Okhotnikov fiber lasers pdf

In a conventional single transverse mode laser such as formed with a singlemode. Osa fiber taper for dispersion management in a mode. Okhotnikov, multimode erdoped fiber for singletransversemode. Fiber lasers wiley online books wiley online library. Okhotnikov april 8, 1951 to april 8, 2016, an inspired scientist who has made a significant contribution to the development of fiber lasers. The important aspects of the modelocked fiber lasers relevant to practical security systems are presented. Erbium and ytterbium fiber lasers were firmly synchronized by nonlinear interaction in active media placed in the same cavity. Ultrafast fiber lasers using novel semiconductor saturable. Fundamentals and enabling technologies to enter the. A fiber laser is a laser in which the active gain medium is an optical fiber doped with rareearth. For the next several decades, fiber lasers were little more than a low. With the taper removed from the cavity, the laser operates in a net normal dispersion regime. Optimization of modelocked fiber lasers by intracavity dispersion compensation and repetition rate stabilization is described.

Review of the main achievements and breakthrough technologies. The fiber taper provides sufficient anomalous dispersion to ensure soliton operation of the modelocked laser. Okhotnikov tampere university, finland was awarded the ph. We give an overview of recent achievements in ultrafast fiber lasers. In all the elaborate, fiber lasers are described especially in respect of the classical laser, showing in this way what are the changes and first of all the advantages that we can reach with a. We exploit the large anomalous dispersion in the waist of a fiber taper to offset the intracavity normal chromatic dispersion of an ybdoped fiber laser. The book brings together contributions from the worlds leading experts at major collaborative research centers. A modelocked ybdoped fiber laser was developed without the use of any dispersion compensation technique. A comprehensive account of the latest developments and applications in this rapidly developing field, covering a wide range of topics, such as power scaling and short pulse generation, dispersion management and modeling, broadband supercontinuum generation and wavelength tailoring.

A twocolor femtosecondpicosecond pulse train at largely separate wavelengths of 1. Optimizing the laser cavity to enhance the crossphase modulation in the gain materials has yielded a large mismatch of 20 m between the two laser. Conceptual outline of modelocked multimode fiber lasers. Okhotnikov, allfiber picosecond laser source based on nonlinear. Search the leading research in optics and photonics applied research from spie journals, conference proceedings and presentations, and ebooks. An nd modelocked fiber laser is introduced as a way to obtain picosecond pulses in the near infrared 900 nm. The fiber gain medium allows for efficient pumping of the 900. Review of the main achievements and breakthrough technologies abstract. The first rareearthdoped fiber lasers were operated in the early. Pdf spatiotemporal modelocking in multimode fiber lasers. Okhotnikov, allfiber ytterbium soliton modelocked laser with dispersion control by solidcore photonic bandgap fiber, opt.