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Tunable optical filters using compound ring resonators for DWDM

AuthorsVázquez, C.; Vargas, S.; Pena, J. M. S.; Corredera, Pedro
KeywordsOptical filters
Tuning and optical couplers.
Optical transfer functions
Optical delay lines
Issue Date2003
PublisherInstitute of Electrical and Electronics Engineers
CitationIEEE Photonics Technology Letters 15: 1085-1087 (2003)
AbstractThe device is based on a loop mirror in a ring resonator. The loop mirror allows tuning by changing the coupling coefficient of a directional coupler. The loop mirror is implemented using a Sagnac configuration to have the same optical path between the signals to be interfered (copropagating and counterpropagating ones). The filter structure allows optical integration for having higher free-spectral ranges. Simple design equations for the filter parameters and the tuning are reported. Measurements on a passive optical fiber tunable filter are presented. There is a good agreement between measurements and theory. © 2003 IEEE
Identifiersdoi: 10.1109/LPT.2003.815328
issn: 1041-1135
Appears in Collections:(IFA) Artículos
(CFMAC-IO) Artículos
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