Multi-channel Mach-Zehnder interferometer type optical...

Details Multi-channel Mach-Zehnder interferometer type optical... Multi-channel Mach-Zehnder interferometer type optical...

2007-06-05

2007-06-05

Song, Sarah (Department: 2874)

Optical waveguides

Integrated optical circuit

C385S039000, C385S040000

Reexamination Certificate

active

10994705

ABSTRACT:
In the Mach-Zehnder interferometer type optical circuit in which a plurality of Mach-Zehnder interferometers have been provided, between the Mach-Zehnder interferometers a and b, there are provided a plurality of grooves27(a–b)1, 27(a–b)2and an endothermic wall28(a–b). Since heat generated from the temperature control device25amounted on the waveguide arm of the Mach-Zehnder interferometer a is absorbed by the endothermic wall28(a–b), an influence due to heat interference to be exerted on the Mach-Zehnder interferometer b is restrained.

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