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Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping

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Mode transition in complex refractive index coated single-mode-multimode-single-mode structure.

Abian B Socorro¹, Ignacio Del Villar, Jesus M Corres

¹Electrical and Electronic Engineering Department, Public University of Navarre, Campus Arrosadia, 31006 Pamplona, NA, Spain. ab.socorro@unavarra.es

|June 6, 2013

Summary

This summary is machine-generated.

Coating a single-mode-multimode-single-mode (SMS) structure with thin-film enables mode transitions for sensitive sensors. This cost-effective platform offers potential for optical filters and sensing devices.

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Area of Science:

Photonics and Optical Engineering
Materials Science

Background:

Single-mode-multimode-single-mode (SMS) structures are sensitive to external parameters.
High refractive index thin-film coatings can modify the optical properties of SMS structures.

Purpose of the Study:

To investigate mode transitions in thin-film coated SMS structures.
To explore the potential of these structures for sensor and optical filter applications.

Main Methods:

Experimental characterization of thin-film coated SMS structures.
Numerical simulations using the Transfer-Matrix-Method.
Analysis of the influence of thin-film losses.

Main Results:

Specific combinations of thin-film thickness, refractive index, and surrounding medium refractive index induce mode transitions.
The SMS structure exhibits high sensitivity to these parameters.
The study analyzed the impact of thin-film optical losses.

Conclusions:

Thin-film coated SMS structures provide a simple and cost-effective platform for developing highly sensitive sensors.
These structures are suitable for creating advanced optical filters.