupled ring resonators; characteristic response; contrast; double ring resonator; drop port; finesse; free spectral ranges; full-width at half-maximum; multimode interference coupler; multiplexing; optical communications equipment; optical switching; race tracks; single ring resonator; throughput port; Etching; Fabrication; Indium phosphide; Interference; Optical coupling; Optical resonators; Optical ring resonators; Optical waveguides; Propagation losses; Resonance;
Journal_Title :
Photonics Technology Letters, IEEE
