Optical effects in carbon-ion irradiated diamond

Bhatia, K.L.; Fabian, Sven; Kalbitzer, S.; Klatt, Ch.; Krätschmer, Wolfgang; Stoll, R.; Sellschop, Jack-Piere-Friedel

doi:10.1016/s0040-6090(97)01196-6

Cited by 15 publications

(12 citation statements)

References 14 publications

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Section: Photonic Components In Diamondmentioning

confidence: 99%

“…Initial studies found an increase of refractive index n in the visible spectrum for C ion implantations in keV and MeV ranges at low fluences, but a decrease of n for higher fluences (above 10 16 cm −2 ). [75,76] More recently, several systematic studies highlighted a direct proportionality between the increase in the real and imaginary parts of n and the induced vacancy density ρ V , for proton implantations at MeV energies. [77][78][79] This holds true for other ion species and energies in the keV range, in the case of relatively small vacancy densities (10 21 /cm 3 ), for which the increase of the real part of n at λ = 637 nm is on the order of 1%.…”

Section: Ion Beam Fabrication Of Photonic Componentsmentioning

confidence: 99%

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Quantum Micro–Nano Devices Fabricated in Diamond by Femtosecond Laser and Ion Irradiation

et al. 2019

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Diamond has attracted great interest as a quantum technology platform thanks to its optically active nitrogen vacancy (NV) center. The NV's ground state spin can be read out optically, exhibiting long spin coherence times of ≈1 ms even at ambient temperatures. In addition, the energy levels of the NV are sensitive to external fields. These properties make NVs attractive as a scalable platform for efficient nanoscale resolution sensing based on electron spins and for quantum information systems. Diamond photonics enhance optical interactions with NVs, beneficial for both quantum sensing and information. Diamond is also compelling for microfluidic applications due to its outstanding biocompatibility, with sensing functionality provided by NVs. However, it remains a significant challenge to fabricate photonics, NVs, and microfluidics in diamond. In this Progress Report, an overview is provided of ion irradiation and femtosecond laser writing, two promising fabrication methods for diamond‐based quantum technological devices. The unique capabilities of both techniques are described, and the most important fabrication results of color center, optical waveguide, and microfluidics in diamond are reported, with an emphasis on integrated devices aiming toward high performance quantum sensors and quantum information systems of tomorrow.

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Section: Photonic Components In Diamondmentioning

confidence: 99%

Section: Ion Beam Fabrication Of Photonic Componentsmentioning

confidence: 99%

Quantum Micro–Nano Devices Fabricated in Diamond by Femtosecond Laser and Ion Irradiation

et al. 2019

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“…In particular, there is uncertainty in the literature about the role of ion species, especially light vs heavy ion damage, and fluence, in the modification of the optical and electrical properties of diamond. The variation of refractive index of single-crystal diamond as a function of induced structural defects has been investigated in a limited number of studies [4,5,[13][14][15][16]. Those reports are restricted by rather small ranges of photon energies, and ion fluences.…”

Section: Introductionmentioning

confidence: 99%

Tailoring the optical constants of diamond by ion implantation

Draganski¹,

Finkman²,

Gibson³

et al. 2012

Opt. Mater. Express

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We study the effect of 30 keV gallium ion implantation on the optical properties of diamond, as determined using spectroscopic ellipsometry. We find that the refractive index of the implanted layer can be either lower, or higher, than that of pristine diamond, depending on the implantation dose. This observation provides a new route to optical device fabrication in diamond using focused ion beam methods. In particular, in the low dose regime, lowering of the refractive index would allow for core-cladding type structures to be defined where the core has not interacted with the beam, and is hence undamaged by the implantation.

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“…The variation of refractive index of single-crystal diamond as a function of structural defect density has been investigated in a surprisingly limited number of works [13][14][15][16] and no systematic data have been reported on the variation of the refractive index in diamond in the low-damage-density regime. Our paper represents a systematic study of the variation of the real part of the refractive index of single diamond at λ = 632.8 nm as a function of MeV-ion-induced structural damage.…”

Section: Introductionmentioning

confidence: 99%

Evidence of Light Guiding in Ion-Implanted Diamond

Lagomarsino¹,

Olivero

Bosia

et al. 2010

Phys. Rev. Lett.

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A fine control of the variation of the refractive index as a function of structural damage is essential in the fabrication of diamond-based optical and photonic devices. We report here about the variation of the real part of the refractive index at λ = 632.8 nm in high-quality single-crystal diamond damaged with 2 and 3 MeV protons at low-medium fluences (10 13 -10 17 ions cm). After implanting the samples in 125 × 125 μm 2 areas with a raster scanning ion microbeam, the variation of optical thickness of the implanted regions was measured with laser interferometric microscopy. The results were analyzed with a model based on the specific damage profile. The technique allows the direct fabrication of optical structures in bulk diamond based on the localized variation of the refractive index, which will be explored in future works.

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Optical effects in carbon-ion irradiated diamond

Cited by 15 publications

References 14 publications

Quantum Micro–Nano Devices Fabricated in Diamond by Femtosecond Laser and Ion Irradiation

Quantum Micro–Nano Devices Fabricated in Diamond by Femtosecond Laser and Ion Irradiation

Tailoring the optical constants of diamond by ion implantation

Evidence of Light Guiding in Ion-Implanted Diamond

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