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Gain-clamped semiconductor optical amplifiers with adjustable gain levels
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Grating-based dispersion compensation devices
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Semiconductor optical amplifier systems
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Double-pass optical amplifiers and optical network equipment
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Optical network equipment with gain transient control and automatic drift compensation
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Optical amplifiers with age-based pump current limiters
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Optical amplifiers with stable output power under low input power conditions
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Optical network equipment with triggered data storage
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Raman amplifiers with modulated pumps
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Depolarizers for optical channel monitors
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Optical network equipment with control and data paths
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Optical amplifier spectral tilt controllers
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Optical network equipment with optical channel monitor and dynamic spectral filter alarms
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Optical amplifier systems with transient control
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Optical amplifiers and upgrade modules
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Raman optical amplifiers
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Booster amplifier with spectral control for optical communications systems
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Optical amplifier systems with transient control
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Drive circuits for microelectromechanical systems devices
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US6731424B1
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Dynamic gain flattening in an optical communication system
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