A Study of Enhanced Optical Single Sideband Modulation Based on Scattering Effects and Semiconductor Laser Injection Locked Technology

摘要

We propose a transmission system based on stimulated Brillouin scattering (SBS) and Distributed-Feedback (DFB) Lasers to achieve OSSB modulation in fiber. These two kinds of technologies fall on frequency band approximately nearby 10.8 GHz, to enhance OSSB signal. The first step drive radio-frequency (RF) signal into the modulation and then used SBS effect to enhance right sideband. The second step based on injection-locked DFB Lasers to achieve OSSB modulation. After 25-km of single-mode fiber (SMF) transmission test, we can observe the sideband power ratio (SBPR) ＞15.81 dB and power penalty is 5.2 dB.