Phase locking
Phase-locking and delay-induced instabilities in a dual- frequency fiber laser
... In conclusion, we have demonstrated that a stabilization loop based on frequency-shifted optical feedback is effective in order to lock a DFFL on an external local oscillator, thus achieving a high-spectral purity ...
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Perfect and robust phase-locking of a spin transfer vortex nano-oscillator to an external microwave source
... the phase-locked regime (down to 1 Hz, limited by the resolution bandwidth of the spectrum analyzer) in comparison to the free running regime (140 ...perfect phase-locking holds for frequency ...
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Applications of optical parametric downconversion : I. Self-phase locking, [and] II. Generation of entangled photon pairs in periodically-poled lithium niobate
... Since we are covering self-phase locking phenomenon under type-II phase matching, we will assume a crystal that is phase matched for orthogonal signal and idler po[r] ...
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Frequency Selection and Phase Locking during Aeroelastic Galloping
... This is an author-deposited version published in : http://oatao.univ-toulouse.fr/ Eprints ID : 19650 To cite this version : Leontini, Justin S. and Zhao, Jisheng and Jayatunga, Hewawasam Gamage Kasun Gayantha and Lo ...
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Phase locking of dual-polarization DFB fiber lasers through pump-power modulation
... M. Guionie, 1 M. Brunel, 1 A. Carré, 1 G. Loas, 1 L. Frein, 1 F. Bondu, 1 E. Pinsard, 2 B. Cadier, 2 M. Alouini, 1 M. Romanelli, 1 and M.Vallet 1 1 Institut FOTON, Université de Rennes 1–CNRS, Rennes 2 iXblue Photonics, ...
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Frequency Selection and Phase Locking during Aeroelastic Galloping
... The value of these coefficients are determined by fitting a polynomial to data of the lift force as a function of angle of attack (which is proportional to the transverse velocity) from [r] ...
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Phase-locking modes in a bidimensional network of coupled water jets
... For a hexagonal network, the second neighbours of a given reference jet define a triangular sublattice: using again the same argument as before (Ibr the second neigh- bo[r] ...
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Optoelectronic cross-injection locking of a dual-wavelength photonic integrated circuit for low-phase-noise millimeter-wave generation
... the phase locking of a monolithically integrated photonic mmW source has been successfully demonstrated using a high order optoelectronic cross injection ...the phase noise level below −90 dBc/Hz for ...
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The treatment of the locking phenomenon for a general class of variational inequalities
... Fig. 9. Convergence test for the three methods. L ∞ () error vs. h. The P 1 method with an unstructured mesh locks already for = 10 −2 . [24 ]. We used an Uzawa algorithm to solve the nonlinear problem. The linear ...
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Injection locking of a semiconductor laser to a multi-frequency reference beam
... injection locking occurs only if the free running slave laser is close to the injected ...injection locking is ...injection locking is not ...
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1.3μm single-mode VCSEL-by-VCSEL optical injection-locking for enhanced microwave performance
... optical injection-locking. I. I NTRODUCTION Since their arrival a decade ago, the utilization of long wave- length VCSELs has been intensively investigated as reliable last-leg optical sources for short-haul ...
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A PUF based on transient effect ring oscillator and insensitive to locking phenomenon
... Recent characterization of PUF architectures showed that RO-PUF was the best candidate for FPGA and ASIC implementation [1, 2]. Indeed, RO-PUF has very good statistical properties (output bias, intra- uniqueness and ...
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A simple mode-locking technique for large-aperture TEA CO2 lasers
... https://doi.org/10.1063/1.89312 Access and use of this website and the material on it are subject to the Terms and Conditions set forth at A simple mode-locking technique for large-aperture TEA CO2 lasers Alcock, ...
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A Locking-Free Approximation of Curved Rods by Straight Beam Elements
... Locking for the Timoshenko beam model was extensively studied in [1], where the shear term was identified as the source of the difficulty and was treated by mixed methods or equivalent r[r] ...
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Characterization and Locking of Optical Mini-Resonators for Microwave Sources Stabilization
... which remains below around 10 14 (f in Hz). Finally, the technologies for high spectral purity microwave sources are reaching their limits when the goal is to get simultaneously high performance in term of phase ...
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Automatic CEP locking and optimization for a Ti:Sa femtosecond oscillator
... piezo voltage that corresponds to a frequency of 20 MHz is shown by the black dotted line. and the quick loop can lock the CEP. To avoid the usual hysteresis problem of piezo actuators, the voltage is always returned to ...
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Can we Contain Covid-19 without Locking-down the Economy?
... 1 Introduction One could consider three models for handling the spread of Covid-19. 1. Risk-based selective Quarantine: Divide the population into two groups, low-risk and high-risk. Quarantine the high-risk and ...
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Ultra-narrow linewidth quantum dot coherent comb lasers with self-injection feedback locking
... The phase noise spectra clearly indicate that by using this SIFL system we can significantly reduce the phase noise in the high frequency range above 2 kHz, while the low frequency (< 2kHz) phase ...
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A physically stabilized and locking-free formulation of the (SHB8PS) solid-shell element
... 4. Discussion and conclusions A new formulation of the solid-shell element SHB8PS has been performed and implemented into the implicit, nonlinear finite element code Stanlax-INCA. This new version has been evaluated, ...
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Passive mode locking of a Tm,Ho:KY(WO4)2 laser around 2 um
... variations in pulse durations or spectral widths were observed for different values of the net cavity disper- sion. In this context, relatively long pulse durations would be attributed to the nonoptimized parameters of ...
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