Restrictions on the geometry of the reference wave in holocoupler devices

Maria L. Calvo; Maria Lourdes de Pedraza Velasco

doi:10.1117/12.47051

1 September 1991 Restrictions on the geometry of the reference wave in holocoupler devices

Maria L. Calvo, Maria Lourdes de Pedraza Velasco

Proceedings Volume 1507, Holographic Optics III: Principles and Applications; (1991) https://doi.org/10.1117/12.47051
Event: ECO4 (The Hague '91), 1991, The Hague, Netherlands

Abstract

One of the techniques for fiber-to-fiber connection is based on a basic interferometric method to obtain a holographic grating acting as a holocoupler. Holographic couplers can be used as memory systems storing information to achieve single or multiple fiber connections using a multiplexed hologram. This device works with high efficiency in short intervals of space and time. Applications can be extended, as well, to codify the stored information in a reflection configuration as a switcher system with a laser diode. The flexibility of this technique allows coupling of alternative focusing elements such as two GRIN lenses and other configurations. In order to develop this application in optoelectronic devices, the recording process must by carefully analyzed. The recording of the holograms has been already resolved for planar and spherical waves. Nevertheless, recordings with Gaussian waves require some conditions to be accounted for due to the width waist and divergence of the output beam of the laser source.

Citation Download Citation

Maria L. Calvo and Maria Lourdes de Pedraza Velasco "Restrictions on the geometry of the reference wave in holocoupler devices", Proc. SPIE 1507, Holographic Optics III: Principles and Applications, (1 September 1991); https://doi.org/10.1117/12.47051

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