Perturbative modeling of Bragg-grating-based biosensors in photonic-crystal fibers

Nicola Burani, Jesper Lægsgaard

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

We present a modeling study carried out to support the design of a novel, to our knowledge, kind of photonic-crystal fiber (PCF)-based sensor. This device, based on a PCF Bragg grating, detects the presence of selected single-stranded DNA molecules, hybridized to a biofilm in the air holes of the PCF, by measuring their interaction with the fiber modes. To model the system a method derived from the perturbation theory for Maxwell’s equations has been used. This method has been fully characterized, and some of its properties are here pointed out.
Original languageEnglish
JournalJOURNAL OF THE OPTICAL SOCIETY OF AMERICA B
Volume22
Issue number11
Pages (from-to)2487-2493
ISSN0740-3224
Publication statusPublished - 2005

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