Title :
High-Q channel-dropping filters using ring resonators with integrated SOAs
Author :
Rabus, D.G. ; Hamacher, M. ; Troppenz, U. ; Heidrich, H.
Author_Institution :
Heinrich-Hertz-Inst. fur Nachrichtentech. Berlin GmbH, Germany
Abstract :
The filter response of single-ring resonators with integrated semiconductor optical amplifiers based on GaInAsP-InP is presented. The devices with free spectral ranges of 25 and 50 GHz have the form of a racetrack. An on-off ratio of 20 dB, a full-width at half-maximum of 12 and 24 pm, a finesse of 17, and a Q factor of 130,000 and 65,000, respectively, have been achieved. The tuning to a specific wavelength is performed by using integrated Pt-resistors.
Keywords :
III-V semiconductors; Q-factor; gallium arsenide; indium compounds; integrated optics; laser tuning; optical communication equipment; optical filters; optical tuning; quantum well lasers; ring lasers; semiconductor optical amplifiers; wavelength division multiplexing; DWDM; GaInAsP-InP; Pt; add/drop filter; filter response; finesse; free spectral ranges; full-width at half-maximum; high-Q channel-dropping filters; integrated Pt-resistors; integrated SOA; integrated semiconductor optical amplifiers; on-off ratio; racetrack; ring resonators; single-ring resonators; specific wavelength tuning; Couplers; Optical filters; Optical losses; Optical resonators; Optical ring resonators; Optical waveguides; Photonic band gap; Resonator filters; Semiconductor optical amplifiers; Wavelength division multiplexing;
Journal_Title :
Photonics Technology Letters, IEEE
DOI :
10.1109/LPT.2002.802375
