Phononic frequency comb
WebNov 1, 2024 · Phononic frequency combs can be generated through contact mechanisms , mutual synchronization of resonators [56, 94] or internal resonance . Internal resonance is defined in nonlinear vibration theory as an existing commensurate frequency relationship, which, in turn, gives rise to important coupling and energy exchange between the … WebJan 20, 2024 · Optical frequency combs have resulted in significant advances in optical frequency metrology and found wide applications in precise physical measurements and molecular fingerprinting. A direct analogue of frequency combs in the phononic or acoustic domain has not been reported to date.
Phononic frequency comb
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WebMay 22, 2024 · An optical frequency comb (OFC) is a spectrum consisting of a series of discrete, equally spaced elements with a well-defined phase relationship between them. The foundations of this breakthrough technology were laid in the works led by the co-recipients of the 2005 Nobel Prize in Physics John Hall and Theodor Hänsch. WebSimulated, Designed, and operated a Comb Drive for characterization of in-plane Young’s moduli of nano films. ... Fabricated ultra-high frequency Phononic Crystals using Focused Ion Beam (FIB ...
WebJul 8, 2024 · Phononic frequency combs have been attracting an increasing attention both as a qualitatively new type of nonlinear phenomena in vibrational systems and from the point of view of applications. It is commonly believed that at least two modes must be involved in generating a comb. WebMay 24, 2024 · When the resonator is pumped with a single tone at a frequency close to the sum of the two mechanical modes, phononic frequency combs are generated close to each mechanical mode, under certain and repeatable pump frequency and power conditions. The phononic combs consist of a set of equally-distanced phase-coherent spectral lines; we ...
WebSep 16, 2024 · Abstract: Phononic frequency combs are mechanical response features evidenced as a series of equispaced discrete spectral lines. These features have been … WebNov 18, 2024 · Frequency combs are typically produced using light, but they can also be generated using mechanical vibrations, such that each spectral line corresponds to a different vibrational frequency. Unlike optical combs, these so-called phononic combs can be tuned in situ.
WebOct 29, 2024 · Sonic/phononic crystals named acoustic/sonic band gap media are the elastic analogues of photonic crystals and have received renewed attention recently in many acoustic applications. ... K.-J.; Hopkinson, M.; Jin, C.-Y. Photonic Crystal Cavity-Based Intensity Modulation for Integrated Optical Frequency Comb Generation. Crystals 2024, 9, …
WebDec 1, 2024 · The phononic counterparts of the optical frequency comb, that is, mechanical frequency combs, have been theoretically proposed using Fermi–Pasta–Ulam–Tsingou chains, and later... flo easyWebNov 5, 2024 · ABSTRACT. The mechanical analog of optical frequency combs, phononic frequency combs, has recently been demonstrated in mechanical resonators and has been attributed to coupling between multiple phonon modes. This paper investigates the influence of the mode structure on comb generation using a model of two nonlinearly coupled … greatland outdoors canopy instructionsWebMay 22, 2024 · An optical frequency comb (OFC) is a spectrum consisting of a series of discrete, equally spaced elements with a well-defined phase relationship between them. The foundations of this breakthrough technology were laid in the works led by the co-recipients of the 2005 Nobel Prize in Physics John Hall and Theodor Hänsch. greatland office productsWebThe mechanical analog of optical frequency combs, phononic frequency combs, has recently been demonstrated in mechanical resonators and has been attributed to coupling between multiple phonon modes. This paper investigates the influence of the mode structure on comb generation using a model of two nonlinearly coupled phonon modes. greatland outdoors captains chairWebJan 17, 2024 · Optical frequency combs have resulted in significant advances in optical frequency metrology and found wide applications in precise physical measurements and … greatland outdoor center folding tableWebThe generation of phononic frequency combs in the mechanical resonator described in [7,9,10,13] and shown schematically in Fig. 1a involves two steps. First, mode 1, which is a length extensional vibration mode, excites mode 2, which is a flexural vibration mode, when increasing the drive amplitude ( above a floe bar lunchroomWebWe find a threshold of PFC generation at V drv = 550mV and Vg = -6.4V, with relatively wide comb teeth spacing around 2.44 to 2.65MHz. At V g = -7V, the comb teeth spacing is reduced to 0.63MHz, exhibiting strong tunability of PFC. Published in: 2024 IEEE 35th International Conference on Micro Electro Mechanical Systems Conference (MEMS) … greatland outdoor picnic table