An atom interferometer system includes a sensor cell comprising alkali metal atoms. An optical system generates first and second interrogation beams having respective first and second frequencies and a circular polarization. The optical system includes optics that provide the first and second interrogation beams through the sensor cell in a first direction and reflect the first and second interrogation beams back through the sensor cell in a second direction opposite the first direction and in a same circular polarization to drive the alkali metal atoms from a first energy state to a greater energy state during an interrogation stage of sequential measurement cycles. A detection system detects a state distribution of a population of the alkali metal atoms between the first energy state and the second energy state during the interrogation stage based on an optical response.

An inertial point-source matter-wave atom interferometer gyroscope includes an analyzer that receives fringe images of gyroscope atoms and includes: a first fringe image that includes a first fringe phase, a second fringe image that includes a second fringe phase; and a third fringe image that includes a third fringe phase, wherein the first fringe phase, the second fringe phase, and the third fringe phase are different; a phase mapper of the analyzer that produces a interferometric phase map for the gyroscope atoms from the fringe images of the gyroscope atoms; and a fitter of the analyzer in communication with the phase mapper and that receives the interferometric phase map from the analyzer and determines inertial parameters of the gyroscope atoms from the interferometric phase map, the inertial parameters including an acceleration and a rotation rate of the inertial point-source matter-wave atom interferometer gyroscope relative to the gyroscope atoms.

A spherical layer apparatus for imaging, ablation, optical tweezing, and quantum operations is described. In addition, a spherical device that can scatter and absorb electromagnetic radiation effectively, enhance emission and absorption of nearby molecules and atoms, and direct radiation toward a radiation source. The apparatus and device can work in the same setup.

Disclosed herein are methods of manipulating particles on solid substrates via optothermally-gated photon nudging.

The present disclosure relates to a method for arranging atoms in a target array of optical traps with predefined positions comprising: generating a given number of target traps at said predefined positions; generating reservoir traps, said reservoir traps and said target traps forming a traps array; defining allowed paths between traps of the traps array; loading atoms in the traps array to generate an initial loaded traps array; determining the positions of the atoms in the initial loaded traps array; calculating a sequence of moves using a rearrangement algorithm based on said initial loaded traps array and said allowed paths; and applying the sequence of moves to rearrange the atoms in the traps array and form a final loaded traps array.

A method of designing a nano-structured optical device includes: selecting a first nanoscale building block from a finite set of types of building blocks; placing the first nanoscale building block at a position and orientation in a three-dimensional optical device structure; optimizing the position, orientation, and type of the first nanoscale building block to obtain a preselected optical effect based on optical scattering from the first nanoscale building block; selecting a second nanoscale building block from the finite set of types of building blocks; placing the second nanoscale building block at a position and orientation in the three-dimensional optical device structure along with the first nanoscale building block; and optimizing the positions, orientations, and types of the first and second nanoscale building blocks to obtain the preselected optical effect based on optical scattering from the first and second nanoscale building blocks.

A micro device transferring apparatus and a micro device transferring method are provided. The micro device transferring apparatus for moving a micro device fixed on an original substrate to a target substrate includes: a stripper on a side of the original substrate away from the micro device, configured to strip the micro device off the original substrate, and an optical tweezer configured to tweeze the micro device from a side of the original substrate provided with the micro device, wherein an accommodating space for accommodating the micro device and the original substrate is between the stripper and the optical tweezer.

An optical system may include a target, a laser source, and an optical lens assembly. The optical lens assembly may include a mounting flange mounted adjacent the laser source, an objective lens aligned between the laser source and the target, and at least one adjustment stage coupled between the mounting flange and the objective lens. The adjustment stage may include a ball joint having a ball joint body, a ball receiver tube, and adjustable fasteners coupling the ball joint body to the ball receiver tube. The adjustment stage may include a translation tube having ramps thereon, and adjustable fasteners coupled between the mounting flange and the translation tube. In addition, the adjustment stage may include the mounting flange having a threaded surface thereon, and a focus ring rotatably coupled to the threaded surface of the mounting flange.

A particle removal tool includes a workpiece holder and an optical tweezer. The workpiece holder is configured to support a workpiece. The optical tweezer is configured to emit a plurality of focused light beams to the workpiece, wherein the plurality of focused light beams are respectively converged to focal points between the optical tweezer and the workpiece, and are configured to take particles away from the workpiece.

A quantum simulator includes a pseudo speckle pattern generator, a main vacuum chamber, an atomic gas supply unit, a light beam generator, a photodetector, and an atom number detector. The pseudo speckle pattern generator generates a pseudo speckle pattern in the inside of the main vacuum chamber by light allowed to enter the inside of the main vacuum chamber through the second window. The pseudo speckle pattern generator includes a controller, a light source, a beam expander, a spatial light modulator, and a lens. The controller sets a modulation distribution of the spatial light modulator based on a two-dimensional pseudo random number pattern.