Compact Mach–Zehnder fiber interferometer incorporating photoinduced gratings in elliptical-core fibers

A new type of Mach-Zehnder interferometer has been fabricated in an elliptical-core high-birefringence fiber. The directional couplers of a conventional fiber interferometer are replaced by two photoinduced polarization rocking filters written on the same fiber. The resonant wavelength of the interf...

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Veröffentlicht in:	Optics letters 1993-06, Vol.18 (12), p.1013-1015, Article 1013
Hauptverfasser:	KANELLOPOULOS, S. E, HANDEREK, V. A, ROGERS, A. J
Format:	Artikel
Sprache:	eng
Schlagworte:	Exact sciences and technology Instruments, apparatus, components and techniques common to several branches of physics and astronomy Interferometers Optical instruments, equipment and techniques Physics
Online-Zugang:	Volltext
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Beschreibung
Zusammenfassung:	A new type of Mach-Zehnder interferometer has been fabricated in an elliptical-core high-birefringence fiber. The directional couplers of a conventional fiber interferometer are replaced by two photoinduced polarization rocking filters written on the same fiber. The resonant wavelength of the interferometer was 787 nm, with an operational bandwidth of 18 nm. The device can be used in two different modes for temperature sensing.
ISSN:	0146-9592 1539-4794
DOI:	10.1364/OL.18.001013