Title :
Microdisk tunable resonant filters and switches
Author :
Djordjev, Kostadin ; Choi, Seung-June ; Choi, Sang-Jun ; Dapkus, P.D.
Author_Institution :
Dept. of Electr. Eng. & Electrophys., Univ. of Southern California, Los Angeles, CA, USA
fDate :
6/1/2002 12:00:00 AM
Abstract :
Tunable, vertically coupled InP microdisk resonant filters having a p-i-n active region and utilizing free carrier injection (FCI) to alter the index of refraction are presented for the first time. The fabricated devices allow single-mode operation and exhibit a large free spectral range (FSR=10 nm) with high Q values of 7000. Tuning of the resonant characteristics by free carrier injection is demonstrated. The resonant wavelengths of the disk cavity blue-shifts at a rate of 1 nm/mA.
Keywords :
III-V semiconductors; cavity resonator filters; electro-optical filters; electro-optical switches; indium compounds; integrated optics; micro-optics; optical tuning; p-i-n diodes; refractive index; semiconductor switches; wavelength division multiplexing; InP; blue-shift; disk cavity; free carrier injection; high Q values; index of refraction; large free spectral range; microdisk tunable resonant filters; p-i-n active region; resonant characteristics tuning; resonant wavelengths; single-mode operation; switches; tunable vertically coupled InP microdisk resonant filters; Integrated optics; Microcavities; Optical filters; Optical refraction; Optical resonators; Optical sensors; Optical waveguides; Resonance; Tunable circuits and devices; Wafer bonding;
Journal_Title :
Photonics Technology Letters, IEEE
DOI :
10.1109/LPT.2002.1003107
