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physics.optics2026
Geometric Phase and Spinor Beam Dynamics of Paraxial Beams
Jonathan M. Nichols, Christopher Griffin, Steven N. Rodriguez +2
We show that treating a paraxially propagating electric field as a spinor provides a natural way to include geometric phase in beam propagation models. Importantly, by exploiting d…
physics.optics2026
Free-space Optical Diffraction and the Fisher Information
Jonathan M. Nichols, Frank Bucholtz
Using the transport-of-intensity approach for free-space optical propagation in the paraxial regime, we show that diffraction is fundamentally related to the Fisher information ass…