This article discusses the formation of a lattice potential using three retro-reflected laser beams, with two beams mode-matched in the x-direction and the third in the y-direction. The setup enables the creation of a 2D lattice by introducing a frequency detuning resulting in a phase shift. This configuration allows for the symmetric splitting of unit cells and provides confinement along the z-direction, establishing a platform for experiments in quantum mechanics. The influence of Fresnel loss and phase control is also explored in the formation of the lattice.
The lattice potential is established through three retro-reflected laser beams, creating a 2D lattice in the xy plane which is fundamental for quantum experiments.
By detuning the {X} beam's frequency by 1.6 GHz, it facilitates a π phase shift, enabling a sophisticated lattice design which splits unit cells symmetrically.
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