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US 11,310,570 B2Granted
Multi-layer wavelength-division multiplexing devices
AssigneeAlliance Fiber Optic Products, Inc.
InventorsDong Gui, Yao Li, Shudong Xiao, Andy Fenglei Zhou
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Abstract
Disclosed herein are multi-layer wavelength-division multiplexing (WDM) devices that include a first optical signal router to route first demultiplexed signals from a common layer to a first channel layer and a second optical signal router to route second demultiplexed signals from the common layer to a second channel layer.
Claims20
A wavelength-division multiplexing (WDM) device, comprising:
- a common layer comprising:
- a first common port configured for optical communication of a multiplexed signal comprising a plurality of signals;
- and
- a plurality of WDM filters each having different passband so as to be configured to pass a different signal of the plurality of signals and reflect other signals of the plurality of signals, wherein the plurality of WDM filters includes a first WDM filter array and a second WDM filter array that is spaced from the first WDM filter array;
- a first channel layer comprising a first channel array of channel ports, wherein each channel port in the first channel array is configured for optical communication of one of the different signals passed by the WDM filters in the first WDM filter array;
- a second channel layer comprising a second channel array of channel ports, wherein each channel port in the second channel array is configured for optical communication of one of the different signals passed by the WDM filters in the second WDM filter array;
- a first optical signal router configured to route the different signals passed by the WDM filters in the first WDM filter array from the common layer to the first channel layer;
- and
- a second optical signal router configured to route the different signals passed by the WDM filters in the second WDM filter array from the common layer to the second channel layer.
6 more elements
A wavelength-division multiplexing (WDM) device, comprising:
- a common layer comprising:
- a first common port configured for optical communication of a multiplexed signal comprising a plurality of signals;
- and
- a plurality of WDM filters each having different passband so as to be configured to pass a different signal of the plurality of signals and reflect other signals of the plurality of signals, wherein the plurality of WDM filters includes a first WDM filter array and a second WDM filter array that is spaced from the first WDM filter array;
- a first channel layer comprising a first channel array of channel ports, wherein each channel port in the first channel array is configured for optical communication of one of the different signals passed by the WDM filters in the first WDM filter array;
- a second channel layer comprising a second channel array of channel ports, wherein each channel port in the second channel array is configured for optical communication of one of the different signals passed by the WDM filters in the second WDM filter array, wherein the common layer is located between the first channel layer and the second channel layer;
- a first optical signal router positioned to overlap the common layer and the first channel layer, the first optical signal router configured to route the different signals passed by the WDM filters in the first WDM filter array from the common layer to the first channel layer;
- and
- a second optical signal router positioned to overlap the common layer and the second channel layer, the second optical signal router configured to route the different signals passed by the WDM filters in the second WDM filter array from the common layer to the second channel layer.
6 more elements
A method of using a wavelength-division multiplexing (WDM) device, comprising:
- transmitting from a first common port of a common layer a multiplexed signal comprising a plurality of signals, wherein the common layer includes a plurality of WDM filters each having different passband so as to be configured to pass a different signal of the plurality of signals and reflect other signals of the plurality of signals, and wherein the plurality of WDM filters are arranged in a first WDM filter array and a second WDM filter array that is spaced from the first WDM filter array;
- routing the different signals passed by the WDM filters in the first WDM filter array to a first channel array of channel ports of a first channel layer via a first optical signal router, the first channel layer offset from the common layer;
- and
- routing the different signals passed by the WDM filters in the second WDM filter array to a second channel array of channel ports of a second channel layer via a second optical signal router, the second channel layer offset from the common layer.
1 more element
Dependencies are inferred from the claim text.