Per O. Granestrand

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Four section optical coupler

Optical waveguides – With optical coupler – Particular coupling structure
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Method of disposing a polarization directing optoelectronic coup

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Near Z digital switch

Optical waveguides – With optical coupler – Switch
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Optical repeater for fault tracing in an optical transmission sy

Telecommunications – Receiver or analog modulated signal frequency converter – Signal selection based on frequency
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Polarization-independent optoelectronic directional coupler

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Profile ID: LFUS-PAI-P-882205

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