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Short Note: a. Transmission system model b. Power penalty c. Crosstalk d. Wavelength Stabilization
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a. Transmission system Model:
Figure 6.4 shows a block diagram of the various components of a unidirectional WDM link.
The transmitter consists of a set of DFB lasers, with or without external modulators, one for each wavelength. The signals at the different wavelengths are combined into a single fiber by …