Abstract
In this paper, we consider the effects of polarization nonreciprocity taking into account coherence or partial coherence of radiation at the output of a fiber ring interferometer (FRI) and discuss the possibility of occurrence of additional effects of polarization nonreciprocity at the output of an FRI with a broadband radiation source due to the coherent component of radiation resulting from the coupling of orthogonal modes at the output segments of the fiber. Allowing for the coherence, we estimate the temperature instability of the interferometer signal related to the polarization nonreciprocity.
The features of the polarization nonreciprocity effects for a fiber ring interferometer with polarizer or dichroism are considered. It is shown that if the conditions of conventional reciprocity theorem (no rotation) are satisfied for the interferometer, then the polarization nonreciprocity effects become hidden and cannot be detected in the interference signal without a priori information on the character of birefringence and on the orientation of anisotropic elements of the fiber loop of the interferometer and polarizer.
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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Radiofizika, Vol. 47, Nos. 10–11, pp. 982–990, October–November, 2004.
This work was partially supported by the Council on the Grants of the President of the Russian Federation for Support of Leading Scientific Schools (grant No. NSh-1622.2003.2)
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Andronova, I.A. Influence of radiation coherence on the effects of polarization nonreciprocity of fiber ring interferometers. Radiophys Quantum Electron 47, 882–889 (2004). https://doi.org/10.1007/s11141-005-0027-4
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DOI: https://doi.org/10.1007/s11141-005-0027-4