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

Petersen, Sten; Alkeskjold, Thomas Tanggaard; Olausson, Christina B.; Lægsgaard, Jesper

doi:10.1364/oe.23.005954

Cited by 23 publications

(5 citation statements)

References 21 publications

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“…Both co-and orthogonally polarized pump, signal and idler were used in the simulation for calculating the parametric gain. Intramodal birefringence assisted phase matching and intermodal phase matching were observed [46]. By controlling the polarization of the pump state between the principle axes of the LMA hybrid guiding PCF, the parametric gain of FWM can be switched on or off [47].…”

Section: A Backgroundmentioning

confidence: 94%

Review on Photonic Crystal Fibers With Hybrid Guiding Mechanisms

Shum³

2019

IEEE Access

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Photonic crystal fibers (PCFs) with hybrid guiding mechanisms have undergone substantial development in recent years. Due to the coexistence of index-guiding and photonic bandgap (PBG)-guiding mechanisms in this special class of PCFs, many peculiar properties have been investigated and demonstrated as advantageous and favorable in many applications. This review paper provides a comprehensive review of the recent progress of these hybrid guiding PCFs. The first part explains the principles of the hybrid guiding mechanisms in the PCF structures. The hybrid guiding PCFs are realized in three approaches, including polarization-dependent hybrid guiding PCFs, radial hybrid guiding PCFs, and two-core hybrid guiding PCFs. This is followed by a review of various development and applications for each type of hybrid guiding PCFs in the second part, including tunable filters, high power lasers, nonlinear optics, and polarization optics and sensing applications. Finally, the considerations and challenges on the potential applications of the hybrid guiding PCFs are discussed. INDEX TERMS Hybrid guiding PCFs, photonic crystal fibers (PCFs), polarization-dependent hybrid guiding PCFs, radial hybrid guiding PCFs, two-core hybrid guiding PCFs.

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Section: A Backgroundmentioning

confidence: 94%

Review on Photonic Crystal Fibers With Hybrid Guiding Mechanisms

Shum³

2019

IEEE Access

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“…Since then, nonlinear fiber optics, particularly the FWM effect, have been of great interest for various applications, from telecommunication to medical imaging. While many studies have been performed in this realm [2][3][4][5], many issues remain to be addressed for efficient EPP generation and its practical utilization.…”

Section: Introductionmentioning

confidence: 99%

Optimized entangled photon pair generation via intermodal four-wave mixing in a telecommunication-length few-mode fiber

Montazeri,

Esmaeelpour

2024

Quantum Computing, Communication, and Simulation IV

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We report our recent progress in generating and verifying entangled photon pairs in a telecommunication-length few-mode fiber using spontaneous four-wave mixing in a non-degenerate pump configuration. We demonstrate through seeding the desired four-wave mixing effect for pair production in the presence of a strong mode-coupling when using integrated mode multiplexers known as photonic lanterns. The mode content and phase-matching requirements were validated through computations and experiments. We discuss the challenges and requirements for phase matching and photon visibility without modifying the fiber structure. This work represents our first steps toward an efficient tunable source of entangled photons for space division multiplexing applications.

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“…If the pump's wavelength is close to the zero-dispersion wavelength, the phase-matching condition will determine the spectral separation of both waves generated in a nonlinear process. The first experimental reports date back to the 1970s [1], and since then, this method has been increasingly used for the nonlinear conversion of beam frequencies, particularly for single- [2][3][4] and multimode fiber systems [5][6][7][8][9], and also in photonic crystal fibers [10][11][12][13].…”

Section: Introductionmentioning

confidence: 99%

Intermodal Four-Wave Mixing Process in Strain-Induced Birefringent Multimode Optical Fibers

Kwaśny

Mergo

Napierała³

et al. 2022

Materials

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Our study investigated the partially degenerate intermodal four-wave mixing (IM-FWM) process in nonlinear multimode optical fibers with strain-induced birefringence. The difference in the refractive index along the two orthogonal directions was due to the photoelastic effect that occurred when the fiber under test (FUT) was subjected to uniformly applied diameter stress caused by winding on a cylinder of a given diameter. Our work analyzed how the nonlinear frequency conversion and the output modal field profiles depended on the degree of birefringence in FUT. The experimental results significantly affected the order of the excited moduli in fiber sections characterized by different amounts of birefringence. We also checked the efficiency of the FWM process for different polarizations of the pump beam to determine those for which the FWM process was most effective for the 532 nm sub-nanosecond pulses. More than 30% conversion efficiency was obtained for the FUTs with a length of tens of centimeters.

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

Cited by 23 publications

References 21 publications

Review on Photonic Crystal Fibers With Hybrid Guiding Mechanisms

Review on Photonic Crystal Fibers With Hybrid Guiding Mechanisms

Optimized entangled photon pair generation via intermodal four-wave mixing in a telecommunication-length few-mode fiber

Intermodal Four-Wave Mixing Process in Strain-Induced Birefringent Multimode Optical Fibers

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