Method for enhancing signals transmitted over optical fibers
Patent
·
OSTI ID:864700
A method for spectral equalization of high frequency spectrally broadband signals transmitted through an optical fiber. The broadband signal input is first dispersed by a grating. Narrow spectral components are collected into an array of equalizing fibers. The fibers serve as optical delay lines compensating for material dispersion of each spectral component during transmission. The relative lengths of the individual equalizing fibers are selected to compensate for such prior dispersion. The output of the equalizing fibers couple the spectrally equalized light onto a suitable detector for subsequent electronic processing of the enhanced broadband signal.
- Research Organization:
- EG & G Inc., Las Vegas, NV (United States)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- AC08-76NV01183
- Assignee:
- Ogle; James W., Goleta, CA (United States)
- Patent Number(s):
- 4,405,199
- Application Number:
- 06/233,532
- OSTI ID:
- 864700
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
/359/250/356/
array
broadband
broadband signal
broadband signals
collected
compensate
compensating
component
components
couple
delay
delay line
delay lines
detector
dispersed
dispersion
electronic
enhanced
enhancing
equalization
equalized
equalizing
fiber
fibers
frequency
frequency spectra
grating
individual
input
lengths
light
lines
material
method
narrow
optical
optical delay
optical fiber
optical fibers
output
prior
processing
relative
selected
serve
signal
signal input
signals
signals transmitted
spectral
spectral component
spectral components
spectrally
subsequent
suitable
suitable detector
transmission
transmitted
array
broadband
broadband signal
broadband signals
collected
compensate
compensating
component
components
couple
delay
delay line
delay lines
detector
dispersed
dispersion
electronic
enhanced
enhancing
equalization
equalized
equalizing
fiber
fibers
frequency
frequency spectra
grating
individual
input
lengths
light
lines
material
method
narrow
optical
optical delay
optical fiber
optical fibers
output
prior
processing
relative
selected
serve
signal
signal input
signals
signals transmitted
spectral
spectral component
spectral components
spectrally
subsequent
suitable
suitable detector
transmission
transmitted