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Dispersion-free optical filters

Optical waveguides – With optical coupler – Particular coupling function
Reexamination Certificate

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Distributed amplification for lightwave transmission system

Optical waveguides – With optical coupler – Particular coupling function
Patent

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Double-core active fiber optical amplifier having a...

Optical waveguides – With optical coupler – Particular coupling function
Reissue Patent

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Double-core active-fiber optical amplifier having a wide-band si

Optical waveguides – With optical coupler – Particular coupling function
Patent

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Double-pass optical amplifiers and optical network equipment

Optical waveguides – With optical coupler – Particular coupling function
Reexamination Certificate

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Dual-port broadband light source with independently...

Optical waveguides – With optical coupler – Particular coupling function
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Dual-wavelength hybrid waveguide coupler

Optical waveguides – With optical coupler – Particular coupling function
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Dynamic fiber loop-mirror filter based on pump-induced...

Optical waveguides – With optical coupler – Particular coupling function
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Dynamic optical data buffer

Optical waveguides – With optical coupler – Particular coupling function
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