Photonic Packaging Sourcebook by Ulrich H. P. Fischer-Hirchert

Author:Ulrich H. P. Fischer-Hirchert
Language: eng
Format: epub
Publisher: Springer Berlin Heidelberg, Berlin, Heidelberg

This workstation (Honecker 2000) allows the measurement of the coupling losses, which occur at a coupling between the reference light source and the taper, which should be examined. As the reference light source may also be used as an experimental semiconductor structure, specifically adapted tapers can be examined to this structure. The measurement principle of the construction is described relatively easy and with a few words: the optical power of a reference light source is absorbed by the measurement setup and compared with the maximum optical power, which can be coupled from the reference light source using a tapered fiber .

The actual measurement therefore consists of two measuring steps, whereby the individual results of the calculation of the coupling loss are necessary for the complete result. At first, the construction of the measurement setup is described and afterward the specific procedure. Figures 7.22 and 7.23 represent the measurement setup as well as the procedure.

Fig. 7.22Taper measuring setup overview

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