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Streamlining quantum information transmission

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A tele-meeting with the results: from left, William J. Munro, Nicolò Lo Piparo, Kae Nemoto, Michael Hanks, and Claude Gravel. CREDIT
Kae Nemoto, Global Research Center for Quantum Information Science, the National Institute of Informatics in Japan
A tele-meeting with the results: from left, William J. Munro, Nicolò Lo Piparo, Kae Nemoto, Michael Hanks, and Claude Gravel. CREDIT
Kae Nemoto, Global Research Center for Quantum Information Science, the National Institute of Informatics in Japan

Abstract:
The quantum realm holds the key to the next revolution in communication technology as we know it. With the promise of unprecedented performance and impenetrable security, quantum technology is taking its first steps towards the ultimate goal of applications such as highly encrypted yet nearly fast-as-light financial transactions. However, the ability for quantum computers to communicate with one another has been limited by the resources required for such exchanges, constraining the amount of information that can be traded, as well as the amount of time it can be stored.

Streamlining quantum information transmission


Tokyo, Japan | Posted on July 17th, 2020

Researchers based in Japan have taken a major step toward addressing these resource limitations. They published their findings on May 27 in Physical Review Letters.

“To connect remote quantum computers together, we need the capacity to perform quantum mechanical operations between them over very long distances, all while maintaining their important quantum coherence,” said Professor Kae Nemoto, paper author and director of the Global Research Center for Quantum Information Science at the National Institute of Informatics (NII) in Japan.

“However, interestingly, while quantum computers have emerged at the small scale, quantum communication technology is still at the device level and has not been integrated together to realize communication systems. In this work, we show a route forward.”

Quantum information requires protection from the significant amount of noise surrounding it, as well as the tendency of information to be lost from the initial message. This protection process is called quantum error correction, which entangles one piece of information across many qubits, the most basic unit of quantum information. Imagine a letter torn into nine pieces, each placed in an envelope, with each envelope sent to the same destination to be re-assembled and read. In the quantum world, the envelopes are mailed via photons and there is enough information in each envelope to recreate the entire letter if any of the envelopes are lost or destroyed.

“The overhead to protect quantum information from noise and loss will be large, and the size of the required devices to realize this will cause serious problems, as we have started to see in today’s quantum computer development,” Nemoto said. “As the efforts to realize the quantum internet are occurring worldwide, it is important to think of it as a system, and not simple devices.”

Nemoto and her team addressed this issue using a process called quantum multiplexing, in which they reduced not only noise, but also the number of resources needed to transmit information. In multiplexing, the information contained within two separate photons is combined into one photon, like two envelopes being sent in a portfolio, so the information is still individually protected but only one stamp is needed for transport.

“In this system, quantum error correction will play an essential role, not only of protecting the quantum information transmitted, but also for significantly reducing the necessary resources to achieve whatever tasks one needs,” said paper co-author William J. Munro, a researcher at NTT’s Basic Research Laboratories. “Quantum multiplexing enables significant resource reduction without requiring new technology to be developed for such quantum communication devices.”

The researchers are currently extending their work to large-scale quantum complex network scenarios.

“The quantum revolution has allowed us to design and create new technologies previously thought impossible in our classical world,” Nemoto said. “Small-scale quantum computers have already shown computing performance better than today’s largest supercomputers. However, many other forms of quantum technology are emerging and one of the most profound could be the quantum internet – a quantum-enabled version of today’s internet – which will allow us to network devices together, including quantum computers.”

Next, the researchers will build upon the first steps they have already taken to increase both the amount of information and the storage time.

###

This work was supported in part by the Japan Society for the Promotion of Science and the John Templeton Foundation.

Other contributors include Nicolò Lo Piparo, Michael Hanks, Claude Gravel and William J. Munro, all of whom are affiliated with the National Institute of Informatics. Munro is also affiliated with the NTT Basic Research Laboratories and the NTT Research Center for Theoretical Quantum Physics.

####

About Research Organization of Information and Systems (ROIS)
ROIS is a parent organization of four national institutes (National Institute of Polar Research, National Institute of Informatics, the Institute of Statistical Mathematics and National Institute of Genetics) and the Joint Support-Center for Data Science Research. It is ROIS’s mission to promote integrated, cutting-edge research that goes beyond the barriers of these institutions, in addition to facilitating their research activities, as members of inter-university research institutes.

About the National Institute of Informatics (NII)

NII is Japan’s only academic research institute dedicated to the new discipline of informatics. Its mission is to “create future value” in informatics. NII conducts both long-term basic research and practical research aimed at solving social problems in a wide range of informatics research fields, from fundamental theories to the latest topics, such as artificial intelligence, big data, the Internet of Things, and information security.

As an inter-university research institute, NII builds and operates academic information infrastructure essential for the research and educational activities of the entire academic community (including the Science Information Network) as well as developing services such as those that enable the provision of academic content and service platforms. https://www.nii.ac.jp/en/

For more information, please click here

Contacts:
Takao Fujiyoshi
81-342-122-164

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SEMI Partners with GLOBALFOUNDRIES to Offer Apprenticeship Program Aimed at Building the Electronics Talent Pipeline

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Home > Press > SEMI Partners with GLOBALFOUNDRIES to Offer Apprenticeship Program Aimed at Building the Electronics Talent Pipeline

Abstract:
SEMI, the industry association serving the global electronics design and manufacturing supply chain, today launched a new collaborative apprenticeship program to make it easier for companies to offer training and for more workers to pursue careers in electronics. The competency-based SEMI Industry Approved Apprenticeship Program (IAAP) is designed to identify skills gaps and deliver targeted training that efficiently meets industry employers’ hiring needs.

SEMI Partners with GLOBALFOUNDRIES to Offer Apprenticeship Program Aimed at Building the Electronics Talent Pipeline


Milpitas, CA | Posted on August 11th, 2020

SEMI developed the IAAP in partnership with GLOBALFOUNDRIES® (GF®), the largest pure-play semiconductor foundry in the U.S. and the world’s leading specialty foundry. Designed to be scaled to meet industry demand for technicians, the program leverages SEMI’s Unified Competency Model (UCM), which was formed with industry input as a new skills standard and is endorsed by the U.S. Department of Labor Employment and Training Administration (USDOL-ETA). The UCM is posted on DOL-ETA’s Competency Model Clearinghouse.
“GLOBALFOUNDRIES has long been committed to building educational partnerships that benefit both our employees and the region, particularly in developing a highly skilled workforce to ensure our industry and the U.S. remains at the forefront of innovation for years to come,” said Ron Sampson, senior vice president and general manager of U.S. Fab Operations at GF. “Through SEMI’s new Industry Approved Apprenticeship Program, we look forward to helping our employees advance their careers, while playing an important role in workforce training and boosting the semiconductor manufacturing talent pool.”

“The IAAP is designed to help the microelectronics industry and advanced manufacturers overcome the talent shortage by enabling companies to fill skills gaps more effectively and at lower cost,” said Mike Russo, vice president of Industry Advancement and Government Programs at SEMI. “SEMI will continue to work to ensure the IAAP lays a path for employers to pursue government-registered apprenticeship programs and qualify for reimbursement of related training expenses.”

Hudson Valley Community College (HVCC) will offer the apprenticeship program courses, the first certified under the SEMI Certs program, online. The course curriculum is aligned with UCM to ensure course curriculum supports the development of skills required by the electronics industry.

“We are excited to be a partner in this pilot program that is expected to graduate approximately 50 apprentices by the end of this year and more than 100 apprentices by the end of 2021,” said Roger Ramsammy, president of Hudson Valley Community College. “Hudson Valley’s participation in the SEMI Certs program has ensured our courses are aligned with industry requirements and that participants receive college credits to help them pursue related degrees and support career laddering. In addition, we hope the program will ultimately be a New York State Registered Apprenticeship Program, providing access to tuition reimbursement for Required Technical Training.”

Along with GLOBALFOUNDRIES and HVCC, SEMI partnered with SUNY Polytechnic Institute, the Manufacturing Association of Central New York (MACNY) and the Center for Economic Growth (CEG), a nonprofit economic and business development organization that serves as the primary point of contact for businesses interested in growing in or moving to New York’s eight-county capital region, to develop the apprenticeship program.

The apprentice program marks a milestone in the evolution of SEMI Works™, the first U.S. electronics workforce development program developed under a partnership with the National Science Foundation Advanced Technological Education (NSF-ATE) Program, the USDOL-ETA and academic partner SUNY Polytechnic Institute in New York.

####

About SEMI
SEMI® connects more than 2,400 member companies and 1.3 million professionals worldwide to advance the technology and business of electronics design and manufacturing. SEMI members are responsible for the innovations in materials, design, equipment, software, devices, and services that enable smarter, faster, more powerful, and more affordable electronic products. Electronic System Design Alliance (ESD Alliance), FlexTech, the Fab Owners Alliance (FOA) and the MEMS & Sensors Industry Group (MSIG) are SEMI Strategic Technology Communities, defined communities within SEMI focused on specific technologies. Visit www.semi.org to learn more, contact one of our worldwide offices, and connect with SEMI on LinkedIn and Twitter.

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Michael Hall/SEMI

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Materials science researchers develop first electrically injected laser: The diode laser uses semiconducting material germanium tin and could improve micro-processing speed and efficiency at much lower costs

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Home > Press > Materials science researchers develop first electrically injected laser: The diode laser uses semiconducting material germanium tin and could improve micro-processing speed and efficiency at much lower costs

Fisher Yu, University of Arkansas CREDIT
University of Arkansas
Fisher Yu, University of Arkansas CREDIT
University of Arkansas

Abstract:
Materials science researchers, led by electrical engineering professor Shui-Qing “Fisher” Yu, have demonstrated the first electrically injected laser made with germanium tin.

Materials science researchers develop first electrically injected laser: The diode laser uses semiconducting material germanium tin and could improve micro-processing speed and efficiency at much lower costs


Fayetteville, AR | Posted on August 11th, 2020

Used as a semiconducting material for circuits on electronic devices, the diode laser could improve micro-processing speed and efficiency at much lower costs.

In tests, the laser operated in pulsed conditions up to 100 kelvins, or 279 degrees below zero Fahrenheit.

“Our results are a major advance for group-IV-based lasers,” Yu said. “They could serve as the promising route for laser integration on silicon and a major step toward significantly improving circuits for electronics devices.”

The research is sponsored by the Air Force Office of Scientific Research, and the findings have been published in Optica, the journal of The Optical Society. Yiyin Zhou, a U of A doctoral student in the microelectronics-photonics program authored the article. Zhou and Yu worked with colleagues at several institutions, including Arizona State University, the University of Massachusetts Boston, Dartmouth College in New Hampshire and Wilkes University in Pennsylvania. The researchers also collaborated with Arktonics, an Arkansas semiconductor equipment manufacturer.

The alloy germanium tin is a promising semiconducting material that can be easily integrated into electronic circuits, such as those found in computer chips and sensors. The material could lead to the development of low-cost, lightweight, compact and low power-consuming electronic components that use light for information transmission and sensing.

Yu has worked with germanium tin for many years. Researchers in his laboratory have demonstrated the material’s efficacy as a powerful semiconducting alloy. After reporting the fabrication of a first-generation, “optically pumped” laser, meaning the material was injected with light, Yu and researchers in his laboratory continue to refine the material.

####

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Fisher Yu
479-575-7265

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Advance in programmable synthetic materials: Reading sequence of metal atoms in MOFs allows encoding of multiple chemical functions

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Home > Press > Advance in programmable synthetic materials: Reading sequence of metal atoms in MOFs allows encoding of multiple chemical functions

Rods of multivariate MOFs (left) can be programmed with different metal atoms (colored balls) to do a series of chemical tasks, such as controlled drug release, or to encode information like the ones and zeros in a digital computer. CREDIT
UC Berkeley image by Omar Yaghi and Zhe Ji
Rods of multivariate MOFs (left) can be programmed with different metal atoms (colored balls) to do a series of chemical tasks, such as controlled drug release, or to encode information like the ones and zeros in a digital computer. CREDIT
UC Berkeley image by Omar Yaghi and Zhe Ji

Abstract:
Artificial molecules could one day form the information unit of a new type of computer or be the basis for programmable substances. The information would be encoded in the spatial arrangement of the individual atoms – similar to how the sequence of base pairs determines the information content of DNA, or sequences of zeros and ones form the memory of computers.

Advance in programmable synthetic materials: Reading sequence of metal atoms in MOFs allows encoding of multiple chemical functions


Berkeley, CA | Posted on August 11th, 2020

Researchers at the University of California, Berkeley, and Ruhr-Universität Bochum (RUB) have taken a step towards this vision. They showed that atom probe tomography can be used to read a complex spatial arrangement of metal ions in multivariate metal-organic frameworks.

Metal-organic frameworks (MOFs) are crystalline porous networks of multi-metal nodes linked together by organic units to form a well-defined structure. To encode information using a sequence of metals, it is essential to be first able to read the metal arrangement. However, reading the arrangement was extremely challenging. Recently, the interest in characterizing metal sequences is growing because of the extensive information such multivariate structures would be able to offer.

Fundamentally, there was no method to read the metal sequence in MOFs. In the current study, the research team has successfully done so by using atom probe tomography (APT), in which the Bochum-based materials scientist Tong Li is an expert. The researchers chose MOF-74, made by the Yaghi group in 2005, as an object of interest. They designed the MOFs with mixed combinations of cobalt, cadmium, lead, and manganese, and then decrypted their spatial structure using APT.

Li, professor and head of the Atomic-Scale Characterisation research group at the Institute for Materials at RUB, describes the method together with Dr. Zhe Ji and Professor Omar Yaghi from UC Berkeley in the journal Science, published online on August 7, 2020.

Just as sophisticated as biology

In the future, MOFs could form the basis of programmable chemical molecules: for instance, an MOF could be programmed to introduce an active pharmaceutical ingredient into the body to target infected cells and then break down the active ingredient into harmless substances once it is no longer needed. Or MOFs could be programmed to release different drugs at different times.

“This is very powerful, because you are basically coding the behavior of molecules leaving the pores,” Yaghi said.

They could also be used to capture CO2 and, at the same time, convert the CO2 into a useful raw material for the chemical industry.

“In the long term, such structures with programmed atomic sequences can completely change our way of thinking about material synthesis,” write the authors. “The synthetic world could reach a whole new level of precision and sophistication that has previously been reserved for biology.”

###

The work was supported by the Center of Excellence for Nanomaterials and Clean Energy Applications at King Abdulaziz City for Science and Technology.

####

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Contacts:
Robert Sanders
510-915-3097

@UCBerkeley

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