Generation of Optical Frequency Comb via Giant Optomechanical Oscillation

Hu, Yong; Ding, Shulin; Qin, Yiqiang; Gu, Jiahui; Wan, Wenjie; Xiao, Min; Jiang, Xiaoshun

doi:10.1103/physrevlett.127.134301

Cited by 37 publications

(17 citation statements)

References 55 publications

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“…There is much experimental progress on excitation of frequency comb spectroscopy in a variety of systems based on different physical mechanisms, such as a second-order Kerr optical frequency comb in a microresonator [5,6], a broadband microwave (MW) frequency comb via the nonlinear pumped cavity in a superconductor resonator [7], and a MW frequency comb generated in a circuit QED device [8]. Other MW frequency comb generation methods include semiconductor lasers with harmonic frequency locking [9,10] and optomechanical effects [11]. Frequency comb spectroscopy with various systems and different bands such as the optical frequency band and the MW frequency band have distinct applications.…”

Section: Introductionmentioning

confidence: 99%

Rydberg Microwave-Frequency-Comb Spectrometer

Zhang

Liu

et al. 2022

Phys. Rev. Applied

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Developing frequency combs spectral technologies has potential applications and prospects in the wide fields of cosmology, meteorology, and microwave measurement. Here, we demonstrate a Rydberg microwave frequency comb spectrometer via multiple-microwave field dressing, providing precise microwave measurement. The Rydberg microwave frequency comb spectrum provides a realtime and absolute frequency measurement with a range of 125 MHz and gives the relative phase of a single-frequency microwave signal. The reported experiment helps real-time sensing of an unknown microwave signal in a wide range using Rydberg atoms, which are vital for Rydberg-atom-based microwave metrology.

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Section: Introductionmentioning

confidence: 99%

Rydberg Microwave-Frequency-Comb Spectrometer

Zhang

Liu

et al. 2022

Phys. Rev. Applied

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“…Optical frequency combs [1][2][3], as a revolutionary technology, have enabled widespread applications in precision spectroscopy [4,5], frequency metrology [6,7], communications [8], ranging [9,10], and optical clocks [11,12]. The past decade has witnessed the development of chip-scale frequency comb sources utilizing the Kerr nonlinearity in the high-quality-factor (high-Q) microresonators [13][14][15][16][17][18][19]. Realization of dissipative Kerr single soliton with high coherent mode-locked state and smooth spectral envelopes has further promoted the application value of microcombs, inspiring vast researches on near-infrared (near-IR) and mid-IR domains with different dielectric material platforms [20][21][22][23][24][25].…”

Section: Introductionmentioning

confidence: 99%

Stable soliton dual-microcomb generation via sideband thermal compensation for spectroscopy

et al. 2022

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Microcombs—generated by coherently pumping nonlinear microresonators—have emerged as a state-of-the-art scheme at the chip scale. Dual-comb spectroscopy (DCS) technology further takes advantage of the miniature system, and has been demonstrated as a powerful tool for real-time and broadband optical sampling of molecular spectra. Here, a novel soliton dual-microcomb generation method by rapid frequency sweep and sideband thermal compensation is put forward, and dual-microcomb optical spectra range beyond 200-nm has been successfully demonstrated in two microresonators with moderate quality factors. Compared to the dual-microcomb with a weak thermal compensation effect, the demonstrated dual-microcomb shows much lower-noise RF beat notes (<10 kHz) and smaller Allan deviations (1.0 × 10–4 at 1 ms) by increasing sideband power. Moreover, the dual-microcomb has been utilized in the gas absorption detection of H12CN for demonstration with high signal-to-noise ratios (SNRs) and fast acquisition rates. This work also lays a technical foundation for other dual-microcomb applications of ranging and microwave photonics.

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“…In this case, the repetition rate of the OFC is equal to the modulation frequency and independent of the microresonator size. In a recent paper 22 , the authors demonstrated a flat frequency comb spectrum with repetition rate as low as 50 MHz generated by optomechanical oscillations of a toroidal silica microresonator. The adiabatically slow modulation of the microresonator eigenfrequency depends on time as ν e ðtÞ ¼ ν e0 þ δν par cosð2πν par tÞ, where δν par is the amplitude of modulation.…”

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confidence: 99%

Optimized frequency comb spectrum of parametrically modulated bottle microresonators

2023

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Optical frequency combs generated by parametric modulation of optical microresonators are usually described by lumped-parameter models, which do not account for the spatial distribution of the modulation. This study highlights the importance of this spatial distribution in the Surface Nanoscale Axial Photonics (SNAP) platform, specifically for elongated SNAP bottle microresonators with a shallow nanometre-scale effective radius variation along its axial length. SNAP bottle microresonators have much smaller free spectral range and may have no dispersion compared to microresonators with other shapes (e.g., spherical and toroidal), making them ideal for generating optical frequency combs with lower repetition rates. By modulating parabolic SNAP bottle microresonators resonantly and adiabatically, we show that the flatness and bandwidth of the optical frequency comb spectra can be enhanced by optimizing the spatial distribution of the parametric modulation. The optimal spatial distribution can be achieved experimentally using piezoelectric, radiation pressure, and electro-optical excitation of a SNAP bottle microresonator.

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Generation of Optical Frequency Comb via Giant Optomechanical Oscillation

Cited by 37 publications

References 55 publications

Rydberg Microwave-Frequency-Comb Spectrometer

Rydberg Microwave-Frequency-Comb Spectrometer

Stable soliton dual-microcomb generation via sideband thermal compensation for spectroscopy

Optimized frequency comb spectrum of parametrically modulated bottle microresonators

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