Scalable focused ion beam creation of nearly lifetime-limited single quantum emitters in diamond nanostructures

被引：168

作者：

Schroeder, Tim ^{[1
,4
]}

Trusheim, Matthew E. ^{[1
]}

Walsh, Michael ^{[1
]}

Li, Luozhou ^{[1
]}

Zheng, Jiabao ^{[1
,5
]}

Schukraft, Marco ^{[1
]}

Sipahigil, Alp ^{[2
]}

Evans, Ruffin E. ^{[2
]}

Sukachev, Denis D. ^{[2
,6
,7
]}

Nguyen, Christian T. ^{[2
]}

Pacheco, Jose L. ^{[3
]}

Camacho, Ryan M. ^{[3
]}

Bielejec, Edward S. ^{[3
]}

Lukin, Mikhail D. ^{[2
]}

Englund, Dirk ^{[1
]}

机构：

[1] MIT, Dept Elect Engn & Comp Sci, Cambridge, MA 02139 USA

[2] Harvard Univ, Dept Phys, 17 Oxford St, Cambridge, MA 02138 USA

[3] Sandia Natl Labs, POB 5800, Albuquerque, NM 87185 USA

[4] Univ Copenhagen, Niels Bohr Inst, Copenhagen, Denmark

[5] Columbia Univ, New York, NY 10027 USA

[6] Russian Quantum Ctr, Moscow 143025, Russia

[7] PN Lebedev Phys Inst, Moscow 143025, Russia

来源：

NATURE COMMUNICATIONS | 2017年 / 8卷

基金：

美国国家科学基金会;

关键词：

NITROGEN-VACANCY CENTERS; COLOR-CENTERS; PHOTON EMISSION; SOLID-STATE; IMPLANTATION; GENERATION; SPINS; DOTS; NANOPHOTONICS; BRIGHT;

D O I：

10.1038/ncomms15376

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

The controlled creation of defect centre-nanocavity systems is one of the outstanding challenges for efficiently interfacing spin quantum memories with photons for photon-based entanglement operations in a quantum network. Here we demonstrate direct, maskless creation of atom-like single silicon vacancy (SiV) centres in diamond nanostructures via focused ion beam implantation with similar to 32 nm lateral precision and <50 nm positioning accuracy relative to a nanocavity. We determine the Si+ ion to SiV centre conversion yield to be similar to 2.5% and observe a 10-fold conversion yield increase by additional electron irradiation. Low-temperature spectroscopy reveals inhomogeneously broadened ensemble emission linewidths of similar to 51 GHz and close to lifetime-limited single-emitter transition linewidths down to 126 +/- 13 MHz corresponding to similar to 1.4 times the natural linewidth. This method for the targeted generation of nearly transform-limited quantum emitters should facilitate the development of scalable solid-state quantum information processors.

引用

页码：1 / 7

页数：7

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