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Proceedings Paper

Nonlinear optics with quantum-engineered intersubband metamaterials
Author(s): Jongwon Lee; Nishant Nookala; Mykhailo Tymchenko; Seungyong Jung; Frederic Demmerle; Gerhard Boehm; Markus-Christian Amann; Andrea Alù; Mikhail A. Belkin
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Paper Abstract

Intersubband transitions in n-doped semiconductor heterostructures provide the possibility to quantum engineer one of the largest known nonlinear optical responses in condensed matter systems, limited however to electric field polarized normal to the semiconductor layers. Here we show that by coupling of electromagnetic modes in plasmonic metasurfaces with quantum-engineered intersubband transitions in semiconductor heterostructures one can create ultra-thin highlynonlinear metasurfaces for normal light incidence. Structures discussed here represent a novel kind of hybrid metalsemiconductor metamaterials in which exotic optical properties are produced by coupling electromagneticallyengineered modes in dielectric and plasmonic nanostructures with quantum-engineered intersubband transitions in semiconductor heterostructures. Record values of effective optical nonlinearities of over 400 nm/V are experimentally measured for metasurfaces optimized for efficient second harmonic generation at 9.7 μm pump wavelength under normal incidence.

Paper Details

Date Published: 10 March 2015
PDF: 7 pages
Proc. SPIE 9382, Novel In-Plane Semiconductor Lasers XIV, 938216 (10 March 2015); doi: 10.1117/12.2084669
Show Author Affiliations
Jongwon Lee, The Univ. of Texas at Austin (United States)
Nishant Nookala, The Univ. of Texas at Austin (United States)
Mykhailo Tymchenko, The Univ. of Texas at Austin (United States)
Seungyong Jung, The Univ. of Texas at Austin (United States)
Frederic Demmerle, Technische Univ. München (Germany)
Gerhard Boehm, Technische Univ. München (Germany)
Markus-Christian Amann, Technische Univ. München (Germany)
Andrea Alù, The Univ. of Texas at Austin (United States)
Mikhail A. Belkin, The Univ. of Texas at Austin (United States)


Published in SPIE Proceedings Vol. 9382:
Novel In-Plane Semiconductor Lasers XIV
Alexey A. Belyanin; Peter M. Smowton, Editor(s)

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