Method and system using holographic methodologies for all-optical transmission and reception of high bandwidth signals to and from end-users to serve video, telephony and internet applications
First Claim
1. A method for delivering optical channels of bandwidths in the general range of from 2 to 5 GHz, with channel spacing of from 0.01 to 0.03 nm, to and from a central hub and multiple end-user locations at a distance of typically up to 25 miles, utilizing a system consisting of a holographic-based dense wave division multiplexer/demultiplexer module that is configured in a distributed, cascaded arrangement of two or more stages, the cascaded modules deployed between the central hub location and the end-user location, that utilizes a an optical tree fiber network configured as a logical star network permanently connecting one or more dedicated unique wavelength for each end-user at the points of the star.
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Abstract
An optical transmission system includes a plurality of service provider systems providing transmission-based services; a plurality of end-user devices receiving transmission-based services and a central hub node including a first plurality of terminals for supporting bi-directional transmission of optical signals between the plurality of service provider systems and the central hub node and a second plurality of terminals for supporting bi-directional transmission of optical signals between the end-user devices and the central hub node. The system further includes a first transmission network coupled between the plurality of service provider systems and the plurality of first terminals of the central hub node for enabling the bi-directional transmission of optical signals between the plurality of service provider systems and the plurality of first terminals of the central hub node and a second transmission network coupled between the plurality of end-user devices and the plurality of second terminals of the central hub node for enabling the bi-directional transmission of optical signals between the plurality of end-user devices and the plurality of first terminals of the central hub node. The bidirectional optical transmission between each of the plurality of end-user devices and the central hub node occurs at a dedicated wavelength that is unique to each end-user device.
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Citations
22 Claims
- 1. A method for delivering optical channels of bandwidths in the general range of from 2 to 5 GHz, with channel spacing of from 0.01 to 0.03 nm, to and from a central hub and multiple end-user locations at a distance of typically up to 25 miles, utilizing a system consisting of a holographic-based dense wave division multiplexer/demultiplexer module that is configured in a distributed, cascaded arrangement of two or more stages, the cascaded modules deployed between the central hub location and the end-user location, that utilizes a an optical tree fiber network configured as a logical star network permanently connecting one or more dedicated unique wavelength for each end-user at the points of the star.
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5. A method for configuring an access network consisting of a high channel capacity star network with a dedicated wavelength delivered to each of a plurality of end-users at points of the star, implemented over an all-optical fiber tree configuration with distributed dense wave division multiplexer modules located at each branch of the tree, the network serving as an optical local loop distribution network, to accommodate delivery of all telecommunications services between a central hub location and end-users within a radius of typically 25 miles.
- 6. An improved optical local network comprising strategically located endpoints to form virtual optical networks for purposes of serving multi-gigabit data rate channels for carrying IP or other transport protocol-based mobile base station traffic, dropping and inserting mobile traffic bandwidth to serve wireless base transmit sites that are dispersed throughout the end-user serving area, utilizing similar systems as are residential end-users or business end-users, and appear as virtual private networks.
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8. An improved method for generating and delivering pump power for Raman and Erbium Doped Fiber amplifiers, through combining laser power sources through a holographic beam combiner, combining power on the same wavelengths or on a family of dissimilar wavelengths to achieve “
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power profiles of desired output levels, and delivering the power to a fiber transmission facility through ports on the same DWDM systems that carry information channels.
- flat”
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9. An improved method for generating and delivering channel carrier laser power to a fiber transmission facility, through holographic power combining techniques.
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10. An improved method for creating large laser power combining facilities, to be used on multiple fibers for multiple star network configurations, both as pump power sources and as shared per channel power sources.
- 11. An improved method for providing carrier laser power to an end-user location, from a central hub location.
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12. An improved method for providing first and second order power to a Raman amplifier located in the return path of a fiber transmission facility, serving multiple end-users through a shared Raman amplifier facility.
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13. An optical transmission system comprising:
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a plurality of service provider systems providing transmission-based services;
a plurality of end-user devices receiving transmission-based services;
a central hub node including a first plurality of terminals for supporting bidirectional transmission of optical signals between said plurality of service provider systems and said central hub node and a second plurality of terminals for supporting bidirectional transmission of optical signals between said end-user devices and said central hub node;
a first transmission network coupled between said plurality of service provider systems and said plurality of first terminals of said central hub node for enabling said bidirectional transmission of optical signals between said plurality of service provider systems and said plurality of first terminals of said central hub node; and
a second transmission network coupled between said plurality of end-user devices and said plurality of second terminals of said central hub node for enabling said bidirectional transmission of optical signals between said plurality of end-user devices and said plurality of first terminals of said central hub node;
wherein said bi-directional optical transmission between each of said plurality of end-user devices and said central hub node occurs at a dedicated wavelength that is unique to each end-user device.
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Specification