In-line optical modulator and switch using elliptical-core two-mode optical fiber

Sridhar Gollapudi; Kent A. Murphy; Anbo Wang; Richard O. Claus

doi:10.1117/12.141910

6 April 1993 In-line optical modulator and switch using elliptical-core two-mode optical fiber

Sridhar Gollapudi, Kent A. Murphy, Anbo Wang, Richard O. Claus

Author Affiliations +

Proceedings Volume 1794, Integrated Optical Circuits II; (1993) https://doi.org/10.1117/12.141910
Event: Fibers '92, 1992, Boston, MA, United States

Abstract

An elliptical-core (e-core), two-mode fiber optic micro-device for in-line modulating and switching has been studied. The polished surface is so close to the core of the fiber that the differential propagation constant between the LP₀₁ and LP₁₁ even modes is strongly dependent on the refractive index of the deposited oil. The power from a single lobe and the total power are separately received by two detectors. In experiments, the dependence of the differential phase shift between the two modes on the refractive index of the deposited material was observed. The switching characteristics of the structure so fabricated, switching between the two lobes were also demonstrated. Further, different coupling characteristics of the two modes propagating the fiber into the deposited layer, which functions as a planar waveguide, have been observed.

Citation Download Citation

Sridhar Gollapudi, Kent A. Murphy, Anbo Wang, and Richard O. Claus "In-line optical modulator and switch using elliptical-core two-mode optical fiber", Proc. SPIE 1794, Integrated Optical Circuits II, (6 April 1993); https://doi.org/10.1117/12.141910

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