1981
DOI: 10.1049/el:19810253
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Novel electro-optical feedback technique for noise and distortion reduction in high-quality analogue optical transmission video signals

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Cited by 16 publications
(6 citation statements)
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“…The complex amplitudes of the second harmonics are obtained from (10) to (12) and expressed as The complex amplitudes of the terms corresponding to can be deduced from (10) …”
Section: B Second-order Solutionsmentioning
confidence: 99%
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“…The complex amplitudes of the second harmonics are obtained from (10) to (12) and expressed as The complex amplitudes of the terms corresponding to can be deduced from (10) …”
Section: B Second-order Solutionsmentioning
confidence: 99%
“…Electrooptical feedback or feedforward compensation techniques can be used in narrow-band systems [12], [13]. But each of these methods suffers from specific limitations.…”
mentioning
confidence: 99%
“…It may be considered that this is caused by the reduction of the coherence of the laser diode based on the reflection noise. Next, we tried to improve such modulation distortion by the opto-electronic feedback method [7,8]. As a result, an improvement of about 10 dB was obtained for the distortion in the frequency range 0-25 MHz in comparison with that of no feedback system.…”
Section: Methodsmentioning
confidence: 99%
“…1, coherent reflected waves are injected back into the laser diode, and a reflection loop is formed by the laser mirror and the reflection point. In such situation, it has signal fiber signal demod.unit -modulation ω π LD reflection transmission line point been shown experimentally that large harmonic distortions appear when a direct modulation was applied [7,8]. This additional distortion exceeds the distortion of the solely laser diode considerably.…”
Section: Modulation Properties Of Laser Diodes With Reflected Wavesmentioning
confidence: 99%
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