Optical lattice trap for Kerr solitons

Taheri, Hossein; Matsko, Andrey B.; Maleki, Lute

doi:10.1140/epjd/e2017-80150-6

Cited by 77 publications

(83 citation statements)

References 53 publications

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“…3 (e), with the normalized amplitude of the modulation sideband below 0.07, the locking range rises monotonically with almost perfect linearity as the modulation strength increases. With stronger modulation the slope of the locking range scaling increases, which is attributed to the appearance of higher-order modulation sidebands that increase the gradient of the potential and trap the solitons more effectively [38][39][40][41]. For the same reason, we observe that the locking range increases by nearly a factor of 2 when we measure the locking range with f mod around 2 × f rep (∼ 28.18 GHz).…”

Section: Cw Lasermentioning

confidence: 65%

Spectral Purification of Microwave Signals with Disciplined Dissipative Kerr Solitons

et al. 2019

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Continuous-wave-driven Kerr nonlinear microresonators give rise to self-organization in terms of dissipative Kerr solitons, which constitute optical frequency combs that can be used to generate low-noise microwave signals. Here, by applying either amplitude or phase modulation to the driving laser we create an intracavity potential trap to discipline the repetition rate of the solitons. We demonstrate that this effect gives rise to a novel spectral purification mechanism of the external microwave signal frequency, leading to reduced phase noise of the output signal. We experimentally observe that the microwave signal generated from disciplined solitons is injection-locked by the external drive at long time scales, but exhibits an unexpected suppression of the fast timing jitter. Counter-intuitively, this filtering takes place for frequencies that are substantially lower than the cavity decay rate. As a result, while the long-time-scale stability of the Kerr frequency comb's repetition rate is improved by more than 4 orders of magnitude, the purified microwave signal shows a reduction of the phase noise by 30 dB at offset frequencies above 10 kHz.

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Section: Cw Lasermentioning

confidence: 65%

Spectral Purification of Microwave Signals with Disciplined Dissipative Kerr Solitons

et al. 2019

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“…16. This center of mass is always at zero for a steadystate CW-pumped comb even in the presence of higher-order dispersion [230]. As a result, DW emission is accompanied by 'soliton recoil' (Fig.…”

Section: Dispersive Wave Emission and Soliton Recoilmentioning

confidence: 99%

Emerging material systems for integrated optical Kerr frequency combs

et al. 2020

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The experimental realization of a Kerr frequency comb represented the convergence of research in materials, physics, and engineering, and this symbiotic relationship continues to underpin efforts in comb innovation today. While the initial focus developing cavity-based frequency combs relied on existing microresonator architectures and classic optical materials, in recent years, this trend has been disrupted. This paper reviews the latest achievements in frequency comb generation using resonant cavities, placing them within the broader historical context of the field. After presenting well-established material systems and device designs, the emerging materials and device architectures are examined. Specifically, the unconventional material systems as well as atypical device designs that have enabled tailored dispersion profiles and improved comb performance are compared to the current state of art. The remaining challenges and future outlook for the field of cavity-based frequency combs is evaluated.

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“…Their optical spectra are characterized by a set of strongly enhanced comb lines spaced apart by multiple free spectral ranges (FSR) resulting from the regular arrangement of DKS pulses in the cavity. The formation of such structures was shown to be linked to the presence of avoided modal crossings (AMX) [36], which through the spectrally-localized alterations of the microresonator dispersion changes the optical spectrum of a DKS state and induces a modulation on the CW intracavity background, leading to the ordering of DKS pulses in a crystal-like structure [36][37][38].…”

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confidence: 99%

Dynamics of soliton crystals in optical microresonators

Karpov

Guo

Pfeiffer

et al. 2017

Conference on Lasers and Electro-Optics

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Dissipative Kerr solitons in optical microresonators provide a unifying framework for nonlinear optical physics with photonic-integrated technologies and have recently been employed in a wide range of applications from coherent communications to astrophysical spectrometer calibration. Dissipative Kerr solitons can form a rich variety of stable states, ranging from breathers to multiplesoliton formations, among which, the recently discovered soliton crystals stand out. They represent temporally-ordered ensembles of soliton pulses, which can be regularly arranged by a modulation of the continuous-wave intracavity driving field. To date, however, the dynamics of soliton crystals remains mainly unexplored. Moreover, the vast majority of the reported crystals contained defects -missing or shifted pulses, breaking the symmetry of these states, and no procedure to avoid such defects was suggested. Here we explore the dynamical properties of soliton crystals and discover that often-neglected chaotic operating regimes of the driven optical microresonator are the key to their understanding. In contrast to prior work, we prove the viability of deterministic generation of perfect soliton crystal states, which correspond to a stable, defect-free lattice of optical pulses inside the cavity. We discover the existence of a critical pump power, below which the stochastic process of soliton excitation suddenly becomes deterministic enabling faultless, device-independent access to perfect soliton crystals. Furthermore, we demonstrate the switching of soliton crystal states and prove that it is also tightly linked to the pump power and is only possible in the regime of transient chaos. Finally, we report a number of other dynamical phenomena experimentally observed in soliton crystals including the formation of breathers, transitions between soliton crystals, their melting, and recrystallization. arXiv:1903.07122v2 [physics.optics]

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Optical lattice trap for Kerr solitons

Cited by 77 publications

References 53 publications

Spectral Purification of Microwave Signals with Disciplined Dissipative Kerr Solitons

Spectral Purification of Microwave Signals with Disciplined Dissipative Kerr Solitons

Emerging material systems for integrated optical Kerr frequency combs

Dynamics of soliton crystals in optical microresonators

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