Integrated interferometer structure

Optical waveguides – Integrated optical circuit

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385 39, 385 40, 385130, 385140, 359115, 359124, 356345, G02B 612, H04J 1400, G01B 902

Patent

active

060350784

ABSTRACT:
An integrated interferometer structure, in particular for optical signal wavelength converters, includes a first branch and a second branch including at least a first semiconductor optical amplifier coupled to input and/or output peripheral semiconductor optical amplifiers. The structure includes an attenuation section between the output of at least one amplifier of one branch and the input of the output peripheral amplifier and/or the length of the waveguide of at least one peripheral amplifier is less than 300 .mu.m. Applications in telecommunications, in particular for routing signals.

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S. L. Danielsen et al, Compensation of gain saturation in SOA gates by interferometric mach Zehnder wavelength converters, Proceedings of the ECOC 1996, 22.sup.nd Conference on Optical Communication, vol. 4, Sep. 15, 1996, Oslo, pp. 45-48.
Patent Abstracts of Japan, vol. 017, No. 290 (P-1549) Jun. 3, 1993 corresponding to JP 05 019311A (Fujitsu Ltd) Jan. 29, 1993.
Patent Abstracts of Japan, vol. 018, No. 022 9E-1490) Jan. 13, 1994 corresponding to JP 05 259581 A (Nippon Telegraph & Telephone Corp) Oct. 8, 1993.

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