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Switching and routing protocol for a fiber optic transmission system

A technology of optical fiber and optical signal, which is applied in the direction of optical fiber transmission, transmission system, TV system adapted to optical transmission, etc., and can solve problems such as signal attenuation

Inactive Publication Date: 2014-04-16
TITAN PHOTONICS
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For these multi-octave bandwidth optical transmissions, complex second-order distortion caused by fiber dispersion can lead to significant signal attenuation at optical transmission distances of approximately 1 km or more

Method used

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  • Switching and routing protocol for a fiber optic transmission system
  • Switching and routing protocol for a fiber optic transmission system
  • Switching and routing protocol for a fiber optic transmission system

Examples

Experimental program
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Embodiment Construction

[0035] Initial reference figure 1 , Which shows the system for transmitting digital signals, usually designated as 10. As shown in the figure, the system 10 includes a data exchange and routing unit 12 that is operatively connected to receive multiple digital data streams (where the data streams 14a, 14b are identified) and based on the address information in the data streams 14a, b The received data streams 14a, b are routed to the appropriate modems 16a-c. For the system 10, the data streams 14a, b may include, for example, packets with headers with active and purpose information, audio and video signals or computer signals, such as computer files or instructions and / or from other nodes in the communication network Digital signal.

[0036] continue to use figure 1 As shown in the figure, each modem 16a-c receives and operates its own routed data stream 18a-c and outputs a respective RF signal 20a-c with a carrier, the RF signal passes through a routed data stream 18a- c Per...

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PUM

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Abstract

A system for transporting a plurality of analog and / or digital signals over an optical fiber can include one or more master modems for modulating digital signals and / or RF inserters modulating video signals. The RF signals from the modem(s) / RF inserters are up-converted resulting in frequency bands that are non-overlapping and are spaced apart within a single sub-octave. The sub-octave signal is then converted into an optical signal and directed onto an end of an optical fiber. At the downstream end of the optical fiber, the received optical signal is converted to an RF signal at an optical receiver. The RF signal is then filtered, down-converted and directed to a selected coaxial distribution unit. From the coaxial distribution unit, the RF signal is demodulated, e.g. at a slave modem, to recover the initial analog and / or digital signal.

Description

[0001] This application is a partial continuation application with the serial number 13 / 585,653 filed on August 4, 2012. The application with the above application number is currently under review. The content of application serial number 13 / 585,653 is included here by reference. Technical field [0002] The present invention generally relates to optical systems and methods for transmitting digital and / or analog signals. More specifically, the present invention relates to a system and method for transmitting multiple different analog and / or digital signals simultaneously with sub-octave transmission over a relatively long optical fiber. The present invention is specifically used for, but not exclusively used for, combining multiple different digital and / or analog signals on a single sub-octave radio frequency (RF) signal for subsequent conversion to be configured for optical transmission on optical fibers System and method of light beam. Background technique [0003] For communi...

Claims

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Application Information

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IPC IPC(8): H04B10/2543H04B10/2575
CPCH04N7/22H04J14/0298H04H20/69H04B10/25751
Inventor 孙震国彼得·H·沃尔夫
Owner TITAN PHOTONICS
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