Abstract
This paper proposed and successfully demonstrated 320 channel optically amplified 1550 nm light wave directly modulated high channel density CATV transport system. The optical injection technique increases the photon density of the modulation section and improves the overall performance of the fiber optical CATV system. Designed network demonstrates the improvement of transmission distance and channel density. Good performance in terms of output power, Composite Triple Beat (CTB), Signal to Noise Ratio (SNR), Composite Second Order (CSO) and Carrier to Noise ratio (CNR) has been observed by utilizing optical injection technique. Almost about 74 dBm Composite Second Order (CSO) has been achieved by utilizing 14 dBm optical injection techniques.
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