Share Email Print

Proceedings Paper

Intrinsic properties of the optical coupling phenomenon: an experimental investigation using single-mode device and fiber
Author(s): Yves St-Amant
Format Member Price Non-Member Price
PDF $17.00 $21.00

Paper Abstract

High-speed transmission optical devices often use a single-mode fiber as receiver. The fiber must be accurately aligned over five degrees of freedom with respect to an optical field. In previous works, it has been demonstrated that the optical coupling between axisymmetric Gaussian beams has distinctive parabolic, hyperbolic, and linear like characteristics that may be advantageously used to design automated alignment strategies. These properties were proven to exist experimentally when two single-mode fibers are used as receiver and emitter. This paper presents an experimental investigation of these properties for a practical optical coupling situation: the alignment of a receiving single-mode fiber with an optical device. For the purpose of this investigation, the optical device is comprised of an emitting fiber and two lenses mounted in series in order to form a converging optical field at the output of the second lense. A five axis nanopositionning system is used to move the receiving fiber relatively to the device. Even though optical fields are not exactly Gaussian, experiments demonstrate the existence of the properties within a practical range of interest for single-mode device-to-fiber alignment automation. These properties of the coupled optical power provide a strong basis to develop model-based algorithms for axisymmetric single-mode device-to-fiber alignment automation.

Paper Details

Date Published: 4 October 2005
PDF: 12 pages
Proc. SPIE 5970, Photonic Applications in Devices and Communication Systems, 597003 (4 October 2005); doi: 10.1117/12.628714
Show Author Affiliations
Yves St-Amant, Univ. Laval (Canada)

Published in SPIE Proceedings Vol. 5970:
Photonic Applications in Devices and Communication Systems
Peter Mascher; John C. Cartledge; Andrew Peter Knights; David V. Plant, Editor(s)

© SPIE. Terms of Use
Back to Top
Sign in to read the full article
Create a free SPIE account to get access to
premium articles and original research
Forgot your username?