A novel photonic crystal fibre design for dispersion compensation

Zsigri, Beata; Lægsgaard, Jesper; Bjarklev, Anders

doi:10.1088/1464-4258/6/7/010

Cited by 61 publications

(23 citation statements)

References 11 publications

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“…While there are reports of using other prism schemes [56][57][58] or the spectral dispersion of the AODs themselves for this purpose, 59 we judged the present design simplest and most robust. Other dispersion compensation techniques comprised of negatively dispersive mirrors 60 or photonic crystal fibers 61,62 could be fruitful. Furthermore, lightly modified, off-the-shelf Ti:S lasers with built-in pulse compression ͑for example, Spectra-Physics' Mai Tai DeepSee with up to −41700 fsec 2 at 690 nm, or Coherent's Chameleon Vision II with up to −47000 fsec 2 at 680 nm͒ might also make constructing an equivalent microscope even more straightforward.…”

Section: Discussionmentioning

confidence: 99%

Two-photon microscope for multisite microphotolysis of caged neurotransmitters in acute brain slices

2009

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Abstract. We developed a two-photon microscope optimized for physiologically manipulating single neurons through their postsynaptic receptors. The optical layout fulfills the stringent design criteria required for high-speed, high-resolution imaging in scattering brain tissue with minimal photodamage. We detail the practical compensation of spectral and temporal dispersion inherent in fast laser beam scanning with acousto-optic deflectors, as well as a set of biological protocols for visualizing nearly diffraction-limited structures and delivering physiological synaptic stimuli. The microscope clearly resolves dendritic spines and evokes electrophysiological transients in single neurons that are similar to endogenous responses. This system enables the study of multisynaptic integration and will assist our understanding of single neuron function and dendritic computation.

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Section: Discussionmentioning

confidence: 99%

Two-photon microscope for multisite microphotolysis of caged neurotransmitters in acute brain slices

2009

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“…One of the highest ever-published values of negative chromatic dispersion is reported by Yang et al [14]. The compensating PCF with doped core is proposed by Zsigri et al in [15], dispersion is −1350 ps·nm -1 ·km -1 . However, doped PCFs with small core (the diameter is only 3 μm) suffer from small mode field area -the core must be small to provide strong confinement of the propagated light.…”

Section: Negative Dispersion In Photonic Crystal Fibersmentioning

confidence: 95%

Dispersion Effects of Fiber Bending Performed on Microstructured Fiber

Lucki¹

2011

Acta Electrotechnica Et Informatica

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“…Reported [17] offers dispersion coefficient approximately -239.51 ps/(nm.km) with a birefringence of 1.67×10 -2 . In reported [18] reveals negative dispersion of -400 ps/(nm.km) at the operating wavelength of 1550 nm and they got the birefringence of 1.60×10 -2 .…”

Section: Dispersionmentioning

confidence: 97%

“…In many sensing applications birefringence is certainly a vital property of the fiber where a high birefringence is often important [15], [16]. In long distance fiber communication, dispersion needed to be compensated for suppress the broadening of pulse [16], [17]. Thus, to compensate the dispersion of the main fiber cable line we need a highly negative dispersion fiber with matched RDS [12].…”

Section: Introductionmentioning

confidence: 99%

Design of a Polarization Maintaining Large Negative Dispersion PCF Using Rectangular Lattice

Ali¹,

Ahmed²,

Islam³

et al. 2017

IJIEE

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Abstract-In this paper, we demonstrate a new & simple rectangular photonic crystal fiber (RPCF) for high negative dispersion covering the E to U communication band with ultra-high birefringence, large nonlinearity. According to the simulation results, the designed fiber shows negative dispersion coefficient of -776 to -1591 ps/(nm.km) over E to L communication bands with the relative dispersion slope (RDS) is perfectly matched to that of a single mode fiber. In addition, the proposed RPCF offers a high value of birefringence 2.97×10-2 and a large nonlinear coefficient of 44.5W-1km-1, both at the operating wavelength of 1550 nm. Moreover, the proposed RPCF achieved two zero-dispersion wavelengths in the visible and near IR regions for both of the x and y polarization modes.Index Terms-Photonic crystal fiber, negative dispersion, high birefringence, rectangular lattice.

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A novel photonic crystal fibre design for dispersion compensation

Cited by 61 publications

References 11 publications

Two-photon microscope for multisite microphotolysis of caged neurotransmitters in acute brain slices

Two-photon microscope for multisite microphotolysis of caged neurotransmitters in acute brain slices

Dispersion Effects of Fiber Bending Performed on Microstructured Fiber

Design of a Polarization Maintaining Large Negative Dispersion PCF Using Rectangular Lattice

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