Diamond integrated quantum photonics

Greentree, Andrew D.; Fairchild, Barbara A.; Hossain, Faruque M.; Prawer, S.

doi:10.1016/s1369-7021(08)70176-7

Cited by 126 publications

(117 citation statements)

References 77 publications

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“…For all these schemes it is important to selectively enhance the zero phonon line (ZPL) emission and suppress emission into phonon side-bands and non-radiative decay channels. Micro-cavities based on photonic crystal (PhC) structures provide both very small mode volumes for strong emitter-cavity coupling and scalable architectures for integrated photonic networks [12]. In recent years, the design of high-Q diamond based PhC cavities has been studied theoretically, yielding Q-factors in the range of 10 4 -10 6 for twodimensional point defect cavities [13,14,15] and heterostructure cavities [16,17] as well as one-dimensional waveguide cavities [18].…”

mentioning

confidence: 99%

One- and two-dimensional photonic crystal microcavities in single crystal diamond

Riedrich‐Möller¹,

Kipfstuhl²,

Hepp³

et al. 2011

Nature Nanotech

242

223

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The development of solid-state photonic quantum technologies is of great interest for fundamental studies of light-matter interactions and quantum information science. Diamond has turned out to be an attractive material for integrated quantum information processing due to the extraordinary properties of its colour centres enabling e.g. bright single photon emission and spin quantum bits. To control emitted photons and to interconnect distant quantum bits, micro-cavities directly fabricated in the diamond material are desired. However, the production of photonic devices in high-quality diamond has been a challenge so far. Here we present a method to fabricate one-and two-dimensional photonic crystal micro-cavities in single-crystal diamond, yielding quality factors up to 700. Using a post-processing etching technique, we tune the cavity modes into resonance with the zero phonon line of an ensemble of silicon-vacancy centres and measure an intensity enhancement by a factor of 2.8. The controlled coupling to small mode volume photonic crystal cavities paves the way to larger scale photonic quantum devices based on single-crystal diamond.A number of seminal experiments have demonstrated the prospects of colour centres in diamond, in particular the negatively charged nitrogen-vacancy centre

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mentioning

confidence: 99%

One- and two-dimensional photonic crystal microcavities in single crystal diamond

Riedrich‐Möller¹,

Kipfstuhl²,

Hepp³

et al. 2011

Nature Nanotech

242

223

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“…Although it is most famous for its aesthetics, incredible hardness, thermal conductivity and strength, it also has useful optical properties 1 . It is well known that the crystal lattice of diamond can feature an intrinsic point defect, in which two carbon atoms are replaced by a nitrogen atom and a lattice vacancy.…”

Section: Editorialmentioning

confidence: 99%

Carbon optimism

2010

Nature Photon

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“…semiconductor quantum dots in photonic crystal cavities [17] and circuit-QED [18]. PBG structures in diamond are also developed to exploit the vast resource of optically active color centers for such applications [19].…”

Section: Introductionmentioning

confidence: 99%

High-speed quantum gates with cavity quantum electrodynamics

Greentree

Munro

et al. 2008

Phys. Rev. A

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Cavity quantum electrodynamic schemes for quantum gates are amongst the earliest quantum computing proposals. Despite continued progress and the recent demonstration of photon blockade, there are still issues with optimal coupling and gate operation involving high-quality cavities. Here we show that dynamic cavity control allows for scalable cavity-QED based quantum gates using the full cavity bandwidth. This technique allows an order of magnitude increase in operating speed, and two orders reduction in cavity Q, over passive systems. Our method exploits Stark shift based Q switching, and is ideally suited to solid-state integrated optical approaches to quantum computing.

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Diamond integrated quantum photonics

Cited by 126 publications

References 77 publications

One- and two-dimensional photonic crystal microcavities in single crystal diamond

One- and two-dimensional photonic crystal microcavities in single crystal diamond

Carbon optimism

High-speed quantum gates with cavity quantum electrodynamics

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