A wide-FSR waveguide double-ring resonator for optical FDM transmission systems

Author

Oda, Kazuhiro ; Takato, Norio ; Toba, Hiromu

Author_Institution

NTT Transmission Syst. Lab., Kanagawa, Japan

Volume

9

Issue

6

fYear

1991

fDate

6/1/1991 12:00:00 AM

Firstpage

728

Lastpage

736

Abstract

A wide free-spectral-range (FSR) waveguide double-ring resonator (DRR) is investigated for use in optical frequency-division multiplexing (OFDM) transmission systems. It consists of two ring resonators with different radii and three directional couplers. The FSR is determined by the least common multiple of the FSRs of the two ring resonators. In order to determine the parameters of the DRR, transmission equations of the DRR, which have different radii, are derived by using the scattering matrix. The dependence of the transmittance characteristics of the DRR on the amplitude coupling coefficients of directional couplers and on the propagation loss of the ring waveguides is studied. The design guidelines for OFDM transmission systems are described

Keywords

directional couplers; frequency division multiplexing; integrated optics; optical communication equipment; optical couplers; optical resonators; amplitude coupling coefficients; design guidelines; directional couplers; equations; optical frequency division multiplexing transmission systems; propagation loss; radii; scattering matrix; transmittance characteristics; wide free spectral range waveguide double ring resonator; Differential equations; Directional couplers; Frequency division multiplexing; OFDM; Optical resonators; Optical ring resonators; Optical scattering; Optical waveguides; Scattering parameters; Transmission line matrix methods;

fLanguage

English

Journal_Title

Lightwave Technology, Journal of

Publisher

ieee

ISSN

0733-8724

Type

jour

DOI

10.1109/50.81975

Filename

81975