5 results about "Laser cooling" patented technology

In an example, the present invention provides a modular quantum computer system. The system has at least one quantum computer cell system. In an example, the system has a plurality of qubits comprising a laser coolable atom, ion, nitrogen vacancy center, silicon color center or qubit systems with an optical control capability, such that a number of the qubits range from one to 100,000, among others. In an example, the quantum computer cell system has an optical link. The optical link has a photon collection system or a pair of optical mirrors characterized by a mirror reflectivity >90% and configured to form a cavity, the cavity having a length, e.g., ranging from 1 micrometer to 1 centimeter or longer.

The application discloses an ultranarrow-bandwidth atomic filter based on cold atoms and an implementation method thereof. The application combines cold atoms with an atomic filter, slows down atoms through laser cooling technology, reduces the influence of Doppler effect, and further realizes an ultranarrow-bandwidth atomic filter with a transmission bandwidth close to the natural line width of atomic transition. The implementation of the application can solve the problem that the influence of thermal atomic Doppler broadening causes the transmission bandwidth to be unable to be further narrowed in the existing transmission bandwidth narrowing technology of a Faraday atomic filter, and can expand the research of a traditional thermal atomic Faraday filter to the field of cold atoms in modern science, provide new possibilities for substantial and significant progress and construction of a filter based on cold atoms, and bring extremely potential development to many fields. The application overcomes the limitation of thermal atomic Doppler broadening on the further narrowing of the transmission bandwidth of a Faraday atomic filter, and brings a significant bandwidth narrowing effect.

The utility model provides a kind of laser cooling device, it is related to laser cooling technical field, comprising: laser main body;The laser main body is sheathed with cooling jacket box;One side of the cooling jacket box is vertically accompanied with cooling liquid storage tank, and cooling liquid is stored in the cooling liquid storage tank;Circulating pump is fixedly installed on the upper end of the one side of the cooling liquid storage tank, and circulating pump is used to circulate the cooling liquid in cooling liquid storage tank and cooling jacket box;The lower end of the cooling jacket box is vertically provided with mounting bracket on one side.The cooling jacket box of high thermal conductivity material is closely sheathed laser main body, and combined with its internal spiral arrangement of circulating cooling pipe, greatly increase the heat exchange area and the residence time of cooling liquid in jacket box, ensure that the heat generated by laser main body can be efficiently, rapidly conducted to the cooling liquid flowing through the inner cavity of circulating cooling pipe, and the basic heat dissipation efficiency is high.

This invention discloses a Zeeman deceleration optimization method, system, and apparatus for multi-component atoms. The method includes: generating a Zeeman decelerator magnetic field based on a magnetic field coil; setting a first cooling light and a second cooling light, and adjusting the intensity and detuning of the first and second cooling lights, as well as the Zeeman decelerator magnetic field, to decelerate a high-temperature atomic beam, obtaining the parameters of the first and second cooling lights and the Zeeman decelerator magnetic field at the point of highest deceleration efficiency. The system includes a magnetic field generation module, a first cooling light deceleration module, a first deceleration efficiency adjustment module, a second cooling light deceleration module, and a second deceleration efficiency adjustment module. The apparatus includes an atomic furnace, a first differential tube, a second differential tube, a Zeeman decelerator, a magneto-optical trap, and the first and second cooling lights. By using this invention, the deceleration efficiency of multi-component atom Zeeman deceleration can be improved. This invention can be widely applied in the field of atomic laser cooling and trapping technology.

An atom trapping device 10 for trapping atoms has an atom trapping section 16 into which an atomic gas beam is incident. The atom trapping section 16 has a plurality of optical elements forming a laser beam group 18 and a magnetic field generating section 22. The magnetic field generating section 22 has at least two spiral coils and, as necessary, a tapered solenoid coil that optimizes the magnetic field in the direction of guidance. The spiral coils are configured so that the front end becomes thin and the winding density becomes sparse as the direction in which atoms are guided is advanced. The spiral coils are relatively arranged so that the distance between them decreases as the direction in which atoms are guided is advanced. The tapered solenoid coil generates a magnetic field so that the guidance of atoms and laser cooling in the guidance are optimized by adjusting the component in the direction in which atoms are guided in the magnetic field generated by the spiral coils. The atom trapping section 16 can also have a baseball coil instead of the spiral coils and the tapered solenoid coil.