Gowar presents the derivation for optical receivers, considering thermal noise (Johnson noise), shot noise (quantum nature of light), and dark current. He emphasizes the concept of quantum limit and the transition from thermal-noise-limited to shot-noise-limited performance.
Be aware that many online repositories host unauthorized copies. I recommend checking your university library’s e-book collection, Springer, IEEE Xplore, or purchasing a legitimate used copy (prices are often low since it’s an older title). Legitimate access ensures you get the correct, complete, and error-free version. optical communication system by john gowar pdf
Converts electrical signals into optical signals using lasers or LEDs. The enduring strength of the Optical Communication System
The enduring strength of the Optical Communication System lies in its systemic approach. Gowar famously avoids the trap of writing separate, isolated chapters on lasers and fibers. Instead, he forces the reader to consider power budgets and rise time budgets from the very first chapters. considering thermal noise (Johnson noise)