Topological Solitons Power a Chip-Scale Frequency Comb Source (IMAGE)

California Institute of Technology

Topological Solitons Power a Chip-Scale Frequency Comb Source

Caption

The electric field inside an integrated quadratic nonlinear resonator can have two signs: positive or negative. When two fields of opposite signs coexist, they connect through sharp transitions called topological solitons, giving rise to a broadband frequency comb.

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Loïc Brunot

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