Radio-Frequency Self-Referencing Technique With Enhanced Sensitivity for Coarse WDM Fiber Optic Intensity Sensors

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dc.contributor.author Montalvo García, Julio
dc.contributor.author Frazão, Orlando
dc.contributor.author Santos, José Luis
dc.contributor.author Vázquez García, María Carmen
dc.contributor.author Baptista, José Manuel
dc.date.accessioned 2009-11-24T12:23:31Z
dc.date.available 2009-11-24T12:23:31Z
dc.date.issued 2009-03-01
dc.identifier.bibliographicCitation Journal of lightwave technology, 2009, vol. 27, n. 1, p. 475-482
dc.identifier.issn 0733-8724
dc.identifier.uri http://hdl.handle.net/10016/5784
dc.description.abstract A self-referenced passive optical network (PON) with coarse wavelength division multiplexing (CWDM) is reported for remotely addressing optical intensity sensors with enhanced sensitivity. The self-referencing remote configuration is described as a finite-impulse-response (FIR) filter in reflective operation using two fiber Bragg gratings (FBG) and a fiber delay line. The antisymmetrical phase response of the configuration permits to achieve a self-referencing measurement parameter two times more sensitive than reported previously. To enhance the power budget of the network, CWDM devices with low insertion losses are used for spectral splitting of a radio-frequency (RF) modulated broadband light source (BLS). The network topology and the sensor's interrogation technique are theoretically analyzed and experimental results validating the models are reported.
dc.format.mimetype application/pdf
dc.language.iso eng
dc.publisher IEEE
dc.rights © IEEE
dc.subject.other Coarse wavelenght-division multiplexing
dc.subject.other Digital filters
dc.subject.other Fiber Bragg gratings (FBG)
dc.subject.other Fiber delay lines
dc.subject.other Optical intensity sensors
dc.subject.other Passive optical networks (PON)
dc.subject.other Self-reference
dc.title Radio-Frequency Self-Referencing Technique With Enhanced Sensitivity for Coarse WDM Fiber Optic Intensity Sensors
dc.type article
dc.type.review PeerReviewed
dc.description.status Publicado
dc.relation.publisherversion http://dx.doi.org/10.1109/JLT.2008.2004949
dc.subject.eciencia Electrónica
dc.identifier.doi 10.1109/JLT.2008.2004949
dc.rights.accessRights openAccess
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