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Optical single sideband signal generation using phase modulation of semiconductor optical amplifier

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3 Author(s)
Ui-Soo Lee ; Dept. of Electr. & Electron. Eng., Yonsei Univ., Seoul, South Korea ; Hyun-Do Jung ; Sang-Kook Han

An optical single sideband (OSSB) generation method using phase modulation in semiconductor optical amplifier (SOA) is proposed to overcome the dispersion-induced carrier suppression problem which limits available fiber frequency range in analog optical link. The OSSB generation was achieved by phase variation in SOA which results π/2 phase difference between the amplitude and phase terms of modulated optical signal. A 21-dB difference between two sidebands was experimentally observed. From the transmission experiment up to 100 km over single-mode fiber, we confirmed that the generated OSSB signal is good enough to remove the radio frequency signal degradation due to chromatic dispersion.

Published in:

Photonics Technology Letters, IEEE  (Volume:16 ,  Issue: 5 )