PERFORMANCE ANALYSIS OF 112 Gbps PDM-QPSK COHERENT SYSTEM FOR OPTICAL TRANSMISSIONMajor Project ReportA thesis submitted in partial fulfillment of the requirement ofMASTER OF TECHNOLOGYINDIGITAL COMMUNICATIONSubmitted byMONIKA RANI

(00710100713)Supervised byMrs. Richa Bhatia(Associate Professor)Department of Electronics & Communication EngineeringAMBEDKAR INSTITUTE OF ADVANCED COMMUNICATIONTECHNOLOGIES AND RESEARCH(Government of NCT Delhi)

(Affiliated to G.G.S.I.P.University, Government of NCT Delhi)

JULY-2015DECLARATIONThis is to certify that dissertation entitled Performance Analysis of 112 Gbps PDM-QPSK Coherent System For Optical Transmission which is submitted by me in partial fulfillment of the requirement for the award of Master of Technology in Digital Communication to Ambedkar Institute of Advanced Communication Technologies & Research, affiliated to Guru Gobind Singh Indraprastha University, Delhi. The research work is original and has not been submitted in part or full to any other University or Institute for the award of any other degree.Date:

MONIKA RANI(00710100713)CERTIFICATEThis is to certify that dissertation entitled Performance Analysis of 112 Gbps PDM-QPSK Coherent System for Optical Transmission which is submitted by Ms. Monika Rani (Enrollment Number: 00710100713) in partial fulfillment of the requirement for the award of M.Tech. Degree in Digital Communication to Ambedkar Institute of Advanced Communication Technologies & Research, affiliated to Guru Gobind Singh Indraprastha University, Delhi is a record of the candidate own work carried out by her under my supervision and guidance. The matter embodied in this thesis is original work and to the best of my knowledge and belief the material has not been submitted elsewhere for the award of any other degree.

Place: New DelhiDate:Mrs. Richa Bhatia(Supervisor & Coordinator M.Tech- DC)(Associate Professor)Department of Electronics & Communication A.I.A.C.T.R., New DelhiProf. R. K. Sharma(Head of Department)Department of Electronics & Communication A.I.A.C.T.R., New DelhiACKNOWLEDGEMENTSIn the name of God, Most Gracious, and Most Merciful, I would like to thank many people who have made my master project possible.In particular I wish to express my sincere gratitude to my supervisor, Mrs. Richa Bhatia, for invaluable guidance throughout the course of this project. Her guidance, ideas, Encouragement, affable nature, kindness and support were greatly helpful. Even with her busy schedule, she spent considerable amount of time helping me throughout the different phases of this project.My profound gratitude to Prof. Ashok Mittal, Principal and Dr. R. K. Sharma, HOD (ECE), AIACT&R, Delhi, for providing me the facilities to perform my thesis work at the Institute.I would like to acknowledge Mr. Vijay Kumar Baleja, Director (E), Head of Office, AIR, HPT, Khampur, Delhi for giving his special assent to work on my thesis.I would like to thank Mr. Sandeep Dahiya for his sincere advice, suggestion, critics and guidance of my thesis.I would never have been able to make accomplishment without my loving support of my Parents and my sister.My sincere appreciation extends to all my best friends; and others who have provide assistance. Their views and tips are useful indeed .Unfortunately; its not possible to list all of them in this limited space. I am grateful having all of you beside me.Thank you very much.