This book gives a contemporary overview of the technologies of singlefrequency fiber lasers. Feb 10, 2011 actively qswitched ytterbium tapered fiber laser filippov, valery. He published more than journal papers, conference presentations and holds 6 patents. Due to enhanced nonlinear interaction in the fiber, noisefree pulselocking was achieved allowing for a cavity mismatch tolerance of 140. Cnt saturable absorber has been used successfully to obtain pulse generation in both anomalous and normal cavity dispersion regimes. The all fiber design using dichroic fiber mirror combined with photonic bandgap fiber dispersion compensator is highly stable and requires virtually no alignment. Highrepetition rate modelocked ytterbium fiber laser. The development of singlefrequency fiber lasers is one of the most significant achievements in the field of laser photonics over the past two decades. Oleg okhotnikov1, anatoly grudinin2 and markus pessa1. Citeseerx document details isaac councill, lee giles, pradeep teregowda. Midrio dipartimento di elettronica ed infomtica, universita di padova, via gradenigo 6la, 351, padova, italy liztroduction. A compact version of the fiber laser was built using a girestournois compensator and short length 1cm long of highly doped yb fiber.
In this work, we have constructed an actively qswitched tdcf laser with an acoustooptic modulator aom. Okhotnikov is with the the optoelectronics research centre, tampere university of technology, fin333101 tampere, finland email. Okhotnikov tampere university, finland was awarded the ph. Role of cavity dispersion on soliton grouping in a fiber.
Apr 01, 2019 we demonstrate a passively qswitched and modelocked tmho codoped fiber laser based on a ws 2 saturable absorber sa fabricated by chemical vapor deposition method. Matei rusu, robert herda, samuli kivisto, and oleg g. Actively qswitched laser with tdcf generated stable emission at 1065 nm over a wide repetition rate range of 0 hz 150 khz, with the highest measured pulse energy of 1. Using a master slave configuration, a robust synchronization was achieved for twocolor erbium and ytterbium modelocked fiber lasers. Apr 25, 2012 saturable absorber based on pbs quantumdotdoped glasses exhibiting bitemporal recovery dynamics provides effective means for control of vector soliton bunching in 2.
A fbg consists of a periodic change in the refractive index of a fiber core. Tapered fiber lasers and amplifiers fiber lasers wiley. Regina gumenyuk, ismo vartiainen, hemmo tuovinen, and oleg g. To generate intense pulses from a fiber, several fundamental limitations have to be overcome. Pdf raman fiber oscillators and amplifiers pumped by.
Ultrafast fibre laser systems based on sesam technology. Spie 5954, optical security systems, 59540b 23 september 2005. Volume 20, issue 6, pages 561724 december 2014 download full issue. Tapered fiber lasers a nd amplifiers valery filippov, juho kerttula and oleg g. Highrepetition rate modelocked ytterbium fiber laser using. In recent years, modelocked thuliumdoped fiber lasers have attracted increasing attention in the scientific community. Towards stabilized, short pulse qswitched fiber lasers. Amazon com fiber amplifiers and fiber lasers fiber lasers oleg g okhotnikov 9783527411146 amazon may 10th, 2018 buy fiber lasers on amazon com free shipping on qualified orders amazon com fiber amplifiers and fiber lasers. Morozov, lasse orsila, mircea guina, markus pessa, and oleg g. Using semiconductor saturable absorber mirrors allows for reliable modelocked operation with different values of cavity dispersion in a broad spectrum ranged from 900 to 1600 nm. This book serves as a comprehensive, uptodate reference about this cuttingedge laser technology and its many new and interesting developments. Bale aston university, school of electronic engineering and applied science, photonics research group, aston triangle, birmingham b4 7et, united kingdom.
Read optical amplifiers and lasers based on tapered fiber geometry for power and energy scaling with low signal distortion, proceedings of spie on deepdyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips. Okhotnikov gratings fbgs have opened the opportunity for the development of a large variety of optical fiber sensors and of fiber telecommunication devices, also 1. Vector soliton control by saturable absorbers with complex. Such lasers are very attractive as a seed source for generating blue light using shg. Fiber lasers wiley online books wiley online library. The slow response of absorption creates an attractive force between pulses, and a bunch of tightly bounded vector solitons propagates in a cavity as an entity. A fiber laser or fibre laser in british english is a laser in which the active gain medium is an optical fiber doped with rareearth elements such as erbium, ytterbium, neodymium, dysprosium, praseodymium, thulium and holmium. Osa fiber taper for dispersion management in a modelocked. The laser comprised a linear fiber cavity defined by the fiber loopmirror and the semiconductor saturableabsorber mirror sesam used to selfstart the modelocking. Download single frequency fiber lasers book pdf epub. Optical amplifiers and lasers based on tapered fiber.
Abstractusing semiconductor saturable absorber mirrors and a gratingpair dispersion compensator, we obtain reliable selfstarting mode locking of a ytterbium yb fiber laser tunable over 125 nm. Saturable absorbers exhibiting complex recovery are shown to affect strongly the dynamics of vector soliton interaction. Nov 06, 2018 this demonstration of picosecond pulse generation from 2. Raman fiber lasers written by yan feng, published by springer which was released on 05 october 2017. This is the highest tolerable cavitylength difference ever been obtained for synchronized modelocked oscillators. Mar 25, 2021 download single frequency fiber lasers books now. Okhotnikov published more than 280 journal articles, 100 conference papers, and numerous patents, many of which represented pioneering work in the area of fiber lasers.
Stable regimes of asymptotic singlepulse generation have been identified as zones in a parameter map. Highly efficient 750 w tapered doubleclad ytterbium fiber laser valery filippov,1 juho kerttula1,yuri chamorovskii,2 konstantin golant2 and oleg g. Abstractusing semiconductor saturable absorber mirrors. Modelocked bidoped allfiber laser with chirped fiber bragg.
Okhotnikov april 8, 1951 to april 8, 2016, an inspired scientist who has. Okhotnikov, fiber taper for dispersion management in a modelocked ytterbium fiber laser, opt. 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. Ultralarge core birefringent ybdoped tapered double clad fiber for high power amplifiers andrey fedotov, 1, teppo noronen,2 regina gumenyuk,1 vasiliy ustimchik,3,4 yuri chamorovskii,4 konstantin golant,4 maxim odnoblyudov,5 joona rissanen,1 tapio niemi,1 and valery filippov 5 1tampere university of technology, korkeakoulunkatu 3, 33101. The modelocked laser produces 572fs soliton pulses at 571. A fiber laser is a laser in which the active gain medium is an optical fiber doped with rareearth. Polarization mode locking in erbium doped fiber ring lasers. Dissipative soliton fiber lasers fiber lasers wiley. The effect of cavity dispersion on the dynamics of bound soliton states in a fiber laser has been studied both experimentally and numerically. A buttcoupled sesam provided reliable selfstarting at a pump power of 150 mw. Grasso societd cavi pirellli, viale sarca 2,20126 milano, italy p. A yu chamorovskiy and oleg g okhotnikov 2012 quantum electron. The book brings together contributions from the worlds leading experts at major collaborative research centers.
Okhotnikov, 8 ns fiber laser q switched by the resonant saturable absorber mirror, optics letters. Pdf 5 modeling and technologies of ultrafast fiber lasers. Since 1999 he has been a fulltime professor at optoelectronics research centre, tampere university of. We report a first dissipative dispersivemanaged soliton fiber laser operating at 2. A fbg consists of a periodic change in the refractive index of a fiber. Download raman fiber lasers book pdf epub mobi tuebl. Taylor1 1femtosecond optics group, physics department, prince consort road, imperial college, london sw7 2az, uk 2kotelnikov institute of radio engineering and electronics of ras, 117. The cavity comprised of allanomalousdispersion fiber employs chirped fiber bragg grating, which ensures netnormal cavity dispersion and semiconductor saturable absorber for modelocking. 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.
Optical amplifiers and lasers based on tapered fiber geometry. Environmentally stable 200fs ybdoped fiber laser with. Modeling and technologies of ultrafast fiber lasers brandon g. Technology and applications ed m e ferman, a galvanauskas and g sucha new york. Effect of absorption recovery in bismuthdoped silica glass. Okhotnikov tampere university of technology, optoelectronics research centre, korkeakoulunkatu 3, 33720 tampere, finland tampere university of technology, optoelectronics research center, korkeakoulunkatu 3, 333101 tampere, finland. Highly efficient 750 w tapered doubleclad ytterbium fiber laser. Okhotnikov optoe lect ronics rese arch cent re, tampere unive rsity of t echn ology, 33101 tampere, fi nland. Ultralarge core birefringent ybdoped tapered double. Use features like bookmarks, note taking and highlighting while reading fiber lasers.
Tampere university of technology, optoelectronics research centre, korkeakoulunkatu 3, 33720 tampere, finland. Passively qswitched and modelocked tmho codoped fiber. Parkswitchable multiwavelength and dualscale soliton fiber laser incorporating cascaded chirped fiber bragg gratings c zeng and y d cuia stable 2 m passively qswitched fiber. Golant,2 janne puustinen,3 oleg okhotnikov,3 and james r. Nevertheless, novel experimental strategies and fiber. Download raman fiber lasers book pdf epub mobi tuebl and read. Oleg okhotnikov 1, anatoly grudinin 2 and markus pessa 1.
Nowadays, fiber lasers hold firmly the leading position in some applications by forcing. Osa fiber taper for dispersion management in a mode. Highpower ultrafast fiber laser systems ieee journals. In normal dispersion regime, the laser delivered 14 ps pulses which could be compressed to 1. Modeling and technologies of ultrafast fiber lasers. Dec 27, 2004 the effect of the amplified spontaneous emission ase on the performance of the semiconductor saturable absorber mirrors sesams in modelocked fiber lasers has been investigated. Picosecond sesambased ytterbium modelocked fiber lasers. A high power mopalaser based on a modelocked thuliumdoped. Download single frequency fiber lasers book pdf epub mobi. Picosecond bismuthdoped fiber mopfa for frequency conversion ben h. Chamorovskii, yuri k golant, konstantin m vorotynskii, andrei.
Modeling and technologies of ultrafast fiber lasers fiber. Nov, 2014 the passive fiber components of the laser were made of standard telecom singlemode fiber. May 15, 2006 the recent demonstration of rareearthdoped fiber lasers with a continuous wave output power well above the kilowatt level with diffractionlimited beam quality has proven that fiber lasers constitute a powerscalable solidstate laser concept. Optoelectronics research centre at tampere university of.
Picosecond sesambased ytterbium modelocked ber lasers. Ho doped fiber gain media with lengths of 1 m, 2 m, 1. Without his enthusiasm and determination this thesis would never been. Fiber lasers okhotnikov fiber lasers oleg g okhotnikov 9783527411146 amazon. Single frequency fiber lasers written by zhongmin yang, published by anonim which was released on 25 march 2021. Okhotnikov published more than 280 journal articles, a hundred conference papers, and numerous patents, many of which represented. Okhotnikov abstractwe report on intracavity sumfrequency generation in 9, of which the last one is particularly. Modelocking ml with erbium doped fiber lasers permits to combine the wide. Okhotnikov, al fiber ytterbium soliton modelocked laser with dispersion control by solidcore photonic bandgap fiber opt. Laser transitions characterization by spectral and thermal. Osa evolution and stability of pulse regimes in sesam.
The 9801105nm tuning range is achieved by optimization of nonlinear reflection and bandgap characteristics of the. Other research topics include semiconductor disk lasers and photonic band gap structures. Optical fiber amplifier with spectral compression elements for highpower laser pulse generation andrei fotiadi, dmitry korobko, oleg okhotnikov, igor zolotovskii proc. Samuli kivisto, regina gumenyuk, janne puustinen, mircea guina, evgeny m.
Cornell university, department of applied physics, 271 clark hall, ithaca, ny 14853, usa. Optical amplifiers and lasers based on tapered fiber geometry for power and energy scaling with low signal distortion valery filippov, yuri chamorovskii, konstantin golant, andrei vorotynskii, oleg okhotnikov. Actively qswitched laser with tdcf generated stable emission at 1065 nm. This oscillator signal can be manipulated to generate a pulse having a width below approximately 90 fs. Okhotnikov, all fiber supercontinuum source based on a modelocked ytterbium laser with dispersion compensation by linearly chirped bragg grating, optics express 16, 265270, 2008. The study demonstrates that soliton bunch can be compressed by attractive forces generated by a saturable absorber.
Nonlinear fibreoptic devices pumped by semiconductor disk lasers. We examine the impact of the recovery time of a semiconductor saturable absorber together with the value of its saturation fluence, total net gain, and cavity dispersion on femtosecond pulse generation by modelocked fiber lasers resulting in a massive optimization of the system performance. Since 1999 he has been a fulltime professor at optoelectronics research centre, tampere university of technology. We show that high level of ase intensity typical for fiber lasers can saturate the absorption and degrade significantly the nonlinear response of the sesam. High repetition rate modelocked ytterbium fiber laser. Pdf modelocked bidoped allfiber laser with chirped fiber. We studied the effect of the absorber recovery time and. Osa passively synchronized twocolor modelocked fiber.
The technology was granted a patent in 20 as a means to overcome the nonlinear optical effects which previously limited the powerscaling of fiber lasers and fiber amplifiers. Spectral tuning of a modelocked ybdoped fiber laser over a 90nm range is reported. Using a novel semiconductor saturable absorver mirror based on gainnas structure, selfstarted 1. Okhotnikov, dissipative dispersionmanaged soliton 2.
Modelocked ytterbium fiber laser tunable in the 9801070. Highly efficient 750 w tapered doubleclad ytterbium. Highly efficient 750 w tapered doubleclad ytterbium fiber laser valery filippov 1, juho kerttula, yuri chamorovskii, konstantin golant, oleg g okhotnikov affiliations expand. The tdcf amplifier was first conceived and demonstrated at tampere university in the research group of professor oleg okhotnikov in 2008. Vector soliton bunching in thuliumholmium fiber laser mode. 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. The fiber taper provides sufficient anomalous dispersion to ensure soliton operation of the modelocked laser. Okhotnikov april 8, 1951 to april 8, 2016, an inspired scientist who has made a significant contribution to the development of fiber lasers. It was found that phaselocked bound solitons are stable for dispersion. Effect of amplified spontaneous emission and absorber mirror. In one embodiment, a laser system operating at approximately 1050 nm comprises an oscillator having a spectral bandwidth of approximately 19 nm.
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