Professor Sih is investigating electron spins and photons in semiconductor nanostructures for potential applications in spin-based devices that combine logic and storage and for quantum and optical information processing in solid-state systems. Ultrafast, spatially-resolved magneto-optical spectroscopy explores electron spin coherence and electrically generating spin polarization in non-magnetic materials through spin-orbit coupling and the spin hall effect. The study of fabrication and optical characterization of prototype photonic devices, such as waveguides, ring resonators and photonic crystals, focuses on developing novel methods for controlling light.
Current-Induced Spin Polarization in Anisotropic Spin-Orbit Fields, (B. M. Norman, C. J. Trowbridge, D. D. Awschalom, and V. Sih), Physical Review Letters 112, 056601 (2014).
Improving Nanophotonic Cavity Designs with the Gravitational Search Algorithm, (T. W. Saucer and V. Sih), Optics Express 21, 20831-20836 (2013).
Spin Lifetime Measurements in GaAsBi Thin Films, (B. Pursley, M. Luengo-Kovac, G. Vardar, R. S. Goldman, and V. Sih), Applied Physics Letters 102, 022420 (2013).
Time-Resolved Two-Pulse Excitation of Quantum Dots Coupled to a Photonic Crystal Cavity in the Purcell Regime, (J. Lee, T. W. Saucer, A. J. Martin, J. M. Millunchick, and V. Sih), Physical Review Letters 110, 013602 (2013).
Surface Plasmon Resonances of Ga Nanoparticle Arrays, (M. Kang, T. W. Saucer, M. V. Warren, J. H. Wu, H. Sun, V. Sih, and R. S. Goldman), Applied Physics Letters 101, 081905 (2012).
Electron Spin Polarization-based Integrated Photonic Devices, (C. J. Trowbridge, B. M. Norman, J. Stephens, A. C. Gossard, D. D. Awschalom, and V. Sih), Optics Express 19, 14845-14851 (2011).
Photoluminescence Imaging of Focused Ion Beam Induced Individual Quantum Dots, (J.-E. Lee, T. W. Saucer, A. J. Martin, D. Tien, J. M. Millunchick, and V. Sih), Nano Letters 11, 1040-1043 (2011).
Mapping Spin-Orbit Splitting in Strained (In,Ga) As Epilayers, (B. M. Norman, C. J. Trowbridge, J. Stephens, A. C. Gossard, D. D. Awschalom, and V. Sih), Physical Review B 82, 081304(R) (2010).