Ultrafast nano-imaging and control of optical switching in strongly coupled infrared quantum-well heterostructures
Dokumenttyp:
Konferenzbeitrag
Autor(en):
Johnson, Samuel C.; Bechtel, Hans A.; Mann, Sander A.; Nookala, Nishant; Alu, Andrea; Klem, John F.; Brener, Igal; Belkin, Mikhail A.; Raschke, Markus B.
Abstract:
We perform ultrafast degenerate infrared pump-probe micro- to nano-scale imaging and spectroscopy of multi-quantum-well antenna heterostructures. We demonstrate coupling strength and phase rotation control through modification of the optical nano-cavity.
Stichworte:
Light sources; Nanoantennas; Near field scanning optical microscopy; Optical limiting; Phase measurement; Quantum wells