Additive-pulse-compression mode locking of a neodymium fiber laser

Fermann, M. E.; Höfer, Michael; Haberl, F.; Schmidt, Alexander; Túri, László

doi:10.1364/ol.16.000244

Cited by 79 publications

(15 citation statements)

References 15 publications

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“…Rare-earth-doped fiber lasers are also susceptible to Q-switching due to their long upper-state lifetimes. Passive mode-locking of fiber lasers to generate subpicosecond pulses has been achieved using three main methods: nonlinear amplifying loop mirror [24][25][26], nonlinear polarization rotation (also called polarization additive pulse mode-locking or Kerr mode-locking) [27][28][29], and semiconductor saturable absorbers [30][31][32].…”

Section: Review Of Passive Mode-locking Techniques and Resultsmentioning

confidence: 99%

Ultrashort-pulse fiber ring lasers

Nelson¹,

Jones²,

Tamura³

et al. 1997

Applied Physics B: Lasers and Optics

746

385

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Abstract. This paper reviews recent progress on ultrashort pulse generation with erbium-doped fiber ring lasers. The passive mode-locking technique of polarization additive pulse mode-locking (P-APM) is used to generate stable, selfstarting, sub-500 fs pulses at the fundamental repetition rate from a unidirectional fiber ring laser operating in the soliton regime. Saturation of the APM, spectral sideband generation, and intracavity filtering are discussed. Harmonic modelocking of fiber ring lasers with soliton pulse compression is addressed, and stability regions for the solitons are mapped and compared with theoretical predictions. The stretchedpulse laser, which incorporates segments of positive-and negative-dispersion fiber into the P-APM fiber ring, generates shorter (sub-100 fs) pulses with broader bandwidths (> 65 nm) and higher pulse energies (up to 2.7 nJ). We discuss optimization of the net dispersion of the stretched-pulse laser, use of the APM rejection port as the laser output port, and frequency doubling for amplifier seed applications. We also review the analytical theory of the stretched-pulse laser as well as discuss the excellent noise characteristics of both the soliton and stretched-pulse lasers. 42.60F; 42.65; 42.80 Fiber lasers were made possible in the 1960s by the incorporation of trivalent rare-earth ions such as neodymium, erbium, and thulium into glass hosts [1]. Soon thereafter neodymium was incorporated into the cores of fiber waveguides [2,3]. Due to the high efficiency of the Nd +3 ion as a laser, early work focused on Nd +3 -doped silica fiber lasers operating at 1.06 µm [4]. Doping of silica fibers with Er +3 ions was not achieved until the 1980s [5,6]. Since that time Er +3 -doped fiber lasers have received much attention, because the lasing wavelength at 1.55 µm falls within the low-loss window of optical fibers and thus is suitable for optical fiber communications. Rare-earth ions such as Ho +3 [7,8], Tm +3 [9-11], and * Current address: Lucent Technologies/Bell Labs, 791 Holmdel-Keyport Road, Holmdel, NJ, USA * * Current address: NTT Access Network Systems Laboratory, Tokai-mura, Naka-gun, Ibaraki-ken 319-11, Japan Yb +3 [12,13] have also been used as dopants or co-dopants in silica or fluoride fibers, allowing new lasing or pumping wavelengths, and Pr +3 has been incorporated into fluoride fiber, providing emission at 1.3 µm [14,15]. PACS:Among the numerous advantages of fiber lasers are simple doping procedures, low loss, and the possibility of pumping with compact, efficient diodes. The fiber itself provides the waveguide, and the availability of various fiber components minimizes the need for bulk optics and mechanical alignment. Many different cavity configurations can be easily built with fibers and fused-fiber couplers, including linear FabryPerot, ring, and combinations of the two. Enhancement of the fiber nonlinearity due to large signal intensities and long interaction lengths is an additional advantage of fiber lasers that is particularly important for mode-locki...

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Section: Review Of Passive Mode-locking Techniques and Resultsmentioning

confidence: 99%

Ultrashort-pulse fiber ring lasers

Nelson¹,

Jones²,

Tamura³

et al. 1997

Applied Physics B: Lasers and Optics

746

385

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“…The effective modulation coefficient of the interferometer was calculated to be K = 2.8 X lop5 W-'. [78], or nonlinear polarization evolution in a weakly birefringent fiber [80],…”

Section: A Self-starting Mode Lockingmentioning

confidence: 99%

Femtosecond solid-state lasers

Krausz

Fermann

Brabec

et al. 1992

IEEE J. Quantum Electron.

Self Cite

255

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The emergence of new ultrafast optical modulation techniques has opened the way towards a new femtosecond laser technology based on solid-state gain media. This paper addresses the requirements for stable ultrashort pulse generation in these novel femtosecond sources. The theoretical considerations are backed up by experimental results obtained with a number of different laser systems. The conclusions drawn from the presented theoretical and experimental investigations provide general guidelines for the design and optimization of a wide range of femtosecond solid-state laser oscillators.

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“…In fact, passive mode-locking (ML) is an all-optical technique that relies on the intensity-dependent cavity loss mechanism via the interaction of intensity fluctuations and nonlinearities of the laser cavity medium without having an external control for the signal [9]. Over the last decades, various passive ML mechanisms or devices, which include nonlinear polarization evolution [10][11][12], nonlinear amplifier loop mirrors [13,14], semiconductor saturable absorber mirrors (SESAMs) , more recently carbon nanotubes (CNTs) [38,39], graphene [40][41][42], etc have been introduced to fiber lasers. The first two methods rely on the "virtual" saturable absorbers via the Kerr nonlinearity of fiber combined with a polarizer.…”

Section: Introductionmentioning

confidence: 99%

Wavelength-Tunable, Passively Mode-Locked Erbium-Doped Fiber Master-Oscillator Incorporating a Semiconductor Saturable Absorber Mirror

Vazquez-Zuniga¹,

Jeong²

2013

Journal of the Optical Society of Korea

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We briefly review the recent progress in passively mode-locked fiber lasers (PMLFLs) based on semiconductor saturable absorber mirrors (SESAMs) and discuss the detailed characterization of a SESAM-based, passively mode-locked erbium-doped fiber (EDF) laser operating in the 1.5-μm spectral range for various configurations. A simple and compact design of the laser cavity enables the PMLFL to generate either femtosecond or wavelength-tunable picosecond pulses with high stability as the intra-cavity filtering method is altered. All the cavities investigated in our experiments present self-starting, continuous-wave mode-locking with no Q-switching instabilities. The excellent stability of the source eventually enables the wavelength-tunable PMLFL to be used as a master oscillator for a power-amplifier source based on a large-core EDF, generating picosecond pulses of >10-kW peak power and >100-nJ pulse energy.

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Additive-pulse-compression mode locking of a neodymium fiber laser

Cited by 79 publications

References 15 publications

Ultrashort-pulse fiber ring lasers

Ultrashort-pulse fiber ring lasers

Femtosecond solid-state lasers

Wavelength-Tunable, Passively Mode-Locked Erbium-Doped Fiber Master-Oscillator Incorporating a Semiconductor Saturable Absorber Mirror

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