Doping management for high-power fiber lasers: 100 W, few-picosecond pulse generation from an all-fiber-integrated amplifier

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dc.citation.epage3044en_US
dc.citation.issueNumber15en_US
dc.citation.spage3042en_US
dc.citation.volumeNumber37en_US
dc.contributor.authorElahi, P.en_US
dc.contributor.authorYilmaz, S.en_US
dc.contributor.authorAkçaalan, Ö.en_US
dc.contributor.authorKalaycioğlu, H.en_US
dc.contributor.authorÖktem, B.en_US
dc.contributor.authorŞenel, Ç.en_US
dc.contributor.authorIlday, F. Ö.en_US
dc.contributor.authorEken, K.en_US
dc.date.accessioned2016-02-08T09:45:32Z
dc.date.available2016-02-08T09:45:32Z
dc.date.issued2012-07-16en_US
dc.departmentDepartment of Physicsen_US
dc.departmentInstitute of Materials Science and Nanotechnology (UNAM)en_US
dc.description.abstractThermal effects, which limit the average power, can be minimized by using low-doped, longer gain fibers, whereas the presence of nonlinear effects requires use of high-doped, shorter fibers to maximize the peak power. We propose the use of varying doping levels along the gain fiber to circumvent these opposing requirements. By analogy to dispersion management and nonlinearity management, we refer to this scheme as doping management. As a practical first implementation, we report on the development of a fiber laser-amplifier system, the last stage of which has a hybrid gain fiber composed of high-doped and low-doped Yb fibers. The amplifier generates 100 W at 100 MHz with pulse energy of 1 μJ. The seed source is a passively mode-locked fiber oscillator operating in the all-normaldispersion regime. The amplifier comprises three stages, which are all-fiber-integrated, delivering 13 ps pulses at full power. By optionally placing a grating compressor after the first stage amplifier, chirp of the seed pulses can be controlled, which allows an extra degree of freedom in the interplay between dispersion and self-phase modulation. This way, the laser delivers 4.5 ps pulses with ∼200 kW peak power directly from fiber, without using external pulse compression.en_US
dc.description.provenanceMade available in DSpace on 2016-02-08T09:45:32Z (GMT). No. of bitstreams: 1 bilkent-research-paper.pdf: 70227 bytes, checksum: 26e812c6f5156f83f0e77b261a471b5a (MD5) Previous issue date: 2012en
dc.identifier.doi10.1364/OL.37.003042en_US
dc.identifier.issn0146-9592
dc.identifier.urihttp://hdl.handle.net/11693/21385
dc.language.isoEnglishen_US
dc.publisherOptical Society of Americaen_US
dc.relation.isversionofhttp://dx.doi.org/10.1364/OL.37.003042en_US
dc.source.titleOptics Lettersen_US
dc.subjectAs dopingen_US
dc.subjectAverage poweren_US
dc.subjectDegree of freedomen_US
dc.subjectDispersion managementen_US
dc.subjectDoping levelsen_US
dc.subjectGain fibersen_US
dc.subjectGrating compressorsen_US
dc.subjectHigh power fiber lasersen_US
dc.subjectLast stageen_US
dc.subjectNonlinear effecten_US
dc.subjectNonlinearity managementen_US
dc.subjectPassively mode-lockeden_US
dc.subjectPeak poweren_US
dc.subjectPulse energiesen_US
dc.subjectPulse generationen_US
dc.subjectSeed pulseen_US
dc.subjectSeed sourceen_US
dc.subjectYb-fiberen_US
dc.subjectFiber lasersen_US
dc.subjectIntegrated opticsen_US
dc.subjectPassive mode lockingen_US
dc.subjectPulse generatorsen_US
dc.subjectUltrashort pulsesen_US
dc.subjectYtterbiumen_US
dc.subjectFibersen_US
dc.titleDoping management for high-power fiber lasers: 100 W, few-picosecond pulse generation from an all-fiber-integrated amplifieren_US
dc.typeArticleen_US

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