4. Optical waveguides
  5. With optical coupler
  6. Input/output coupler

B. Barry Zhang

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Adjustable optical circulator

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

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Fiber optic device operating at two or more wavelengths

Optical waveguides – With optical coupler – Plural
Reexamination Certificate

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Fiber optic isolator for use with multiple-wavelength...

Optical: systems and elements – Single channel simultaneously to or from plural channels – By partial reflection at beam splitting or combining surface
Reexamination Certificate

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Fiber optic isolator for use with multiple-wavelength...

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

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Multiple port, fiber optic circulator

Optical waveguides – Polarization without modulation
Patent

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Profile ID: LFUS-PAI-P-1166028

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