4. Optical waveguides
  5. With optical coupler
  6. Particular coupling function

Wei Zhong Li

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Method and system for providing a multi-channel optical filter

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

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Method and system for providing an optical circulator

Optical: systems and elements – Polarization without modulation – Polarization using a time invariant electric – magnetic – or...
Reexamination Certificate

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Method and system for splitting or combining optical signal

Optical waveguides – Polarization without modulation
Reexamination Certificate

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Multiple-channel optical filter

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

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Profile ID: LFUS-PAI-P-2021372

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