Interference Stabilization and Possibility of Amplification and Lasing in Plasma Channel Formed in Gas by Intense Femtosecond Laser Field Topics: High Intensity Lasers and High Field Phenomena; Light-matter Interaction; Microwave Photonics; Nonlinear Optics; Plasma Technologies In Proceedings of the 4th International Conference on Photonics, Optics and Laser Technology PHOTOPTICS - Volume 1, 289-296, 2016 , Rome, Italy