de DOCTEUR DE L ’ UNIVERSITÉ DE GRENOBLE

Les fils photoniques : une géométrie innovante pour la réalisation de sources de lumière quantique brillantes Thèse soutenue publiquement le 21 novembre 2011, devant le jury composé de : Acknowledgements At the time of writing my dissertation, I am feeling just like walking this journey through time again. That was the last week of February but around three years ago when I was applied for this position in Joint Group of CEA-CNRS, NPSC ‹‹ Nanophysique et Semiconducteurs ›› Grenoble FRANCE, indeed almost half a world away from my home country. In the last week of September in that year, I started my research work in the Group NPSC you will see here is this dissertation. At NPSC, I have been fortunate enough to be surrounded by many kind people to offer help and useful guidance to complete my research there, so first I owe a debt of deep gratitude to the many people who contributed to my maturity as researcher and analytical thinker at NPSC. First and foremost, I would like to express my deepest gratitude and indebtedness to my Director of thesis Jean-Michel Gérard and my Supervisor Julien Claudon, who offered me this opportunity to work in this group and guided me throughout my research. In spite of his busy schedule, Jean-Michel always made time for individual meetings to discuss about the progress and problem of projects and always gave his invaluable guidance and suggestions. I would also like to thank Prof. Henri Mariette, Director of the group NPSC, to give opportunity me to work in this group and support me throughout my dissertation. Again a special thank goes to my supervisor Julien Claudon, a truly incredible research advisor and mentor and above all a nice human being, for the great support and invaluable guidance he has provided me throughout my dissertation. I would say that never once did he act like my boss nor did he ever treat me like a PhD student. Although we worked together most of the time of my dissertation but he never looked over my shoulder to make sure I was working properly or not, yet he was always one door away whenever I needed him for advice (some time for coffee too !). He is role model for me. He expertly guided me to success in many projects I worked on, and I have benefited from his intelligence, critical thinking, creativity and …