Applied Physics B

, Volume 102, Issue 3, pp 595–599 | Cite as

A cascaded photonic crystal fiber Mach–Zehnder interferometer formed by extra electric arc discharges



In this paper, a cascaded Mach–Zehnder interferometer based on a photonic crystal fiber is reported. It is demonstrated that by applying a small dose of extra arc discharge to the photonic crystal fiber sensing part which is spliced to lead-in and lead-out single-mode fibers with core offset, the in-line Mach–Zehnder interferometer could be simply cascaded. From the analysis of Fourier transformed spatial spectra and the response tests as a sensor, it is shown that such a cascaded interferometer could effectively broaden the utilizable spectral shift range for a measured value.


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Copyright information

© Springer-Verlag 2010

Authors and Affiliations

  1. 1.College of Physics Science and Technology, Shenzhen Key Laboratory of Sensor TechnologyShenzhen UniversityShenzhenP.R. China
  2. 2.College of ScienceNibo UniversityNingboP.R. China

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