Coherent interaction of orthogonal polarization modes in a photonic crystal nanofiber cavity

Keloth, Jameesh; Nayak, K. P.; Wang, Jie; Morinaga, Makoto; Hakuta, K.

doi:10.1364/oe.27.001453

Cited by 5 publications

(5 citation statements)

References 29 publications

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“…Mode coupling of orthogonal modes can occur in a birefringent medium and this effect can increase in a cavity configuration [60]. Mode coupling in an ONF cavity due to asymmetrical mirrors has been discussed previously [56] and experimental evidence of mode coupling due to intrinsic birefringence in a SM-ONF cavity has already been reported [57]. In our experiments, non-orthogonal combinations of SOPs were observed, as seen in Figs.…”

Section: Cavity With a Single-mode Optical Nanofibersupporting

confidence: 75%

“…The total field in the fiber at any point is the sum of the propagating modes with a corresponding phase shift. The addition of FBG mirrors to the fiber induces an additional birefringence [56,57], which can be incorporated in a single birefringence matrix. Note, this model does not include cavity boundary conditions since we only aim to simulate the spatial profiles of the fiber modes.…”

Section: Simulationsmentioning

confidence: 99%

“…Due to the increasing complexities of modal interference in few-mode fibers, filtering for the desired set of HOMs, and selectively exciting them to generate and manipulate polarization singularities, are necessary. Realizing a fiber cavity containing an ONF should enable both spatial and frequency filtering for selective excitation of HOMs, as well as enhancement of the resonant mode coupling effect [56,57].…”

Section: Introductionmentioning

confidence: 99%

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Manipulation of polarization topology using a Fabry-Pérot fiber cavity with a higher-order mode optical nanofiber

Maeda¹,

Keloth²,

Chormaic³

2023

Preprint

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Optical nanofiber cavity research has mainly focused on the fundamental mode. Here, a Fabry-Pérot fiber cavity with an optical nanofiber supporting the higher-order modes, TE 01 , TM 01 , HE 𝑜 21 , and HE 𝑒 21 , is demonstrated. Using cavity spectroscopy, with mode imaging and analysis, we observe cavity resonances that exhibit complex, inhomogeneous states of polarization with topological features containing Stokes singularities such as C-points, Poincaré vortices, and L-lines. In situ tuning of the intracavity birefringence enables the desired profile and polarization of the cavity mode to be obtained. These findings open new research possibilities for cold atom manipulation and multimode cavity quantum electrodynamics using the evanescent fields of higher-order mode optical nanofibers.

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Section: Cavity With a Single-mode Optical Nanofibersupporting

confidence: 75%

Section: Simulationsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Manipulation of polarization topology using a Fabry-Pérot fiber cavity with a higher-order mode optical nanofiber

Maeda¹,

Keloth²,

Chormaic³

2023

Preprint

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“…Here, one can see the resonance wavelength shows a redshift with the increase in L. From this study, we have taken L = 2.175 µm because a sharp resonant peak appears in the center of the stopband. Other than the L = 2.175 µm, the resonance shows a narrow mode resonance, resulting in asymmetric line shapes resembling Fano-type line shapes [30].…”

Section: Design and Optical Characteristics Of Onfbgmentioning

confidence: 99%

Optimization of nanofiber gratings for efficient single-photon collection

Sahu

Nayak

Jha

2022

J. Opt.

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We report on a simulation of a nanophotonic cavity constructed by designing periodic holes on an optical nanofiber to realize light-matter interaction. The cavity is designed using finite-difference time-domain simulations to maximize the coupling of spontaneous emission from a quantum emitter into fiber-guided modes. We systematically analyze the dependence of spontaneous emission on the quantum emitter position, polarization, and the grating strength (number of periods). We show that coupling efficiencies as high as 87% and 83% can be realized for a dipole emitter placed at the center of the nanofiber with polarization perpendicular (x-pol) and parallel (y-pol) to the hole-axis, respectively. This system may attract various quantum photonic applications based on single-photon sources.

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“…Moreover, microcavities based on PhC structures can also provide very small mode volumes beneficial for strong emitter‐cavity coupling as well as scalable architectures for integrated photonic networks [ 148 ] Based on this principle, the emission of the color center can be coupled with the photonic crystal cavity (PCC) to enhance the emission of ZPL. [ 149,150 ] There are two kinds of schemes on the coupling between the color centers and the PCCs. The first is the hybrid systems in which color centers in diamond nanocrystals or bulk diamond are coupled to the evanescent fi The first is the hybrid systemdiamond materials.…”

Section: Tailoring Of Luminescence Spectrum By Optical Structurementioning

confidence: 99%

Tailoring of Typical Color Centers in Diamond for Photonics

et al. 2020

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On the demand of single‐photon entangled light sources and high‐sensitivity probes in the fields of quantum information processing, weak magnetic field detection and biosensing, the nitrogen vacancy (NV) color center is very attractive and has been deeply and intensively studied, due to its convenience of spin initialization, operation, and optical readout combined with long coherence time in the ambient environment. Although the application prospect is promising, there are still some problems to be solved before fully exerting its characteristic performance, including enhancement of emission of NV centers in certain charge state (NV− or NV0), obtaining indistinguishable photons, and improving of collecting efficiency for the photons. Herein, the research progress in these issues is reviewed and commented on to help researchers grasp the current trends. In addition, the development of emerging color centers, such as germanium vacancy defects, and rare‐earth dopants, with great potential for various applications, are also briefly surveyed.

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Coherent interaction of orthogonal polarization modes in a photonic crystal nanofiber cavity

Cited by 5 publications

References 29 publications

Manipulation of polarization topology using a Fabry-Pérot fiber cavity with a higher-order mode optical nanofiber

Manipulation of polarization topology using a Fabry-Pérot fiber cavity with a higher-order mode optical nanofiber

Optimization of nanofiber gratings for efficient single-photon collection

Tailoring of Typical Color Centers in Diamond for Photonics

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