Supercontinuum generation in a multiple-submicron-core microstructure fiber: toward limiting waveguide enhancement of nonlinear-optical processes

Akimov, D. A.; Schmitt, Michael; Maksimenka, Raman; Дукельский, К. В.; Kondrat'ev, Yu. N.; Khokhlov, A. V.; Shevandin, V. S.; Kiefer, W.; Желтиков, А. М.

doi:10.1007/s00340-003-1200-0

Cited by 43 publications

(13 citation statements)

References 36 publications

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“…1(b). The results are qualitatively similar to the previously reported behavior of the average core intensity [13,14] and effective area [15,16]. The plot shows a distinct peak corresponding to the optimal core diameter for nonlinear interactions.…”

Section: Analytical Investigationsupporting

confidence: 90%

Optimal waveguide dimensions for nonlinear interactions

2004

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We investigate strong light confinement in high core-cladding index contrast waveguides with dimensions comparable to and smaller than the wavelength of incident light. We consider oval and rectangular cross sections and demonstrate that an optimal core size exists that maximizes the effective nonlinearity. We also determine that waveguides with asymmetrical cross sections provide the maximum possible nonlinearity, although only a small improvement over the symmetric case. Furthermore, we find that for a specified waveguide shape the largest nonlinearity occurs for nearly the same core area in all cases. Calculations of the dispersion for the optimal-size waveguide at a particular wavelength indicate that the group-velocity dispersion is normal. Ultimately, such designs could be used to develop low-power all-optical devices and to produce waveguides for ultra-low threshold nonlinear frequency generation such as supercontinuum generation.

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Section: Analytical Investigationsupporting

confidence: 90%

Optimal waveguide dimensions for nonlinear interactions

2004

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“…Advanced PCF technologies [23] allow PCFs with submicron core diameters to be fabricated without loss in functionality [24]. The core−cladding refractive-index steps close to that of the silica−air interface have been achieved for such PCF structures [25,26], maximizing their numerical aperture. On the other hand, NV centers in diamond nanocrystals with their spins manipulated by properly optimized electron-spin-resonance pulse sequences have been shown to enable room-temperature magnetometry with a sensitivity at the fT Hz −1∕2 level [1][2][3].…”

mentioning

confidence: 99%

High-resolution magnetic field imaging with a nitrogen-vacancy diamond sensor integrated with a photonic-crystal fiber

et al. 2016

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We demonstrate high-resolution magnetic field imaging with a scanning fiber-optic probe which couples nitrogen-vacancy (NV) centers in diamond to a high-numerical-aperture photonic-crystal fiber integrated with a two-wire microwave transmission line. Magnetic resonance excitation of NV centers driven by the microwave field is read out through optical interrogation through the photonic-crystal fiber to enable high-speed, high-sensitivity magnetic field imaging with sub 30 μm spatial resolution.

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“…The cross-section view of MS fibers employed to demonstrate efficient antiStokes frequency conversion [22,61] is shown in Fig. 2b.…”

Section: Efficient Anti-stokes Generation Through Phase-matched Four-mentioning

confidence: 99%

Microstructure-fiber frequency converters

Желтиков

2004

Laser Phys. Lett.

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Microstructure fibers with multiple micron and submicron fused silica waveguide channels are shown to be ideally suited for highly efficient anti-Stokes frequency conversion. These fibers are capable of generating ultrashort pulses of frequency-tunable radiation with controlled chirp, allowing the creation of new sources of tunable radiation for applications in spectroscopy, photochemistry, optical metrology, photobiology, and biomedicine.

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Supercontinuum generation in a multiple-submicron-core microstructure fiber: toward limiting waveguide enhancement of nonlinear-optical processes

Cited by 43 publications

References 36 publications

Optimal waveguide dimensions for nonlinear interactions

Optimal waveguide dimensions for nonlinear interactions

High-resolution magnetic field imaging with a nitrogen-vacancy diamond sensor integrated with a photonic-crystal fiber

Microstructure-fiber frequency converters

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