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Intermodulation distortion characteristics of a semiconductor laser amplifier in subcarrier multiplexing |
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| Authors: | Sung-Un Lee Sang-Yung Shin |
| Affiliation: | Optical Subscriber Technology Section, Electronics and Telecommunications Research Institute, P.O. Box 8, Daedog Science Town, Taejon 305-606, South Korea Department of Electrical Engineering, Korea Advanced Institute of Science and Technology, Daedog Science Town, Taejon, South Korea |
| Abstract: | The intermodulation distortion (IMD) characteristics of a subcarrier multiplexed signal in semiconductor laser amplifiers have been calculated. The minimum value of the carrier to the second-order IMD with detuning decreases 3 dB for the amplifier under consideration when the facet reflectivity changes from 10-4 to 10-3. In the case of third-order IMD the minimum value of the carrier to IMD ratio with detuning decreases 10 dB for the same change of reflectivity. |
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