1  GHz repetition rate femtosecond Yb:fiber laser for direct generation of carrier-envelope offset frequency

Li, Chen; Ma, Yuxuan; Gao, Xiang; Niu, Fuzeng; Jiang, Tianyun; Wang, Aimin; Zhang, Zhigang

doi:10.1364/ao.54.008350

Cited by 67 publications

(23 citation statements)

References 14 publications

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“…The next key component is the WDM-collimator as we have used in the NPE mode locked fiber laser [8]. For achieving enough gain, both ends of the fiber are capped with WDM-collimators for pump.…”

Section: Experiments Configurationmentioning

confidence: 99%

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Robust 700 MHz mode-locked Yb:fiber laser with a biased nonlinear amplifying loop mirror

et al. 2018

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We demonstrate a self-starting 700 MHz repetition rate Yb:fiber laser incorporated with a phase biased nonlinear amplifying loop mirror as an artificial saturable absorber. The laser delivers a maximum power of 150 mW and a pulse width of 215 fs at a pump power of 710 mW. The integration of relative intensity noise (RIN) between 10 Hz and 10 MHz results in a minimum integrated RIN of 0.015%. The phase noise of the fundamental repetition rate was also characterized at different net-cavity dispersion. Although the laser is made of nonpolarization maintaining fiber, the mode locking sustains over two weeks in open air, showing its environmental stability.

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Section: Experiments Configurationmentioning

confidence: 99%

“…However, nonlinear polarization evolution (NPE) based GHz fiber laser is somewhat sensitive to the environment variations such as temperature, pressure and vibrations [8]. Once the mode locking stops, the realignment and restarting may not recover the previous pulse status, which limits their suitability for industrial applications.…”

Section: Introductionmentioning

confidence: 99%

Robust 700 MHz mode-locked Yb:fiber laser with a biased nonlinear amplifying loop mirror

et al. 2018

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“…First, we chose the home-made high repetition rate (~837 MHz) mode locked Yb:fiber laser [13] as the seed laser to guarantee high side-mode suppression rate, good power scalability, reproducibility, and compactness at the same time. Although 1 GHz or higher frep is preferred, we sacrificed a bit frep for a better spectrum broadening and more dynamic range of LD current.…”

Section: The Seed Combmentioning

confidence: 99%

Visible astro-comb filtered by a passively stabilized Fabry-Perot cavity

Meng

Liu

et al. 2019

Review of Scientific Instruments

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We demonstrate a compact 29.3 GHz visible astro-comb covering the spectrum from 560nm to 700nm. A 837 MHz Yb:fiber laser frequency comb phase locked to a Rb clock served as the seed comb to ensure the frequency stability and high side mode suppression ratio. After the visible super-continuum generation, a cavity-length-fixed Fabry-Perot cavity made by ultra-low expansion glass was utilized to filter the comb teeth for eliminating the rapid active dithering. The mirrors were home-made complementary chirped mirrors pair with zero dispersion and high reflection to guarantee no mode skipping. These filtered comb teeth were clearly resolved in an astronomical spectrograph of 49,000 resolution, exhibiting sharp linetype, zero noise floor, and uniform exposure amplitude.

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“…3, N is set to (M+1) so that all M factors can be continuously swept from 13 (1.02 GHz) to 128 (10.04 GHz) by tuning the slave oscillator end mirror by a 14-cmlong translation stage. Among them, measured RF spectra for four representative cases, (M,N)= (13,14), (27,28), (51,52) and (102,103), are shown in Fig. 4a.…”

Section: Mεmentioning

confidence: 99%

“…Generation of high (e.g., multi GHz and higher) repetition-rate optical pulse trains directly from mode-locked oscillators is often challenging. Fundamental modelocking at GHz repetition-rate requires high pumping power and short cavity length [11][12][13] and is generally more susceptible to Q-switched mode-locking 14 . To raise the repetition-rate beyond fundamental repetition-rate, harmonic mode-locking has been used for multiple pulse circulation in the cavity.…”

mentioning

confidence: 99%

Highly tunable repetition-rate multiplication of mode-locked lasers using all-fibre harmonic injection locking

Jeon¹,

Zhang²,

Shin³

et al. 2018

Sci Rep

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Higher repetition-rate optical pulse trains have been desired for various applications such as high-bit-rate optical communication, photonic analogue-to-digital conversion, and multi-photon imaging. Generation of multi GHz and higher repetition-rate optical pulse trains directly from mode-locked oscillators is often challenging. As an alternative, harmonic injection locking can be applied for extra-cavity repetition-rate multiplication (RRM). Here we have investigated the operation conditions and achievable performances of all-fibre, highly tunable harmonic injection locking-based pulse RRM. We show that, with slight tuning of slave laser length, highly tunable RRM is possible from a multiplication factor of 2 to >100. The resulting maximum SMSR is 41 dB when multiplied by a factor of two. We further characterize the noise properties of the multiplied signal in terms of phase noise and relative intensity noise. The resulting absolute rms timing jitter of the multiplied signal is in the range of 20 fs to 60 fs (10 kHz–1MHz) for different multiplication factors. With its high tunability, simple and robust all-fibre implementation, and low excess noise, the demonstrated RRM system may find diverse applications in microwave photonics, optical communications, photonic analogue-to-digital conversion, and clock distribution networks.

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1 GHz repetition rate femtosecond Yb:fiber laser for direct generation of carrier-envelope offset frequency

Cited by 67 publications

References 14 publications

Robust 700 MHz mode-locked Yb:fiber laser with a biased nonlinear amplifying loop mirror

Robust 700 MHz mode-locked Yb:fiber laser with a biased nonlinear amplifying loop mirror

Visible astro-comb filtered by a passively stabilized Fabry-Perot cavity

Highly tunable repetition-rate multiplication of mode-locked lasers using all-fibre harmonic injection locking

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