Stanford researchers push forward quantum computing research

Stanford researchers push forward quantum computing research

Stanford researchers push forward quantum computing research

Stanford University’s electrical engineer, Professor Jelena Vuckovic and colleagues in his lab, working on new materials that could be the basis for quantum computing. Although silicon-based transistors in traditional computers feed electricity through devices to create numbers and zeros, quantum computers operate by isolating the spinning electrons in a new type of semiconductor material.
When a laser strikes the electron, it is shown how it is rotated by the emission of one or more quanta, or particles of light. These rotate states and replace those traditional computer zeros. In his nearly 20-year studies, Vuckovic has focused on one aspect of the challenge of creating new types of quantum computing chips that become the building blocks of future systems, Xinhua revealed. The challenge is to develop materials that can trap just one single electron.
To remedy the problem, Stanford researchers have recently tried three different approaches, one can operate at room temperature, contrary to what some of the leading technology companies in the world are dealing with excellent materials cooled to near absolute zero, That of the theoretical temperature that atoms cease to move.
Read also: quantum computing: the next generation of computers can be hacked
In all three cases, the researchers began with semiconductor crystals, that is, materials with a regular atomic network such as beams of a skyscraper. By modifying the network slightly, they attempted to create a structure in which the atomic forces exerted by the material could contain an electron that rotates. One way to create the electron laser interaction chamber is through a structure known as the quantum dot, or a small amount of indium arsenide within a gallium arsenide crystal. The atomic properties of both materials are known to trap an electron spinning.
In an article published in Nature Physics, Kevin Fischer, a graduate student in the Vuckovic laboratory describes how the electron laser processes can be operated at a quantum point to control light input and output. By sending more power to the quantum dot laser, researchers could force it to emit two photons instead of exactly. It has advantages over other main quantum computing platforms, but still requires cryogenic cooling.
Therefore, the result can not be useful for general computing, but the quantum point may have applications in the creation of inviolable communication networks. Another means of electron capture, such Vuckovic and his colleagues investigated in two other cases, is to change a single crystal to trap light in what is called a color center.
Read also: close-up of quantum computers released
In an article published in Nanoletters, Jingyuan Linda Zhang, a graduate student in Vuckovic’s laboratory, described how a 16-member research team replaced some of the carbon atoms in the lattice with a silicon diamond atoms.
The alteration has created color centers that actually trapped electrons spinning in the diamond network. However, the quantum dot, however, most color center experiences of diamonds require cryogenic cooling. But the field is still in its infancy, and researchers are not sure of the method or methods it will win. “We do not know yet which is the best approach, so we continue to experiment,” said VuckovicStanford University’s electrical engineer, Professor Jelena Vuckovic and colleagues in his lab, working on new materials that could be the basis for quantum computing. Although silicon-based transistors in traditional computers feed electricity through devices to create numbers and zeros, quantum computers operate by isolating the spinning electrons in a new type of semiconductor material.
When a laser strikes the electron, it is shown how it is rotated by the emission of one or more quanta, or particles of light. These rotate states and replace those traditional computer zeros. In his nearly 20-year studies, Vuckovic has focused on one aspect of the challenge of creating new types of quantum computing chips that become the building blocks of future systems, Xinhua revealed. The challenge is to develop materials that can trap just one single electron.
To remedy the problem, Stanford researchers have recently tried three different approaches, one can operate at room temperature, contrary to what some of the leading technology companies in the world are dealing with excellent materials cooled to near absolute zero, That of the theoretical temperature that atoms cease to move.
Read also: quantum computing: the next generation of computers can be hacked
In all three cases, the researchers began with semiconductor crystals, that is, materials with a regular atomic network such as beams of a skyscraper. By modifying the network slightly, they attempted to create a structure in which the atomic forces exerted by the material could contain an electron that rotates. One way to create the electron laser interaction chamber is through a structure known as the quantum dot, or a small amount of indium arsenide within a gallium arsenide crystal. The atomic properties of both materials are known to trap an electron spinning.
In an article published in Nature Physics, Kevin Fischer, a graduate student in the Vuckovic laboratory describes how the electron laser processes can be operated at a quantum point to control light input and output. By sending more power to the quantum dot laser, researchers could force it to emit two photons instead of exactly. It has advantages over other main quantum computing platforms, but still requires cryogenic cooling.
Therefore, the result can not be useful for general computing, but the quantum point may have applications in the creation of inviolable communication networks. Another means of electron capture, such Vuckovic and his colleagues investigated in two other cases, is to change a single crystal to trap light in what is called a color center.
Read also: close-up of quantum computers released
In an article published in Nanoletters, Jingyuan Linda Zhang, a graduate student in Vuckovic’s laboratory, described how a 16-member research team replaced some of the carbon atoms in the lattice with a silicon diamond atoms.
The alteration has created color centers that actually trapped electrons spinning in the diamond network. However, the quantum dot, however, most color center experiences of diamonds require cryogenic cooling. But the field is still in its infancy, and researchers are not sure of the method or methods it will win. “We do not know yet which is the best approach, so we continue to experiment,” said Vuckovic

Stanford University’s electrical engineer, Professor Jelena Vuckovic and colleagues in his lab, working on new materials that could be the basis for quantum computing. Although silicon-based transistors in traditional computers feed electricity through devices to create numbers and zeros, quantum computers operate by isolating the spinning electrons in a new type of semiconductor material.
When a laser strikes the electron, it is shown how it is rotated by the emission of one or more quanta, or particles of light. These rotate states and replace those traditional computer zeros. In his nearly 20-year studies, Vuckovic has focused on one aspect of the challenge of creating new types of quantum computing chips that become the building blocks of future systems, Xinhua revealed. The challenge is to develop materials that can trap just one single electron.
To remedy the problem, Stanford researchers have recently tried three different approaches, one can operate at room temperature, contrary to what some of the leading technology companies in the world are dealing with excellent materials cooled to near absolute zero, That of the theoretical temperature that atoms cease to move.
Read also: quantum computing: the next generation of computers can be hacked
In all three cases, the researchers began with semiconductor crystals, that is, materials with a regular atomic network such as beams of a skyscraper. By modifying the network slightly, they attempted to create a structure in which the atomic forces exerted by the material could contain an electron that rotates. One way to create the electron laser interaction chamber is through a structure known as the quantum dot, or a small amount of indium arsenide within a gallium arsenide crystal. The atomic properties of both materials are known to trap an electron spinning.
In an article published in Nature Physics, Kevin Fischer, a graduate student in the Vuckovic laboratory describes how the electron laser processes can be operated at a quantum point to control light input and output. By sending more power to the quantum dot laser, researchers could force it to emit two photons instead of exactly. It has advantages over other main quantum computing platforms, but still requires cryogenic cooling.
Therefore, the result can not be useful for general computing, but the quantum point may have applications in the creation of inviolable communication networks. Another means of electron capture, such Vuckovic and his colleagues investigated in two other cases, is to change a single crystal to trap light in what is called a color center.
Read also: close-up of quantum computers released
In an article published in Nanoletters, Jingyuan Linda Zhang, a graduate student in Vuckovic’s laboratory, described how a 16-member research team replaced some of the carbon atoms in the lattice with a silicon diamond atoms.
The alteration has created color centers that actually trapped electrons spinning in the diamond network. However, the quantum dot, however, most color center experiences of diamonds require cryogenic cooling. But the field is still in its infancy, and researchers are not sure of the method or methods it will win. “We do not know yet which is the best approach, so we continue to experiment,” said Vuckovic

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