Nonlinear terahertz devices utilizing semiconducting plasmonic metamaterials

Seren, Huseyin R.; Zhang, Jingdi; Keiser, George R.; Maddox, Scott J.; Zhao, Xiaoguang; Fan, Kebin; Bank, Seth R.; Zhang, Xin; Averitt, Richard D.

doi:10.1038/lsa.2016.78

Nonlinear terahertz devices utilizing semiconducting plasmonic metamaterials

Journal Article · Mon Jan 25 23:00:00 EST 2016 · Light, Science & Applications

DOI:https://doi.org/10.1038/lsa.2016.78· OSTI ID:1393404

^[1]; Zhang, Jingdi ^[2]; Keiser, George R. ^[3]; ^[4]; Zhao, Xiaoguang ^[5]; Fan, Kebin ^[5]; Bank, Seth R. ^[4]; Zhang, Xin ^[5]; Averitt, Richard D. ^[2]

Boston Univ., MA (United States). Lab. for Microsystems Technology, Dept. of Mechanical Engineering; Boston University
Boston Univ., MA (United States). Dept. of Physics; Univ. of California, San Diego, CA (United States). Dept. of Physics
Boston Univ., MA (United States). Dept. of Physics; Brown Univ., Providence, RI (United States). School of Engineering
Univ. of Texas, Austin, TX (United States). Microelectronics Research Center
Boston Univ., MA (United States). Lab. for Microsystems Technology, Dept. of Mechanical Engineering

The development of responsive metamaterials has enabled the realization of compact tunable photonic devices capable of manipulating the amplitude, polarization, wave vector and frequency of light. Integration of semiconductors into the active regions of metallic resonators is a proven approach for creating nonlinear metamaterials through optoelectronic control of the semiconductor carrier density. Metal-free subwavelength resonant semiconductor structures offer an alternative approach to create dynamic metamaterials. We present InAs plasmonic disk arrays as a viable resonant metamaterial at terahertz frequencies. Importantly, InAs plasmonic disks exhibit a strong nonlinear response arising from electric field-induced intervalley scattering, resulting in a reduced carrier mobility thereby damping the plasmonic response. here, we demonstrate nonlinear perfect absorbers configured as either optical limiters or saturable absorbers, including flexible nonlinear absorbers achieved by transferring the disks to polyimide films. Nonlinear plasmonic metamaterials show potential for use in ultrafast terahertz (THz) optics and for passive protection of sensitive electromagnetic devices.

View Accepted Manuscript (DOE)

Research Organization:: Boston Univ., Boston, MA (United States)

Sponsoring Organization:: USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22); National Science Foundation (NSF); Air Force Office of Scientific Research (AFOSR)

Grant/Contract Number:: SC0002384; SC0002384

OSTI ID:: 1393404

Journal Information:: Light, Science & Applications, Journal Name: Light, Science & Applications Journal Issue: 5 Vol. 5; ISSN 2047-7538

Publisher:: Nature Publishing GroupCopyright Statement

Country of Publication:: United States

Language:: English

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