Bandwidth adjustable optical module and system
First Claim
1. An optical module for facilitating communication in a passive optical network, wherein the optical module comprises:
- a first electrical interface and a second electrical interface;
a first optical port and a second optical port; and
an optical transceiver assembly;
wherein the first electrical interface is configured to be connected to an electrical interface of a first board or an electrical interface of another optical module, and the second electrical interface is configured to be connected to an electrical interface of a second board or an electrical interface of another optical module;
wherein the first optical port is configured to be connected to an optical transmission device or an optical port of another optical module, and the second optical port is configured to be connected to an optical receiving device or an optical port of another optical module;
wherein the optical module is connected, via the first electrical interface and the first optical port and/or via the second electrical interface and the second optical port to at least one other optical module, so as to form an arrangement of multiple cascaded optical modules;
wherein the optical transceiver assembly is configured to generate light and to multiplex the generated light with light input via the first optical port;
wherein the second optical port is configured to output the multiplexed light;
wherein the optical transceiver assembly is configured to filter light corresponding to a wavelength of the optical module out from light input through the second optical port;
wherein the first optical port is configured to output the filtered light;
wherein the first optical port comprises a first upstream optical port and a first downstream optical port, and the second optical port comprises a second upstream optical port and a second downstream optical port;
wherein the second downstream optical port of the second optical interface is configured to output the multiplexed light; and
wherein the first upstream optical port of the second optical interface is configured to output the filtered light.
1 Assignment
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Accused Products
Abstract
A circuit board of the optical module comprises: a first electrical interface is configured to connect an electrical interface of a board or a second electrical interface of another optical module, and a second electrical interface is configured to connect a first electrical interface of another optical module; a first optical port is configured to connect an optical transmission device or a second optical port of another optical module, and a second optical port is configured to connect an optical receiving device or a first optical port of another optical module; and a optical transceiver assembly multiplexes downstream light and demultiplexes upstream light. The optical module provided in solutions of the present invention can be flexibly combined with another optical module, enabling flexible and gradual upgrade of an optical module bandwidth according to a user requirement by using various combination manners.
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Citations
6 Claims
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1. An optical module for facilitating communication in a passive optical network, wherein the optical module comprises:
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a first electrical interface and a second electrical interface; a first optical port and a second optical port; and an optical transceiver assembly; wherein the first electrical interface is configured to be connected to an electrical interface of a first board or an electrical interface of another optical module, and the second electrical interface is configured to be connected to an electrical interface of a second board or an electrical interface of another optical module; wherein the first optical port is configured to be connected to an optical transmission device or an optical port of another optical module, and the second optical port is configured to be connected to an optical receiving device or an optical port of another optical module; wherein the optical module is connected, via the first electrical interface and the first optical port and/or via the second electrical interface and the second optical port to at least one other optical module, so as to form an arrangement of multiple cascaded optical modules; wherein the optical transceiver assembly is configured to generate light and to multiplex the generated light with light input via the first optical port; wherein the second optical port is configured to output the multiplexed light; wherein the optical transceiver assembly is configured to filter light corresponding to a wavelength of the optical module out from light input through the second optical port; wherein the first optical port is configured to output the filtered light; wherein the first optical port comprises a first upstream optical port and a first downstream optical port, and the second optical port comprises a second upstream optical port and a second downstream optical port; wherein the second downstream optical port of the second optical interface is configured to output the multiplexed light; and wherein the first upstream optical port of the second optical interface is configured to output the filtered light. - View Dependent Claims (2, 3, 4, 5)
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6. A bandwidth adjustable optical module, wherein the bandwidth adjustable optical module comprises at least two optical modules, each of the at least two optical modules comprising:
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a first electrical interface and a second electrical interface; a first optical port and a second optical port; and an optical transceiver assembly; wherein the first electrical interface is configured to be connected to an electrical interface of a first board or an electrical interface of another optical module, and the second electrical interface is configured to be connected to an electrical interface of a second board or an electrical interface of another optical module; wherein the first optical port is configured to be connected to an optical transmission device or an optical port of another optical module, and the second optical port is configured to be connected to an optical receiving device or an optical port of another optical module; wherein the optical module is connected, via the first electrical interface and the first optical port and/or via the second electrical interface and the second optical port to at least one other optical module, so as to form an arrangement of multiple cascaded optical modules; wherein the optical transceiver assembly is configured to generate light and to multiplex the generated light with light input via the first optical port; wherein the second optical port is configured to output the multiplexed light; wherein the optical transceiver assembly is configured to filter light corresponding to a wavelength of the optical module out from light input through the second optical port; wherein the first optical port is configured to output the filtered light; wherein the first optical port comprises a first upstream optical port and a first downstream optical port, and the second optical port comprises a second upstream optical port and a second downstream optical port; wherein the second downstream optical port of the second optical interface is configured to output the multiplexed light; and wherein the first upstream optical port of the second optical interface is configured to output the filtered light; wherein the at least two optical modules are cascaded by using the one or more respective first electrical interfaces, one or more respective second electrical interfaces, one or more respective first optical ports, and one or more respective second optical ports and wherein an adjustable bandwidth of the bandwidth adjustable optical module formed by cascading is a sum of bandwidths of the at least two cascaded optical modules, wherein a respective first electrical interface of a first optical module of the at least two cascaded optical modules is connected to a respective second electrical interface of a second optical module of the at least two cascaded optical modules, and a respective first optical port of the first optical module is connected to a respective second optical port of the second optical module; and wherein an optical port of the at least two cascaded optical modules that is not connected to another optical module of the at least two cascaded optical modules is connected to an optical transceiver device, and an electrical interface of the at least two cascaded optical modules that is not connected to another optical module of the at least two cascaded optical modules is connected to a board.
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Specification