Broadband parametric wavelength conversion at 1  μm with large mode area fibers

Steinvurzel, P.; Demas, Jeff; Tai, Boyin; Chen, Y.; Lu, Yan; Ramachandran, Siddharth

doi:10.1364/ol.39.000743

Cited by 32 publications

(15 citation statements)

References 16 publications

(27 reference statements)

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“…The increased mode spacing suggests significantly less mode coupling, with the mode spacing increasing with the mode order it allows for scaling the fiber to very large effective areas [8]. Recent applications employing the LP 0X -modes in LMA fibers include a chirped pulse amplification scheme [4], and high power four wave mixing conducted at 1 μm [9]. We demonstrate break up of the azimuthal symmetry in LP 0X -modes, which affects polarization, overlap integrals, mode conversion efficiencies, and free space properties.…”

Section: Introductionmentioning

confidence: 99%

Break up of the azimuthal symmetry of higher order fiber modes

Israelsen¹,

Rishøj²,

Rottwitt³

2014

Opt. Express

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Abstract:We investigate Bessel-like modes guided in a double cladding fiber where the outer cladding is an aircladding. For very high order LP 0X -modes, the azimuthal symmetry is broken and the mode is no longer linearly polarized. This is observed experimentally and confirmed numerically. The effect is investigated numerically using a full vectorial modesolver and is observed to be dependent on the fiber design. The effect on the diffraction free propagation distance of the modes is investigated using a fast Fourier transform propagation routine and compared to the properties of an ideal circularly symmetric mode. The free space properties of modes suffering from break up of azimuthal symmetry are also investigated experimentally by measuring the free space propagation of a LP 016 -mode excited in the double cladding fiber. (2012), p. CTu3M.6. 3. E. Li, X. Wang, and C. Zhang, "Fiber-optic temperature sensor based on interference of selective higher-order modes," Appl. Phys. Lett. 89(9), 091119 (2006).

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Section: Introductionmentioning

confidence: 99%

Break up of the azimuthal symmetry of higher order fiber modes

Israelsen¹,

Rishøj²,

Rottwitt³

2014

Opt. Express

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“…This method can also be applied to achieve control of the phase matching in LMA fibers, which was recently demonstrated [10]. Intermodal FWM has been known for many years [11,12], and it has also been proposed for phase matching in LMA fibers [13]. In multimode fibers each mode has distinct dispersion properties, and phase matching can be achieved by choosing the modes with appropriate dispersion in the FWM process.…”

Section: Introductionmentioning

confidence: 99%

Intermodal and cross-polarization four-wave mixing in large-core hybrid photonic crystal fibers

Petersen¹,

Alkeskjold²,

Olausson³

et al. 2015

Opt. Express

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Abstract:Degenerate four-wave mixing is considered in large mode area hybrid photonic crystal fibers, combining photonic bandgap guidance and index guidance. Co-and orthogonally polarized pump, signal and idler fields are considered numerically by calculating the parametric gain and experimentally by spontaneous degenerate four-wave mixing. Intermodal and birefringence assisted intramodal phase matching is observed. Good agreement between calculations and experimental observations is obtained. Intermodal four-wave mixing is achieved experimentally with a conversion efficiency of 17 %.

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“…One approach is to use silica fibers as nonlinear media, and convert high peak power pulses of frequencies easily accessible with rareearth-doped fibers to frequencies less accessible. Several examples of using four-wave mixing for such conversion has already been considered [1][2][3][4].…”

Section: Introductionmentioning

confidence: 99%