Todd E. Harvey

Publications

High efficiency generation of THz from 1550-nm: exceeding the Manley-Rowe limit with photoconductive emitters

May 28, 2018

Author(s):

A Feldman, Todd E. Harvey, Richard P. Mirin, A. Mingardi, W-D. Zhang, E. R. Brown

Two photoconductive emitters - one with a self-complementary square spiral antenna, and the other with a resonant slot antenna - were fabricated on a GaAs...

Abrupt dependence of ultrafast extrinsic photoconductivity on er fraction in gaas:er

July 01, 2017

Author(s):

Elliott Brown, A. Mingardi, W-D. Zhang, Ari D. Feldman, Todd E. Harvey, Richard P. Mirin

We present a study of room-temperature, ultrafast photoconductivity associated with strong, sub-bandgap, resonant absorption around {lamba} = 1550 nm in three...

Optical amplitude and Phase Modulation Dynamics at the Single Photon Level in a Quantum Dot Ridge Waveguide

November 17, 2016

Author(s):

Galan A. Moody, Corey A. McDonald, Ari D. Feldman, Todd E. Harvey, Richard P. Mirin, Kevin L. Silverman

The amplitude and phase of a materials nonlinear optical response provide insight into the underlying electronic and exciton dynamics that determine its...

Comparison of CBED and ABF Atomic Imaging for GaN Polarity Determination

November 08, 2016

Author(s):

Alexana Roshko, Matthew D. Brubaker, Paul T. Blanchard, Kristine A. Bertness, Todd E. Harvey, Igor Levin, R.H. Geiss

A comparison of two electron microscopy techniques used to determine the polarity of GaN nanowires is presented. The techniques are convergent beam electron...

Ultra-low-noise monolithic mode-locked solid-state laser

September 01, 2016

Author(s):

T D. Shoji, W Xie, Kevin L. Silverman, Ari D. Feldman, Todd E. Harvey, Richard P. Mirin, Thomas Schibli

Low-noise, high-repetition-rate mode-locked solid-state lasers are attractive for precision measurement and microwave generation, but the best lasers in terms...