Mode-locked lasers articles within Nature Communications

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  • Article
    | Open Access

    Here the authors demonstrate a laser system that can directly output soliton microcombs, with high power efficiency and reconfigurability, paving the way for communication, computing, and metrology based on integrated photonics.

    • Jingwei Ling
    • , Zhengdong Gao
    •  & Qiang Lin

  • Article
    | Open Access

    Here the authors demonstrate a universal approach to achieve turnkey dissipative Kerr soliton (DKS) frequency comb. Phase insensitivity, self-healing capability, deterministic selection of DKS state, and access to ultralow noise are all successfully accomplished.

    • Mingming Nie
    • , Jonathan Musgrave
    •  & Shu-Wei Huang

  • Article
    | Open Access

    Pulses of adjustable duration are generated by a mode-locked random fibre laser that can drive advances in sensing. Rayleigh backscattering from cm-long sections of telecom fibre provides laser feedback and spectral selectivity to the Fourier limit.

    • Jean Pierre von der Weid
    • , Marlon M. Correia
    •  & Walter Margulis

  • Article
    | Open Access

    The authors present a moving-parts-free approach for visualizing soliton motion in optical cavities that lifts the wavelength and speed constraints of contemporary pulsed laser diagnostic techniques.

    • Łukasz A. Sterczewski
    •  & Jarosław Sotor

  • Article
    | Open Access

    Fractal optical solitons were studied in theory while it is cumbersome their experimental realization in optics setups. Here, the authors find that breathing solitons in lasers constitute fractals―the devil’s staircases, which are around 3000 times more stable than classical ones.

    • Xiuqi Wu
    • , Ying Zhang
    •  & Heping Zeng

  • Article
    | Open Access

    Achieving high output powers in dual-comb sources is important for possible applications like deep UV high resolution spectroscopy. Here the authors demonstrate a fully passive scheme of generating a set of high-power dual-combs from a thin-disc gain medium.

    • Kilian Fritsch
    • , Tobias Hofer
    •  & Oleg Pronin

  • Article
    | Open Access

    Due to three-dimensional, stochastic and non-repeatable transitions of dissipative solitons, it is challenging to monitor their full dynamics. Here, the authors resolve the dynamics by wavelength and along two spatial dimensions with up to trillions of frames per second using compressed ultrafast photography.

    • Joseph C. Jing
    • , Xiaoming Wei
    •  & Lihong V. Wang

  • Article
    | Open Access

    Modelocked lasers are typically modeled using the Haus master equation which, albeit powerful, provides only a limited description in certain parameter regimes. The authors introduce another master equation formalism to describe laser modelocking that accounts for coherent effects and overcomes these limitations.

    • Auro M. Perego
    • , Bruno Garbin
    •  & Germán J. de Valcárcel

  • Article
    | Open Access

    Mathematical approaches for simultaneous characterisation of localized and extended fields in optical signals are not well developed. Here, the authors demonstrate the application of the Nonlinear Fourier transform approach based on the Zakharov-Shabat spectral problem for the analysis of fibre laser radiation.

    • Srikanth Sugavanam
    • , Morteza Kamalian Kopae
    •  & Sergei K. Turitsyn

  • Article
    | Open Access

    Here, the authors demonstrate full stabilization and control of the two key parameters of a four-wavemixing-based quantum cascade laser comb with metrological precision. These fully-controlled, frequency scalable comb emitters will allow an increasing number of mid- and far-IR applications.

    • Luigi Consolino
    • , Malik Nafa
    •  & Saverio Bartalini

  • Article
    | Open Access

    It has recently been shown that optical solitons can form stably bound states, so-called soliton molecules. Here, Wang et al. demonstrate stable soliton molecule complexes and explore the different bonds represented by the inter- and intra-molecular coupling.

    • Z. Q. Wang
    • , K. Nithyanandan
    •  & Ph. Grelu

  • Article
    | Open Access

    Ultrafast lasers with multi-gigahertz repetition rates are desirable for applications requiring high sampling rates or resolvable frequency comb lines. Here, Mayer et al. use cascading of quadratic nonlinearities to passively modelock a femtosecond solid-state laser at a repetition rate of 10 GHz.

    • A. S. Mayer
    • , C. R. Phillips
    •  & U. Keller

  • Article
    | Open Access

    Frequency combs are useful tools in high precision measurement including atomic transitions and atomic clocks. Here the authors demonstrate direct frequency comb spectroscopy to shorter wavelengths by probing a transition frequency in a trapped Mg+ ion using a single mode of a UV frequency comb.

    • Akira Ozawa
    • , Josue Davila-Rodriguez
    •  & Thomas Udem

  • Article
    | Open Access

    Mid-infrared pulsed sources are technologically important for sensing and spectroscopy but their implementation is challenging due to the lack of a tuneable optical switch. Here, the authors address this limitation by engineering the band structure of an emerging Dirac semimetal, Cd3As2.

    • Chunhui Zhu
    • , Fengqiu Wang
    •  & Shining Zhu

  • Article
    | Open Access

    Compact, integrated mode-locked lasers can produce ultrashort pulses of light in the visible and near infrared, but are more difficult to achieve in the mid-infrared. Here, the authors demonstrate active mode locking of an external-cavity quantum cascade laser emitting at 5.2 micrometres at room temperature.

    • D. G. Revin
    • , M. Hemingway
    •  & A. Belyanin

  • Article
    | Open Access

    An optical frequency comb demodulated on a photodiode can generate a radio frequency signal with high spectral purity at a frequency corresponding to the comb spacing. Here, Liang et al.demonstrate a frequency-comb-based radio frequency photonic oscillator characterized with low phase noise and high frequency stability.

    • W. Liang
    • , D. Eliyahu
    •  & L. Maleki

  • Article
    | Open Access

    The interplay of processes with different spatio-temporal scales is present in many physical systems but its study is challenging. Here, Churkin et al. study the dynamics of a partially mode-locked laser where stochastic and periodic processes interplay by mapping the evolution of the intensity autocorrelation function.

    • D. V. Churkin
    • , S. Sugavanam
    •  & S. K. Turitsyn

  • Article |

    Ultrafast lasers are important in many fields of science, but they typically have high power consumption. Here Eigenwillig et al.realize picosecond laser pulses directly from a semiconductor-based laser. Due to the low repetition rate, high-energy pulses are generated at low average power.

    • Christoph M. Eigenwillig
    • , Wolfgang Wieser
    •  & Robert Huber

  • Article
    | Open Access

    Stable, ultrahigh repetition rate optical clocks are critical for applications in high-speed communications, metrology and microchip computing. Pecciantiet al.present a mode-locked laser based on an integrated microcavity, with repetition rate exceeding 200 GHz and narrow linewidth pulses.

    • M. Peccianti
    • , A. Pasquazi
    •  & R. Morandotti

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