Thumbnail
Access Restriction
Open

Author Firby, C. J. ♦ Elezzabi, A. Y.
Source United States Department of Energy Office of Scientific and Technical Information
Content type Text
Language English
Subject Keyword CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS ♦ BISMUTH ♦ DESIGN ♦ DIELECTRIC MATERIALS ♦ EXCITATION ♦ FERRITE GARNETS ♦ HARMONICS ♦ MACH-ZEHNDER INTERFEROMETER ♦ MAGNETIC FIELDS ♦ MAGNETIZATION ♦ MODULATION ♦ NONLINEAR PROBLEMS ♦ OPTICS ♦ PHASE SHIFT ♦ RADIOWAVE RADIATION ♦ SIGNALS ♦ TRANSMISSION ♦ WAVEGUIDES
Abstract We present the design of a magnetoplasmonic Mach-Zehnder interferometer (MZI) modulator facilitating radio-frequency (RF) mixing and nonlinear frequency generation. This is achieved by forming the MZI arms from long-range dielectric-loaded plasmonic waveguides containing bismuth-substituted yttrium iron garnet (Bi:YIG). The magnetization of the Bi:YIG can be driven in the nonlinear regime by RF magnetic fields produced around adjacent transmission lines. Correspondingly, the nonlinear temporal dynamics of the transverse magnetization component are mapped onto the nonreciprocal phase shift in the MZI arms, and onto the output optical intensity signal. We show that this tunable mechanism can generate harmonics, frequency splitting, and frequency down-conversion with a single RF excitation, as well as RF mixing when driven by two RF signals. This magnetoplasmonic component can reduce the number of electrical sources required to generate distinct optical modulation frequencies and is anticipated to satisfy important applications in integrated optics.
ISSN 00036951
Educational Use Research
Learning Resource Type Article
Publisher Date 2016-07-04
Publisher Place United States
Journal Applied Physics Letters
Volume Number 109
Issue Number 1


Open content in new tab

   Open content in new tab