130 mW average power, 46 nJ pulse energy, 102 ps pulse duration from an Er^3+ fiber oscillator passively mode locked by a resonant saturable absorber mirror

Cabasse, A.; Gaponov, Dmitry; Ndao, Khadime; Khadour, Aghiad; Oudar, Jean‐Louis; Martel, Gilles

doi:10.1364/ol.36.002620

Cited by 21 publications

(15 citation statements)

References 10 publications

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“…For the TI mode-locked oscillators, 170 fs, 0.21 nJ pulses were demonstrated [17] showing thus 5-fold pulse energy increase at similar pulse durations in comparison to the results reported previously for the anomalous dispersion regime [12]. Oscillators mode-locked with a semiconductor saturable absorber mirror (SESAM), another conventional technique [18][19][20] provided significantly longer, 528 fs pulses of 1.8 nJ energy [18], or 700 fs, 38 nJ [20]. This approach breaks an all-fiber concept and requires several intracavity bulk components.…”

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confidence: 63%

All-fiber highly chirped dissipative soliton generation in the telecom range

et al. 2017

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A high-energy (0.93 nJ) all-fiber Erbium femtosecond oscillator operating in the telecom spectral range is proposed and realized. The laser cavity built of commercially available fibers and components combines non-PM and PM parts providing stable generation of highly-chirped (chirp parameter 40) pulses compressed in an output piece of standard PM fiber to 165 fs. The results of numerical simulation agree well with experiment. The analyzed intracavity pulse dynamics enables the classification of the generated pulses as dissipative solitons. © http://dx.doi.org/10.1364/ao.XX.XXXXXX Recent progress in the development of high-power femtosecond fiber lasers operating around 1 µm, based on the highlychirped dissipative solitons (HCDS) generated in all-normal dispersion (ANDi) laser cavities [1][2][3] paved the way for the transfer and expansion of this technology into other spectral regions. The first natural candidate would be the telecom window (∼1.5 micron), where high power mode-locked fiber lasers have a wide range of practical applications, from CARS spectroscopy [4] to few-cycle pulse synthesis [5], terahertz-wave generation [6], frequency metrology [7,8] and, of course, telecommunications [9]. The advantage of this spectral interval is the availability of various low cost telecom components that might make such lasers commercially attractive.For the most of practical applications, long-term stability and reliability as well as output power, pulse duration and output beam quality are five important laser characteristics. From this point of view, all-fiber lasers have advantages due to their compactness, relative simplicity of the schemes, high efficiency and perfect beam quality. There is though one quite important weakness -a polarization state that is undefined in standard single-mode fibers (SMFs) leading to uncontrollable variation with the changing environment, especially in a long enough fiber cavity. Polarization maintaining (PM) fibers are widely used to mitigate this problem. As a result, 150 fs, 25 pJ pulses were demonstrated recently in an all-fiber all-PM Erbium laser with graphene saturable absorber (GSA) operated in the anomalous net dispersion regime [10]. Slightly higher energy (44 pJ) for 174 fs pulses was demonstrated previously in non-PM cavity with GSA [11]. Another type of saturable absorber, topological insulator (TI) was also successfully demonstrated in an all-fiber configuration resulting in 130-fs 45-pJ pulses [12].Further energy up-scaling became possible by realizing the HCDS in the normal net dispersion regime, one of the most advanced ways to generate high-energy femtosecond pulses in mode-locked oscillators demonstrated so far, see review [13]. We have studied the HCDS regime earlier [14], showing an essential result used in the current publication, namely that the numerical simulations and analytical solution in the high chirp limit ( f 1) agree well at f > 10. The HCDS regime was experimentally demonstrated for the first time in Ytterbium [15] and Erbium fiber oscillators [16...

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confidence: 63%

All-fiber highly chirped dissipative soliton generation in the telecom range

et al. 2017

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“…Thus, it is possible to generate DSs in our dispersion-managed cavity, and DSs are finally generated when the net dispersion is increased to 0.12 ps 2 by decreasing the length of fibers with anomalous dispersion in the cavity. Note that this value of net dispersion is in the range of DS generation, as reported by many other experiments [13,[24][25][26][27][28]. A filter is usually employed in a DS laser to offer an additional amplitude modulation to generate DSs.…”

Section: Experimental Setup and Principlesupporting

confidence: 61%

“…A filter is usually employed in a DS laser to offer an additional amplitude modulation to generate DSs. In our DS laser, the filter is formed by the narrow gain bandwidth of the EDF [13,[24][25][26][27][28]. In the laser, mode locking is initiated by nonlinear polarization rotation, which relies on intensity-dependent rotation of an elliptical polarization state in a length of optical fiber.…”

Section: Experimental Setup and Principlementioning

confidence: 99%

Chirped pulse amplified dissipative-soliton Erbium-doped fiber lasers

Peng¹,

Zhan

Luo

et al. 2014

Journal of Modern Optics

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An all-fiber amplification and compression system seed is demonstrated by using a chirped pulse oscillator at the telecommunication band. Dispersion management is applied successfully both in the oscillator and amplifier, allowing dissipative soliton (DS) generation and amplification. The oscillator generates 4-ps chirped pulses with 130 mW (4.55 nJ) average power. Benefiting from large chirp and the high energy of DSs from the oscillator, the amplification system can be simplified. The average power after amplification is increased to 324.2 mW, corresponding to a single pulse energy of 11.3 nJ. The minimum pulse duration is 190 fs after the single-mode fiber (SMF) is employed to compress the pulses. The repetition rate of pulses is 28.6 MHz.

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“…Thus, in case of Er-doped fibers, the deliverable output energy characteristics are two orders of magnitude lower. Up to date, the best value of pulse energy from Er-doped fiber ultrafast oscillators at 1.56 μm is approaching 10 nJ [3]. In turn, the output pulse peak power from ultrafast Erdoped fiber chirped pulse amplifiers (CPAs) reaches the MW level (within 600 fs pulse) [4] at 1.6 μm using bulky elements and with cladding pumping, or hundreds of kW (within 530 fs pulse) [5] using resonant corepumping.…”

mentioning

confidence: 99%

“…Compared to the stateof-the-art CPA schemes, we simplified the set-up by keeping only the main amplifier stage exploiting the benefit of the already chirped output pulse from CPO cavity [3,8]. Different regimes of amplification (linear and nonlinear) were investigated by varying the cavity configuration yielding record values in both linear and nonlinear amplification regimes.…”

mentioning

confidence: 99%

High power all-fibered femtosecond master oscillator power amplifier at 156 μm

Gaponov¹,

Kotov²,

Likhachev³

et al. 2012

Opt. Lett.

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Direct amplification of output from chirped pulse oscillator (CPO) to 3.3 W of average power (pulse energy of 118 nJ in 20 ps pulse duration before compression) was achieved in a properly designed cladding pumped large mode area Er-doped fiber. Various configurations of CPO cavity with different FWHM of output spectrum and pulse duration were investigated. Fourier limit compression with 480 fs pulse duration and 32 kW peak power has been obtained for pulses with 14.8 nm FWHM spectrum. Subsequent nonlinear compression in a standard SMF-28 fiber yielded pulses as short as 145 fs.

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130 mW average power, 46 nJ pulse energy, 102 ps pulse duration from an Er^3+ fiber oscillator passively mode locked by a resonant saturable absorber mirror

Cited by 21 publications

References 10 publications

All-fiber highly chirped dissipative soliton generation in the telecom range

All-fiber highly chirped dissipative soliton generation in the telecom range

Chirped pulse amplified dissipative-soliton Erbium-doped fiber lasers

High power all-fibered femtosecond master oscillator power amplifier at 156 μm

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