Today's core language
The latest advances in quantum communication: China University of Science and Technology has successfully researched new qubit coding. Using the correlation principle, the research team realized the new type of qubits of orbital hybridization in the GaAs semiconductor system for the first time, and skillfully integrated the super-fast characteristics of the charge qubit with the long coherence of the spin qubit to realize quantum coherence. The combination of the "fish" and the "bear paw" of the electronically controlled new coded qubits with good characteristics, fast control speed and strong controllability.
First, semiconductor news
1. Cisco announced the acquisition of Leaba, an Israeli startup semiconductor company, for $380 million. On Thursday, Cisco announced a $320 million acquisition of Leaba Semiconductor, Lea is an Israeli mysterious chip maker, Leaba's products will be part of Cisco's core hardware, and another Israeli media reported that the purchase price is $380 million. Interestingly, Cisco, as a hardware vendor looking to expand into software such as cloud computing, is still investing large sums of money back into the basic hardware space. Leaba will report to Cisco's senior vice president Ravi Cherukuri, who is also the head of Cisco's hardware division. Yesterday Cisco just announced that $260 million was fed up with cloud computing company CliQr.
2. The latest development of quantum communication: China University of Science and Technology has successfully researched a new type of quantum bit coding. Like modern computers, "quantum chips" are the "brains" of future quantum computers. The development of electronically controlled quantum chips compatible with modern semiconductor processes is one of the important directions in the development of quantum computers. The research group is dedicated to the development of semiconductor quantum chips, along with charge-coded qubits to achieve ultra-fast quantum computing roadmaps, and has implemented charge-encoded ultrafast universal single-qubit logic gates [Nature CommunicaTIons 4, 1401 (2013)] and Based on the two-qubit control non-logic gate [Nature CommunicaTIons 6, 7681 (2015)], we continue to explore a new method to extend the coherence time of charge-encoded bits, and obtain the spin-coded quantum while guaranteeing the ultra-fast manipulation speed of the quantum bits. The same long coherent nature of bits enables both ultra-fast qubit manipulation and long coherence time to solve the core problem of performing quantum manipulation as much as possible in bit coherence time.
The research team used the asymmetric characteristics of the polyelectron orbitals of semiconductor quantum dots to realize the new qubits of orbital hybridization in gallium arsenide semiconductor systems for the first time, subtly the ultra-fast characteristics of charge qubits and spin qubits. The long coherence characteristics are combined to achieve the combination of “fish†(ultra-fast control) and “bear paw†(long coherence). The experimental results show that the new qubit is similar to the charge qubit, which can achieve ultra-fast quantum inversion from 0 to 1 in a hundred picoseconds, and its quantum coherence is nearly ten times higher than the general charge-encoded qubit.
The novel multi-electron orbit hybridization has a strong versatility for realizing quantum bit coding and regulation. It is not only applicable to the three-five semiconductors, but also can be extended to four semiconductors such as silicon germanium and even new semiconductors such as graphene and TMDS. At the same time, this work provides a new idea for exploring the effects of polar phonons and piezoelectric effects on the quantum coherence properties in semiconductors.
Second, the Internet of Things
1. Shengjing Technology “marriage†Huawei creates a smart city. Driven by favorable policies, Shengjing Technology has once again exerted its strength and recently signed a strategic cooperation agreement with Huawei Technologies Co., Ltd. for smart city municipal industry application solutions.
2. Haier cooperates with Tsinghua University to upgrade and build an intelligent manufacturing ecosystem. Haier chose Tsinghua University as one of the "think tanks" of the Institute, providing relevant support for its technical research and talent incubation in the field of intelligent manufacturing. The in-depth cooperation between the two will also promote the further upgrading of domestic intelligent manufacturing.
Third, automotive electronics
1. Li Yanhong's proposal for the two sessions: Accelerate the improvement of the policy and regulations for driverless cars. Baidu CEO Li Yanhong, who is a member of the National Committee of the Chinese People's Political Consultative Conference, submitted the proposals of the two conferences today. There are three main points: 1. Accelerate the formulation and improvement of relevant policies and regulations for driverless vehicles; 2. Support private network resources to invest in social operations; 3. Improve China's airspace resource management. System to improve the on-time rate of civil aviation. Driverless vehicles have enormous potential for energy saving, and have far-reaching significance in reducing traffic accidents, improving congestion, improving road and vehicle utilization, and directly driving the rapid development of industries such as smart car aftermarket.
2. Marriage with Ali Roewe City SUV will be released at the Beijing Auto Show. Recently, SAIC Group revealed that Roewe City SUV will be launched at the Beijing Auto Show. This compact SUV is an "Internet car" jointly developed by SAIC and Alibaba Group. It is equipped with Ali Yun OS operating system and uses SAIC "Blue Core". "Fuel power system, later will launch the "green core" plug-in hybrid and pure electric version.
3. Tesla will launch a wireless charging device for 10 hours to fill the Model S. Since April of this year, its wireless charging device "plug-in charging system" has been on sale. The system is equivalent to a 7.2 kW secondary coil charging pile that can support an electric car for 20 miles (32 km) for every hour of charging.
Fourth, virtual reality / augmented reality
1. Intel developed augmented reality devices using 3D camera technology. According to the online edition of The Wall Street Journal, Intel is also joining the augmented reality (AR) competition. According to people familiar with the matter, Intel is developing an AR headset, and plans to use a 3D camera technology called RealSense in the device, which will help Intel stand out from the crowded market. At present, the AR market is full of heroes, including Apple, Google and Microsoft.
2.GQY Video: Dedicated to building the AR+ service robot industry layout. GQY Video will be invested in the US company Meta, Meta is a well-known American AR company, GQY Video joins the AR ecosystem through investment in Meta, and integrates Meta's AR technology with GQY video's large-screen integrated display technology.
3. Augmented reality company Blippar received another $54 million in financing. Blippar announced today that the company has just received a $54 million round of financing, led by the Malaysian government investment fund Khazanah Nasional Berhad. Last March, Blippar just got a round of $45 million in financing. Founded in London in 2011, Blippar was later known for working with popular brands to promote movies, Guinness and more. Once the user downloads the Blippar app and opens it, the phone camera is aimed at the product and more content about the product can be accessed and interacted with.
Five, drone
1. The UAV Racing Alliance held its first event in Miami. The first season of the season, hosted by the Drone Racing Alliance, kicked off at Miami's Sun Life Stadium, which was divided into three phases, including qualifying, semi-finals and finals.
2. International research organizations use drones to assist in garbage collection. The drone is used for reconnaissance activities. When the drone detects that there is garbage, it will plan a route to the ground for the ground unit. After the ground unit collects the garbage, it will be navigated by the drone to the garbage truck to dump the garbage.
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