Experimental Assessment of the Accuracy of an Advanced Photonic-Bandgap-Fiber Model

Aghaie, Kiarash Zamani; Digonnet, Michel J. F.; Fan, Shanhui

doi:10.1109/jlt.2013.2238608

Cited by 22 publications

(7 citation statements)

References 22 publications

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“…The fundamental guided optical modes of HC-PBF fiber were simulated using a 2D mode solver. The field profiles, effective mode index, and group velocity of the computed modes demonstrate good agreement with those computed in [34]. The modal energy densities for two orthogonally polarized modes of this system are shown in figures 7(b), (c).…”

Section: Simulationssupporting

confidence: 63%

“…Note that the accurate specification of the numerous geometrical parameters of the HC-PBF poses a significant challenge. Fortunately, this fiber (HC-1550-02) has been the subject of careful analysis for the purposes of accurate electric field calculations [34]; using the parameters of [34] and through additional discussions with these authors, we accurately specify the hollow-core fiber geometry seen in figure 7(a). The inner two rings of holes (green in figure 7(a)) were adapted directly from scanning electron microscope (SEM) data (or images) provided by the authors of [34].…”

Section: Simulationsmentioning

confidence: 99%

“…Fortunately, this fiber (HC-1550-02) has been the subject of careful analysis for the purposes of accurate electric field calculations [34]; using the parameters of [34] and through additional discussions with these authors, we accurately specify the hollow-core fiber geometry seen in figure 7(a). The inner two rings of holes (green in figure 7(a)) were adapted directly from scanning electron microscope (SEM) data (or images) provided by the authors of [34]. The remaining geometry (blue in figure 7(a)) is completely specified by three parameters measured in [34]: d from figure 7(f), the hole-to-hole spacing, and the fillet radius of the corners.…”

Section: Simulationsmentioning

confidence: 99%

“…The inner two rings of holes (green in figure 7(a)) were adapted directly from scanning electron microscope (SEM) data (or images) provided by the authors of [34]. The remaining geometry (blue in figure 7(a)) is completely specified by three parameters measured in [34]: d from figure 7(f), the hole-to-hole spacing, and the fillet radius of the corners.…”

Section: Simulationsmentioning

confidence: 99%

“…Simulations also reveal an incredible sensitivity to the critical dimensions of the HC-PBF cross-section. To elaborate on this point, we explore the effect of a plausible variation in the fiber inner diameter (d) within the standard deviation (σ) of the measured (from [34]) geometric parameters. Three simulations with simulated…”

Section: Simulationsmentioning

confidence: 99%

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Forward Brillouin scattering in hollow-core photonic bandgap fibers

et al. 2016

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We quantify the strength of stimulated forward Brillouin scattering in hollow-core photonic bandgap fiber through a combination of experiments and multi-physics simulations. Brillouin spectroscopy methods reveal a family of densely spaced Brillouin-active phonon modes below 100 MHz with coupling strengths that approach those of conventional silica fiber. The experimental results are corroborated by multi-physics simulations, revealing that relatively strong optomechanical coupling is mediated by a combination of electrostriction and radiation pressure within the nano-scale silica-air matrix; the nontrivial mechanical properties of this silica-air matrix facilitate the large optomechanical response produced by this system. Simulations also reveal an incredible sensitivity of the Brillouin spectrum to fiber critical dimensions, suggesting opportunity for enhancement or suppression of these interactions. Finally, we relate the measured and calculated couplings to the noise properties of the fiber as the foundation for phase-and polarization-noise estimates in hollow-core fiber. More generally, such Brillouin interactions are an important consideration in both the high and low optical intensity limits.

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Section: Simulationssupporting

confidence: 63%