WAVELENGTH DIVIDING MULTIPLE LIGHT COMMUNICATION SYSTEM HAVING REDUCED LOSS OF SHORTER WAVELENGTH
PROBLEM TO BE SOLVED: To reduce loss of a shorter wavelength channel by correcting net negative dispersion and gradient of the dispersion of at least two signal channels and all signal channels, with a model including DCG. SOLUTION: A plurality of wavelength signal channels at wavelength λ1
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| creator | ROLAND PATRICIO ESPINDRA WAGENER JEFFERSON LYNN |
| description | PROBLEM TO BE SOLVED: To reduce loss of a shorter wavelength channel by correcting net negative dispersion and gradient of the dispersion of at least two signal channels and all signal channels, with a model including DCG. SOLUTION: A plurality of wavelength signal channels at wavelength λ1 |
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SOLUTION: A plurality of wavelength signal channels at wavelength λ1<λ2<... <λn are delivered by a down fiber 32 of a transmitter 31. These channels generated negative dispersion when they travels in the fiber 32. These signals can be amplified in an amplifier 37. When the signals reach a positive dispersion corrector 33, they go into a port 1 of a circulator 34 and go into a positive dispersion DCG 35 through the port 1. The signals corrected in dispersion reflects and returns to a port 2 of the circulator 34, go into the port 3, and returns to a fiber 32'. And they proceeds from the fiber 32' to a receiver 36'. 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SOLUTION: A plurality of wavelength signal channels at wavelength λ1<λ2<... <λn are delivered by a down fiber 32 of a transmitter 31. These channels generated negative dispersion when they travels in the fiber 32. These signals can be amplified in an amplifier 37. When the signals reach a positive dispersion corrector 33, they go into a port 1 of a circulator 34 and go into a positive dispersion DCG 35 through the port 1. The signals corrected in dispersion reflects and returns to a port 2 of the circulator 34, go into the port 3, and returns to a fiber 32'. And they proceeds from the fiber 32' to a receiver 36'. Usually, these signal channels are in a wavelength range including 1520 nm-1620 nm.</abstract><edition>7</edition><oa>free_for_read</oa></addata></record> |
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| subjects | DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY FREQUENCY-CHANGING MULTIPLEX COMMUNICATION NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF TRANSMISSION |
| title | WAVELENGTH DIVIDING MULTIPLE LIGHT COMMUNICATION SYSTEM HAVING REDUCED LOSS OF SHORTER WAVELENGTH |
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