Kunal Saha is a 5th semester student with university roll number 10505522018 studying Optical Instrumentation in the AEIE department. His class roll number is 09 and the subject is Optical Fiber Transmission Link. Optical transmission employs modulated monochromatic light to carry information from transmitter to receiver over the wide light spectrum from far infrared to near ultraviolet. Propagating at such high frequencies, optical wavelengths are well-suited for high-rate broadband telecommunication.