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Spectral Characteristics of Optical Pulse Amplifications with a Holding Light in Semiconductor Optical Amplifiers by Jong-Hoi Kim; Kwang-Ryong Oh; Kyu-Man Cho is a Engineering article available to read on EtoBox.

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This paper analyzes spectral characteristics of optical pulse amplifications with a holding light in semiconductor optical amplifiers and investigates spectral dependence on optical inputs and amplifier parameters. It is shown that spectral broadening decreases almost linearly with the holding light power by 10-20% and moreover the spectral width decreases up to that of the input pulse under the gain reduction of 3 dB. For a linear-chirped input pulse, it is indicated that the spectral shift to lower frequency is general without the holding light but spectral peak can shift to higher frequency by the holding light. For bias current and amplifier length, the peak that the spectral shift is maximized appears since the carrier recovery is faster while the frequency chirp is induced by self-phase modulation.

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Author

Jong-Hoi Kim; Kwang-Ryong Oh; Kyu-Man Cho

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0030-4018)

Published

1999

Language

EN

Field

Engineering (Physical Sciences)