Andrew Ye

collaborators

2 papers

math.GT2025

Tiling the 4-ball with knotted surfaces

James Ross, Hannah Schwartz, Andrew Ye

We show that for any closed, orientable surface $K$ smoothly embedded in $R^{4}$ , the unit $4$ -ball $B^{4} \subset R^{4}$ can be tiled using $n \geq 3$ tiles each congr…

physics.optics2025

Quasi-phase-matched up- and down-conversion in periodically poled layered semiconductors

Chiara Trovatello, Carino Ferrante, Birui Yang +15

Nonlinear optics lies at the heart of classical and quantum light generation. The invention of periodic poling revolutionized nonlinear optics and its commercial applications by en…