دورية أكاديمية
أعرض في EDS

Large-scale integration of artificial atoms in hybrid photonic circuits.

التفاصيل البيبلوغرافية
العنوان: Large-scale integration of artificial atoms in hybrid photonic circuits.
المؤلفون: Wan NH; Research Laboratory of Electronics, MIT, Cambridge, MA, USA. noelwan@mit.edu., Lu TJ; Research Laboratory of Electronics, MIT, Cambridge, MA, USA. tsungjul@mit.edu., Chen KC; Research Laboratory of Electronics, MIT, Cambridge, MA, USA., Walsh MP; Research Laboratory of Electronics, MIT, Cambridge, MA, USA., Trusheim ME; Research Laboratory of Electronics, MIT, Cambridge, MA, USA., De Santis L; Research Laboratory of Electronics, MIT, Cambridge, MA, USA., Bersin EA; Research Laboratory of Electronics, MIT, Cambridge, MA, USA., Harris IB; Research Laboratory of Electronics, MIT, Cambridge, MA, USA., Mouradian SL; Research Laboratory of Electronics, MIT, Cambridge, MA, USA.; University of California Berkeley, Berkeley, CA, USA., Christen IR; Research Laboratory of Electronics, MIT, Cambridge, MA, USA., Bielejec ES; Sandia National Laboratories, Albuquerque, NM, USA., Englund D; Research Laboratory of Electronics, MIT, Cambridge, MA, USA. englund@mit.edu.
المصدر: Nature [Nature] 2020 Jul; Vol. 583 (7815), pp. 226-231. Date of Electronic Publication: 2020 Jul 08.
نوع المنشور: Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, Non-P.H.S.
اللغة: English
بيانات الدورية: Publisher: Nature Publishing Group Country of Publication: England NLM ID: 0410462 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1476-4687 (Electronic) Linking ISSN: 00280836 NLM ISO Abbreviation: Nature Subsets: PubMed not MEDLINE; MEDLINE
أسماء مطبوعة: Publication: Basingstoke : Nature Publishing Group
Original Publication: London, Macmillan Journals ltd.
مستخلص: A central challenge in developing quantum computers and long-range quantum networks is the distribution of entanglement across many individually controllable qubits 1 . Colour centres in diamond have emerged as leading solid-state 'artificial atom' qubits 2,3 because they enable on-demand remote entanglement 4 , coherent control of over ten ancillae qubits with minute-long coherence times 5 and memory-enhanced quantum communication 6 . A critical next step is to integrate large numbers of artificial atoms with photonic architectures to enable large-scale quantum information processing systems. So far, these efforts have been stymied by qubit inhomogeneities, low device yield and complex device requirements. Here we introduce a process for the high-yield heterogeneous integration of 'quantum microchiplets'-diamond waveguide arrays containing highly coherent colour centres-on a photonic integrated circuit (PIC). We use this process to realize a 128-channel, defect-free array of germanium-vacancy and silicon-vacancy colour centres in an aluminium nitride PIC. Photoluminescence spectroscopy reveals long-term, stable and narrow average optical linewidths of 54 megahertz (146 megahertz) for germanium-vacancy (silicon-vacancy) emitters, close to the lifetime-limited linewidth of 32 megahertz (93 megahertz). We show that inhomogeneities of individual colour centre optical transitions can be compensated in situ by integrated tuning over 50 gigahertz without linewidth degradation. The ability to assemble large numbers of nearly indistinguishable and tunable artificial atoms into phase-stable PICs marks a key step towards multiplexed quantum repeaters 7,8 and general-purpose quantum processors 9-12 .
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تواريخ الأحداث: Date Created: 20200710 Date Completed: 20200716 Latest Revision: 20210326
رمز التحديث: 20221213
DOI: 10.1038/s41586-020-2441-3
PMID: 32641812
قاعدة البيانات: MEDLINE
الوصف
تدمد:1476-4687
DOI:10.1038/s41586-020-2441-3