Phys.org July 25, 2024 Light and sound waves can move objects through the transfer of linear or angular momentum. However, the stringent requirement for a highly controlled, low-reverberant and static environment still hinders the applicability of these techniques in many scenarios. An international team of researchers (Kazakhstan, Switzerland, France, Austria) overcame this challenge and demonstrated the manipulation of objects in disordered and dynamic media by optimally tailoring the momentum of sound waves iteratively in the far field. The method did not require information about the object’s physical properties or the spatial structure of the surrounding medium but relied only on […]
Tag Archives: Optical tweezers
A new method for quantum computing
Phys.org January 31, 2022 Using trapped-ion platform and optical tweezers researchers in the Netherlands have constructed new building blocks for quantum computing that pose fewer technical difficulties than current state-of-the art methods. Since the electric field allows for long-range qubit-qubit interactions mediated by the center-of-mass motion of the ion crystal alone, it is inherently scalable to large ion crystals. The proposed scheme does not rely on ground-state cooling. They studied the effects of imperfect cooling of the ion crystal, as well as the role of unwanted qubit-motion entanglement, and discuss the prospects of implementing the state-dependent tweezers in the laboratory… […]