chapter 1 Ultrafast Photoexcitation Dynamics in o -Conjugated Polymers -- chapter 2 Universality in the Photophysics of o -Conjugated Polymers and Single-Walled Carbon Nanotubes -- chapter 3 Mechanism of Carrier Photogeneration and Carrier Transport in o -Conjugated Polymers and Molecular Crystals -- chapter 4 Conformational Disorder and Optical Properties of Conjugated Polymers -- chapter 5 Laser Action in o -Conjugated Polymers -- chapter 6 Ultrafast Photonics in Polymer Nanostructures.