September 2022 - Qse-grad-students

Invitation to lunch with seminar speaker Prof. Umesh Vazirani - Tuesday, Oct. 4

by Quaicoe, Ann

Good evening all, HQI would like to invite you all to a lunch next week Tuesday, October 4, with HQI Special Seminar guest speaker, Prof. Umesh Vazirani. The lunch will be from 12:30pm - 2pm, location TBD. Please RSVP by 12pm tomorrow afternoon if you would like to join the lunch - include any dietary restrictions. More information about the talk (which will happen on Monday) will be shared as soon as possible. Thank you, Ann ------------------ Ann Quaicoe Harvard Quantum Initiative Staff Assistant 33 Oxford Street Cambridge, MA 02138 Maxwell-Dworkin 111 P: (617) 496-2361 ------------------ Modified Office Hours: M-Th: 8:00AM - 6:00PM F: Offline

1 year, 7 months

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HQI Special Seminar - Prof. Umesh Vazirani

by Harvard Quantum Initiative

HQI Special Seminar - Prof. Umesh Vazirani (UC Berkeley) Monday, Oct. 3, 2022 4:15 PM - 6:00 PM, Science and Engineering Complex Room: LL2.229 Title: Theoretical Reflections on Quantum Supremacy Abstract: Google's 2019 experiment and their announcement of quantum supremacy relied on the inability of classical computers to efficiently carry out a task called random quantum circuit sampling (RCS). I will describe recent theoretical developments on the complexity of RCS. I will also describe a different line of work that provides scalable and rigorous proofs of quantumness based on an approach called the cryptographic leash, and the prospects of a concrete experimental challenge based on this approach.

1 year, 7 months

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TODAY: Jelena Vuckovic, Stanford University: EE Seminar: Sept 30 "Scalable semiconductor classical and quantum photonic systems"

by Harvard Quantum Initiative

Harvard John A. Paulson School of Engineering and Applied Sciences EE SEMINAR Friday, September 30 at 3:30pm "Scalable semiconductor classical and quantum photonic systems" Jelena Vuckovic, Jensen Huang Professor in Global Leadership in the School of Engineering and Professor of Electrical Engineering, Stanford University Location: SEC LL2.224 Abstract: Despite the great progress in photonics over the past few decades, we are nowhere near the level of integration and complexity in photonic systems that would be comparable to those of electronic circuits, which prevents the use of photonics in many applications. This lag in integration scale is largely a result of how we traditionally design photonics: by combining building blocks from a limited library of known designs and manually tuning a few parameters. Unfortunately, the resulting photonic circuits are very sensitive to errors in manufacturing and to environmental instabilities, bulky, and often inefficient. The departure from this old-fashioned approach can lead to optimal photonic designs that are much better than state of the art on many metrics (smaller, more efficient, more robust). Such a departure is enabled by development of inverse design approach which efficiently searches through all possible combinations of realistic parameters and geometries for photonics using a combination of fast electromagnetic solvers and optimization algorithms. The inverse design approach can also enable new functionalities for photonics, including compact particle accelerators on chip which are 10000 times smaller than traditional accelerators, chip-to-chip and on-chip optical interconnects with error free communication rates exceeding terabit per second, and scaling of quantum systems (beyond present modest scale demonstrations, such as 3 node quantum networks and two dozens of maximally entangled qubits). In particular, platforms based on color centers in wide band gap semiconductors such as diamond and silicon carbide would be suitable for implementing scalable quantum systems, based on excellent spin quantum memories with direct photonic interfaces, the possibility to perform high speed and high fidelity quantum gates on spin qubits, combined with expertise in scaling semiconductor circuits. However, there are outstanding challenges, including color centers integration into optical structures while preserving their coherence and homogeneity, their spectral and spatial control, and implementation of efficient connections between spin qubits. Novel computational techniques such as photonics inverse design, along with new nanofabrication approaches, play a crucial role in addressing these challenges. Bio: Jelena Vuckovic (PhD Caltech 2002) is the Jensen Huang Professor in Global Leadership in the School of Engineering, and Professor of Electrical Engineering and by courtesy of Applied Physics at Stanford, where she leads the Nanoscale and Quantum Photonics Lab. She is also the Fortinet Founders Chair of the Electrical Engineering Department at Stanford, and was the inaugural director of Q-FARM, the Stanford-SLAC Quantum Science and Engineering Initiative. Vuckovic has received many awards and honors including recently the Vannevar Bush Faculty Fellowship (2022), the Mildred Dresselhaus Lectureship from MIT (2021), the James Gordon Memorial Speakership from the OSA (2020), the IET A. F. Harvey Engineering Research Prize (2019), Distinguished Scholarship of the Max Planck Institute for Quantum Optics (2019), the Hans Fischer Senior Fellowship from the Institute for Advanced Studies in Munich (2013), and Humboldt Prize (2010). She is a Fellow of the APS, of the Optica (OSA), and of the IEEE, and an associate editor of the ACS Photonics. Host: Marko Loncar -- Jessica Brenn | Administrative Coordinator for Academic Operations Applied Math, Computer Science, Electrical Engineering Harvard John A. Paulson School of Engineering and Applied Sciences 33 Oxford Street, MD 253 Cambridge, MA 02138 Phone: 617-496-7358 ------------------ Ann Quaicoe Harvard Quantum Initiative Staff Assistant 33 Oxford Street Cambridge, MA 02138 Maxwell-Dworkin 111 P: (617) 496-2361 ------------------ Modified Office Hours: M-Th: 8:00AM - 6:00PM F: Offline

1 year, 7 months

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Jelena Vuckovic, Stanford University: EE Seminar: Sept 30 "Scalable semiconductor classical and quantum photonic systems"

by Quaicoe, Ann

Harvard John A. Paulson School of Engineering and Applied Sciences EE SEMINAR Friday, September 30 at 3:30pm "Scalable semiconductor classical and quantum photonic systems" Jelena Vuckovic, Jensen Huang Professor in Global Leadership in the School of Engineering and Professor of Electrical Engineering, Stanford University Location: SEC LL2.224 Abstract: Despite the great progress in photonics over the past few decades, we are nowhere near the level of integration and complexity in photonic systems that would be comparable to those of electronic circuits, which prevents the use of photonics in many applications. This lag in integration scale is largely a result of how we traditionally design photonics: by combining building blocks from a limited library of known designs and manually tuning a few parameters. Unfortunately, the resulting photonic circuits are very sensitive to errors in manufacturing and to environmental instabilities, bulky, and often inefficient. The departure from this old-fashioned approach can lead to optimal photonic designs that are much better than state of the art on many metrics (smaller, more efficient, more robust). Such a departure is enabled by development of inverse design approach which efficiently searches through all possible combinations of realistic parameters and geometries for photonics using a combination of fast electromagnetic solvers and optimization algorithms. The inverse design approach can also enable new functionalities for photonics, including compact particle accelerators on chip which are 10000 times smaller than traditional accelerators, chip-to-chip and on-chip optical interconnects with error free communication rates exceeding terabit per second, and scaling of quantum systems (beyond present modest scale demonstrations, such as 3 node quantum networks and two dozens of maximally entangled qubits). In particular, platforms based on color centers in wide band gap semiconductors such as diamond and silicon carbide would be suitable for implementing scalable quantum systems, based on excellent spin quantum memories with direct photonic interfaces, the possibility to perform high speed and high fidelity quantum gates on spin qubits, combined with expertise in scaling semiconductor circuits. However, there are outstanding challenges, including color centers integration into optical structures while preserving their coherence and homogeneity, their spectral and spatial control, and implementation of efficient connections between spin qubits. Novel computational techniques such as photonics inverse design, along with new nanofabrication approaches, play a crucial role in addressing these challenges. Bio: Jelena Vuckovic (PhD Caltech 2002) is the Jensen Huang Professor in Global Leadership in the School of Engineering, and Professor of Electrical Engineering and by courtesy of Applied Physics at Stanford, where she leads the Nanoscale and Quantum Photonics Lab. She is also the Fortinet Founders Chair of the Electrical Engineering Department at Stanford, and was the inaugural director of Q-FARM, the Stanford-SLAC Quantum Science and Engineering Initiative. Vuckovic has received many awards and honors including recently the Vannevar Bush Faculty Fellowship (2022), the Mildred Dresselhaus Lectureship from MIT (2021), the James Gordon Memorial Speakership from the OSA (2020), the IET A. F. Harvey Engineering Research Prize (2019), Distinguished Scholarship of the Max Planck Institute for Quantum Optics (2019), the Hans Fischer Senior Fellowship from the Institute for Advanced Studies in Munich (2013), and Humboldt Prize (2010). She is a Fellow of the APS, of the Optica (OSA), and of the IEEE, and an associate editor of the ACS Photonics. Host: Marko Loncar -- Jessica Brenn | Administrative Coordinator for Academic Operations Applied Math, Computer Science, Electrical Engineering Harvard John A. Paulson School of Engineering and Applied Sciences 33 Oxford Street, MD 253 Cambridge, MA 02138 Phone: 617-496-7358 ------------------ Ann Quaicoe Harvard Quantum Initiative Staff Assistant 33 Oxford Street Cambridge, MA 02138 Maxwell-Dworkin 111 P: (617) 496-2361 ------------------ Modified Office Hours: M-Th: 8:00AM - 6:00PM F: Offline

1 year, 7 months

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FW: Harvard Quantum Information Meeting

by Ploucha, Clare

Hi all, Please see below for a talk that might be of interest. From: "Cotler, Jordan Saul" <jcotler(a)fas.harvard.edu> Dear all, This week will be the first "Harvard Quantum Information Group Meeting", which will be held on Thursday, September 29th at 4:30 pm in Jefferson 250. The meeting is open to everyone at Harvard interested in quantum information, including those in condensed matter physics, AMO physics, high energy physics, computer science, chemistry, etc. The format includes weekly tutorials (by both external and internal speakers) of contemporary topics in quantum information and quantum computing, aimed for a broad scientific audience. We will also try to foster connections between different groups at Harvard which are interested in or involved with quantum information, and build a broader community. This week, I will give a brief, panoramic overview of quantum information and quantum computation, and preview topics that will be discussed over the semester. I will be followed by our first speaker, Thomas Schuster from Berkeley, who will talk on "Many-body quantum teleportation via quantum information dynamics". Hope to see you all there. If you would like to join the mailing list for this meeting, please e-mail harvardqimeeting(a)gmail.com which will add you.

1 year, 7 months

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Fw: Announcement | C2QA Quantum Thursday Lecture Series

by Quaicoe, Ann

Good morning everyone, Please see below for an invitation to register for a Quantum lecture series hosted by the Brookhaven National Lab. The weekly lecture series begins today at 12:00 pm. If you’re interested, please register using the link provided. Best, Ann ________________________________ From: C2QA-Info <c2qa-info(a)bnl.gov> Sent: Friday, September 16, 2022 10:13 AM Subject: Announcement | C2QA Quantum Thursday Lecture Series [Timeline Description automatically generated] [cid:image002.png@01D8C9B4.D4DE14D0] Donna M. Cusa Co-Design Center for Quantum Advantage (C2QA) _______________________________________________________________________________________________________________________________________________________________________________________________________________________________ 40 Brookhaven Ave, Bldg. 460, Upton, NY 11973 - 5000 C: 646-369-2356 | E: dcusa(a)bnl.gov<mailto:dcusa@bnl.gov>

1 year, 7 months

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Lab Rotations

by Quaicoe, Ann

Hello everyone, as you all may know, each QSE PhD candidate is required to complete laboratory rotations (2) in both science and engineering to gain first-hand exposure to new techniques and questions. To submit your proposed lab rotation for review by program leadership, please complete the Lab Rotation Application<https://forms.gle/kHwZCKJmT9wa2dWe8>. Please submit your application by October 1, 2022. Feel free to email me or your academic advisor if you have any questions! Best, Ann ------------------ Ann Quaicoe Harvard Quantum Initiative Staff Assistant 33 Oxford Street Cambridge, MA 02138 Maxwell-Dworkin 111 P: (617) 496-2361 ------------------ Modified Office Hours: M-Th: 8:00AM - 6:00PM F: Offline

1 year, 7 months

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Weekly Friday Lunches

by Quaicoe, Ann

Good afternoon everyone! it is exciting to see that you've started your weekly Friday lunches

1 year, 7 months

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qse-grad-students@lists.fas.harvard.edu post from hqidirectors@harvard.edu requires approval

by qse-grad-students-owner＠lists.fas.harvard.edu

As list administrator, your authorization is requested for the following mailing list posting: List: qse-grad-students(a)lists.fas.harvard.edu From: hqidirectors(a)harvard.edu Subject: [Harvard-quantum-initiative] Reminder: Monday 9/12 - SEC - Partnering in Research to Advance the Quantum Internet The message is being held because: The message is not from a list member At your convenience, visit your dashboard to approve or deny the request. https://web.lists.fas.harvard.edu/mailman/lists/qse-grad-students.lists.fas…

1 year, 8 months

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Reminder: Monday 9/12 - SEC - Partnering in Research to Advance the Quantum Internet

by Harvard Quantum Initiative

Dear HQI Community, As a reminder, the Harvard Quantum Initiative and the AWS Center for Quantum Networking will host an exclusive event to celebrate a new collaboration this Monday, September 12. As part of “Partnering in Research to Advance the Quantum Internet”, leading experts from Harvard and AWS will present on the latest advances in the areas of quantum communications and networking and their applications, and announce new partnered research and workforce development efforts to drive breakthroughs in research and industry. The event will take place from 1:00-6:00pm on Monday, September 12, at the Science and Engineering Complex (LL2.229 and Lower Level Atrium). The detailed agenda is attached. Please direct any questions to HQIDirectors(a)harvard.edu<mailto:HQIDirectors@harvard.edu>. Thank you, Harvard Quantum Initiative From: Harvard Quantum Initiative <HQIDirectors(a)harvard.edu> Date: Monday, September 5, 2022 at 3:53 PM To: "harvard-quantum-initiative(a)lists.fas.harvard.edu" <harvard-quantum-initiative(a)lists.fas.harvard.edu> Subject: [Harvard-quantum-initiative] Invitation: Monday 9/12 - SEC - Partnering in Research to Advance the Quantum Internet Dear HQI Community: The Harvard Quantum Initiative and the AWS Center for Quantum Networking are pleased to invite you to an exclusive event to celebrate a new collaboration. As part of “Partnering in Research to Advance the Quantum Internet”, leading experts from Harvard and AWS will present on the latest advances in the areas of quantum communications and networking and their applications, and announce new partnered research and workforce development efforts to drive breakthroughs in research and industry. The event will take place from 1:00-6:00pm on Monday, September 12, at the Science and Engineering Complex (LL2.229). The agenda will include panel discussions, a poster session, and a scientific talk by Oskar Painter, Head of Quantum Hardware, Amazon Web Services (AWS); John G. Braun Professor Of Applied Physics and Professor of Physics at Caltech. We will send the detailed agenda out late next week. We hope you will join us for this event. Please direct any questions to HQIDirectors(a)harvard.edu<mailto:HQIDirectors@harvard.edu>. Thank you, Harvard Quantum Initiative

1 year, 8 months

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Qse-grad-students September 2022