Optical waveguides – With optical coupler – Input/output coupler
Patent
1997-07-17
1999-04-06
Ngo, Hung N.
Optical waveguides
With optical coupler
Input/output coupler
385 32, G02B 626
Patent
active
058928693
ABSTRACT:
Both recursive and non-recursive fiber-optic loop elements are cascaded to form various fiber-optic lattice configurations to form a fiber-optic signal processor for use in wideband applications capable of processing radio frequency (RF) signals. Each fiber-optic loop element includes a fiber-optic element, such as a monomode optical fiber or a monomode optical waveguide formed in a loop by way of a fiber-optic coupling device and one or more reflection mechanisms, such as a Bragg grating. In order to provide increased flexibility, the present invention allows the reflectivities of the reflection elements to be selected to provide additional flexibility in creating the frequency response characteristics of an optical signal processor.
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Shih Chung-Ching
Wisseman Philip Henry
Ngo Hung N.
TRW Inc.
Yatsko Michael S.
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