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74 results

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Page 1
Reaching fiber-laser coherence in integrated photonics.
Li B, Jin W, Wu L, Chang L, Wang H, Shen B, Yuan Z, Feshali A, Paniccia M, Vahala KJ, Bowers JE. Li B, et al. Opt Lett. 2021 Oct 15;46(20):5201-5204. doi: 10.1364/OL.439720. Opt Lett. 2021. PMID: 34653151
The hybrid integrated laser reaches a frequency noise floor of 0.006Hz(2)/Hz at 4 MHz offset, corresponding to a Lorentzian linewidth below 40 mHz-a record among semiconductor lasers. ...Such performance, realized in a system comprised entirely of integrated photonic chips …
The hybrid integrated laser reaches a frequency noise floor of 0.006Hz(2)/Hz at 4 MHz offset, corresponding to a Lorentzian linewidth …
Benefits of Spectral Property Engineering in Distributed Brillouin Fiber Sensing.
Feng C, Schneider T. Feng C, et al. Sensors (Basel). 2021 Mar 8;21(5):1881. doi: 10.3390/s21051881. Sensors (Basel). 2021. PMID: 33800206 Free PMC article. Review.
As one of the most consolidated distributed fiber sensors based on stimulated Brillouin scattering, the Brillouin optical time-domain analyzer (BOTDA) has been developed for decades. ...Such a spectral property engineering has not only provided improvements to BOTDA, but a …
As one of the most consolidated distributed fiber sensors based on stimulated Brillouin scattering, the Brillouin optical time-domain …
Comparison of Different Linewidth Measuring Methods for Narrow Linewidth Laser.
Zheng Z, Luo Q, Wang X, Ma X, Zhang W, Fang W, Chen X, Huang S, Zhou Y, Gao W. Zheng Z, et al. Sensors (Basel). 2022 Dec 23;23(1):122. doi: 10.3390/s23010122. Sensors (Basel). 2022. PMID: 36616720 Free PMC article.
The selection of the linewidth measuring method should meet the following conclusions: an approximately Lorentzian self-heterodyne spectrum without the pedestal and high-intensity sinusoidal jitter is a prerequisite for DSHI; the SCELD needs a suitable length of delay f …
The selection of the linewidth measuring method should meet the following conclusions: an approximately Lorentzian self-heterodyne sp …
Effective linewidth compression of a single-longitudinal-mode fiber laser with randomly distributed high scattering centers in the fiber induced by femtosecond laser pulses.
Feng T, Su J, Wei D, Li D, Li C, Yan F, Steve Yao X. Feng T, et al. Opt Express. 2023 Jan 30;31(3):4238-4252. doi: 10.1364/OE.482083. Opt Express. 2023. PMID: 36785397 Free article.
Femtosecond lasers can be used to create many functional devices in silica optical fibers with high designability. In this work, a femtosecond laser-induced high scattering fiber (HSF) with randomly distributed high scattering centers is used to effectively compress …
Femtosecond lasers can be used to create many functional devices in silica optical fibers with high designability. In this work, a fe …
The point-spread function of fiber-coupled area detectors.
Holton JM, Nielsen C, Frankel KA. Holton JM, et al. J Synchrotron Radiat. 2012 Nov;19(Pt 6):1006-11. doi: 10.1107/S0909049512035571. Epub 2012 Sep 5. J Synchrotron Radiat. 2012. PMID: 23093762 Free PMC article.
The point-spread function (PSF) of a fiber-optic taper-coupled CCD area detector was measured over five decades of intensity using a 20 m X-ray beam and ~2000-fold averaging. ...Further analysis revealed that the tails are dominated by the fiber-optic taper, with ne …
The point-spread function (PSF) of a fiber-optic taper-coupled CCD area detector was measured over five decades of intensity using a …
Dual-frequency laser comprising a single fiber ring cavity for self-injection locking of DFB laser diode and Brillouin lasing.
Spirin VV, Bueno Escobedo JL, Korobko DA, Mégret P, Fotiadi AA. Spirin VV, et al. Opt Express. 2020 Dec 7;28(25):37322-37333. doi: 10.1364/OE.406040. Opt Express. 2020. PMID: 33379569 Free article.
Importantly, continuous operation of two mutually locked frequencies is provided by self-injection locking, while the active feedback loop is used just to support this regime. The fiber configuration reduces the natural Lorentzian linewidth of light emitted by the l …
Importantly, continuous operation of two mutually locked frequencies is provided by self-injection locking, while the active feedback loop i …
Physical interpretation of intercore crosstalk in multicore fiber: effects of macrobend, structure fluctuation, and microbend: comment.
Koshiba M. Koshiba M. Opt Express. 2023 Jul 3;31(14):23212-23213. doi: 10.1364/OE.493025. Opt Express. 2023. PMID: 37475411 Free article.
To estimate the intercore crosstalk in uncoupled multicore fibers with cores' propagation constants perturbed by bending, twist, and structure fluctuations, in the paper [Opt. Express21, 5401 (2013)10.1364/OE.21.005401] entitled "Physical interpretation of intercore crosst …
To estimate the intercore crosstalk in uncoupled multicore fibers with cores' propagation constants perturbed by bending, twist, and …
Temperature-Compensated Solution Concentration Measurements Using Photonic Crystal Fiber-Tip Sensors.
Cano-Velázquez MS, Hendriks AL, Picelli L, van Veldhoven RPJ, Fiore A. Cano-Velázquez MS, et al. Sensors (Basel). 2023 Sep 6;23(18):7703. doi: 10.3390/s23187703. Sensors (Basel). 2023. PMID: 37765760 Free PMC article.
We demonstrate fiber optic sensors with temperature compensation for the accurate measurement of ethanol concentration in aqueous solutions. ...The probes utilize an optimized PhC design providing a Lorentzian-like, polarization-independent response, enabling a very …
We demonstrate fiber optic sensors with temperature compensation for the accurate measurement of ethanol concentration in aqueous sol …
Essentials of resonance-enhanced soliton-based supercontinuum generation.
Qi X, Schaarschmidt K, Chemnitz M, Schmidt MA. Qi X, et al. Opt Express. 2020 Jan 20;28(2):2557-2571. doi: 10.1364/OE.382158. Opt Express. 2020. PMID: 32121942 Free article.
Here we reveal the nonlinear dynamics of soliton-based supercontinuum generation in case the waveguide includes a strongly dispersive resonance. Assuming a gas-filled hollow core fiber that includes a Lorentzian-type dispersion term, effects such as multi-color disp …
Here we reveal the nonlinear dynamics of soliton-based supercontinuum generation in case the waveguide includes a strongly dispersive resona …
Narrow laser linewidth measurement with the optimal demodulated Lorentzian spectrum.
Wu L, Ji Z, Ma W, Su D, Zhao Y, Xiao L, Jia S. Wu L, et al. Appl Opt. 2024 Mar 1;63(7):1847-1853. doi: 10.1364/AO.510265. Appl Opt. 2024. PMID: 38437289
A method called the optimal demodulated Lorentzian spectrum is employed to precisely quantify the narrowness of a laser's linewidth. ...By creating a plot of the coefficient of determination for the demodulated Lorentzian spectrum fitting in relation to the estimate …
A method called the optimal demodulated Lorentzian spectrum is employed to precisely quantify the narrowness of a laser's linewidth. …
74 results