G - Physics – 02 – B
Patent
G - Physics
02
B
G02B 27/10 (2006.01) G01B 9/02 (2006.01) G02B 6/126 (2006.01) G02B 6/34 (2006.01) G02B 27/28 (2006.01) G02B 27/62 (2006.01) G02F 1/21 (2006.01)
Patent
CA 2081149
The invention relates to an integrated optical component which comprises an adjustable Mach-Zehnder interferometer. The waveguide structure of the component is fabricated on the basis of potable unpoled material, the material in one (2) of the branches (2, 3) of the MZ interferometer being poled in a certain area (7). In the case of maximum poling in advance, the degree of poling of the poled material can subsequently be adjusted under conditions of accelerated thermal relaxation. Advantage: the component can first be fabricated, as far as its structure is concerned, using fabrication techniques which are standard far the selected material without additional attention to correct sizing, after which the interferometer section can then be adjusted in a simple manner to the optical pathlength differences required for the specific function of the component. As an example, a passive polarisation splitter is described.
Fetherstonhaugh & Co.
Koninklijke Kpn N.v.
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