From nobody Tue Jun 19 14:40:26 2018 Return-Path: X-Original-To: qirg@ietfa.amsl.com Delivered-To: qirg@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id AA090130F2C for ; Tue, 19 Jun 2018 14:40:23 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.899 X-Spam-Level: X-Spam-Status: No, score=-1.899 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id kQmjVdWnHqRH for ; Tue, 19 Jun 2018 14:40:21 -0700 (PDT) Received: from mail.sfc.wide.ad.jp (shonan.sfc.wide.ad.jp [203.178.142.130]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 382D3130E63 for ; Tue, 19 Jun 2018 14:40:17 -0700 (PDT) Received: from vanmetedneysmbp.fletsphone (25.148.13.160.dy.iij4u.or.jp [160.13.148.25]) by mail.sfc.wide.ad.jp (Postfix) with ESMTPSA id 74B802783E4; Wed, 20 Jun 2018 06:40:16 +0900 (JST) From: Rodney Van Meter Content-Type: multipart/alternative; boundary="Apple-Mail=_EA9ABDE4-F1D9-4F10-AAFF-3EF0F208757D" Date: Wed, 20 Jun 2018 06:40:17 +0900 Message-Id: Cc: Rodney Van Meter To: qirg@irtf.org Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2104\)) X-Mailer: Apple Mail (2.2104) Archived-At: Subject: [Qirg] on-demand entanglement X-BeenThere: qirg@irtf.org X-Mailman-Version: 2.1.26 Precedence: list List-Id: "Quantum Internet \(proposed\) RG" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 19 Jun 2018 21:40:24 -0000 --Apple-Mail=_EA9ABDE4-F1D9-4F10-AAFF-3EF0F208757D Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=utf-8 I=E2=80=99ve been meaning to write up a longer post on this, but = haven=E2=80=99t had time this week, so rather than let it slip by, = I=E2=80=99ll just post the link and try to answer any questions that = come up. TU Delft has improved their protocols (=3D=3D low-level physical = procedures) for producing entanglement between two nitrogen vacancy = centers in two diamonds held some distance apart. And ETH Zurich has = shown entanglement over 90cm of coax, between two superconducting = qubits, which is a big deal since it can improve the scalability of = superconducting systems, even if it=E2=80=99s not directly an approach = for wide-area networking. https://www.nature.com/articles/d41586-018-05336-1 = (I do think =E2=80=9Con demand=E2=80=9D is a bit of hyperbole, but the = results are strong.) =E2=80=94Rod --Apple-Mail=_EA9ABDE4-F1D9-4F10-AAFF-3EF0F208757D Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=utf-8 I=E2=80=99ve been meaning to write up a longer post on this, = but haven=E2=80=99t had time this week, so rather than let it slip by, = I=E2=80=99ll just post the link and try to answer any questions that = come up.

TU Delft = has improved their protocols (=3D=3D low-level physical procedures) for = producing entanglement between two nitrogen vacancy centers in two = diamonds held some distance apart.  And ETH Zurich has shown = entanglement over 90cm of coax, between two superconducting qubits, = which is a big deal since it can improve the scalability of = superconducting systems, even if it=E2=80=99s not directly an approach = for wide-area networking.

https://www.nature.com/articles/d41586-018-05336-1

(I do think =E2=80=9Con = demand=E2=80=9D is a bit of hyperbole, but the results are = strong.)

=E2=80=94Rod

= --Apple-Mail=_EA9ABDE4-F1D9-4F10-AAFF-3EF0F208757D--