Optical: systems and elements – Optical amplifier – Correction of deleterious effects
Reexamination Certificate
2005-03-08
2005-03-08
Hellner, Mark (Department: 3663)
Optical: systems and elements
Optical amplifier
Correction of deleterious effects
C359S341100, C359S342000
Reexamination Certificate
active
06865018
ABSTRACT:
A multistage optical amplifier includes a fiber amplifier stage having an active optical fiber for imparting gain to an optical signal propagating therethrough and a coupler supplying pump energy to the optical fiber. A planar waveguide amplifier stage is optically coupled to the fiber amplifier stage. The waveguide amplifier including a substrate, an active planar waveguide formed on the substrate for imparting gain to an optical signal propagating therethrough, and at least one waveguide coupler formed on the substrate for coupling pump power to the active planar waveguide.
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Bruce Allan James
Frolov Sergey
Shen Tek-Ming
Shmulovich Joseph
Hellner Mark
Inplane Photonics, Inc.
Mayer Fortkort & Williams PC
Mayer, Esq. Stuart H.
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