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Received — 10 September 2026 ⏭ Nature Nanotechnology

Nature Nanotechnology
Quantum-well metasurface for free-space-accessible enhanced nonlinear polarization Pernille Undrum Fathi · Irene Occhiodori · Patrick Devaney · Amberly Ricks · Rithvik Ramesh · Yiwei Ju · Moaz Waqar · Theodore P. Letsou · Christina M. Spägele · Hyunseung Jung · Igal Brener · Xiaoqing Pan · Marcus Ossiander · Seth R. Bank · Federico Capasso
Nature Nanotechnology, Published online: 02 September 2026; doi:10.1038/s41565-026-02268-0Interband-engineered quantum wells integrated with a resonant metasurface yield giant near-infrared-to-visible optical nonlinearities.
2 September 2026 at 08:00

Quantum-well metasurface for free-space-accessible enhanced nonlinear polarization

Nature Nanotechnology

By: Pernille Undrum Fathi · Irene Occhiodori · Patrick Devaney · Amberly Ricks · Rithvik Ramesh · Yiwei Ju · Moaz Waqar · Theodore P. Letsou · Christina M. Spägele · Hyunseung Jung · Igal Brener · Xiaoqing Pan · Marcus Ossiander · Seth R. Bank · Federico Capasso

2 September 2026 at 08:00

Nature Nanotechnology, Published online: 02 September 2026; doi:10.1038/s41565-026-02268-0

Interband-engineered quantum wells integrated with a resonant metasurface yield giant near-infrared-to-visible optical nonlinearities.