Zobrazeno 1 - 10
of 104
pro vyhledávání: '"Grote, Richard R."'
Publikováno v:
Diamond and Related Materials 84, 20 (2018)
Single-crystal diamond plates with surfaces oriented in a (111) crystal plane are required for high-performance solid-state device platforms ranging from power electronics to quantum information processing architectures. However, producing plates wit
Externí odkaz:
http://arxiv.org/abs/1712.03882
Autor:
Grote, Richard R., Huang, Tzu-Yung, Mann, Sander A., Hopper, David A., Exarhos, Annemarie L., Lopez, Gerald G., Garnett, Erik C., Bassett, Lee C.
Publikováno v:
Nature Communications 10, 2392 (2019)
Solid-state quantum emitters have emerged as robust single-photon sources and addressable spins: key components in rapidly developing quantum technologies for broadband magnetometry, biological sensing, and quantum information science. Performance in
Externí odkaz:
http://arxiv.org/abs/1711.00901
Publikováno v:
ACS Nano, Article ASAP (2018)
Nanodiamonds containing nitrogen-vacancy (NV) centers offer a versatile platform for sensing applications spanning from nanomagnetism to in-vivo monitoring of cellular processes. In many cases, however, weak optical signals and poor contrast demand l
Externí odkaz:
http://arxiv.org/abs/1709.00465
Autor:
Exarhos, Annemarie L., Hopper, David A., Grote, Richard R., Alkauskas, Audrius, Bassett, Lee C.
Publikováno v:
ACS Nano 11, 3328 (2017)
Hexagonal boron nitride (h-BN) is a tantalizing material for solid-state quantum engineering. Analogously to three-dimensional wide-bandgap semiconductors like diamond, h-BN hosts isolated defects exhibiting visible fluorescence, and the ability to p
Externí odkaz:
http://arxiv.org/abs/1609.02641
Publikováno v:
Phys. Rev. B 94, 241201 (2016)
We utilize nonlinear absorption to design all-optical protocols that improve both charge state initialization and spin readout for the nitrogen-vacancy (NV) center in diamond. Non-monotonic variations in the equilibrium charge state as a function of
Externí odkaz:
http://arxiv.org/abs/1606.06600
Autor:
Grote, Richard R., Bassett, Lee C.
Publikováno v:
APL Photonics 1, 071302 (2016)
High-refractive-index semiconductor optical waveguides form the basis for modern photonic integrated circuits (PICs) , but the conventional methods of achieving optical confinement require a thick lower-refractive-index support layer that impedes lar
Externí odkaz:
http://arxiv.org/abs/1601.01239
Autor:
Grote, Richard R., Souhan, Brian, Ophir, Noam, Driscoll, Jeffrey B., Bergman, Keren, Bakhru, Hassaram, Green, William M. J., Osgood Jr, Richard M.
Silicon photonics has recently been proposed for a diverse set of applications at mid-infrared wavelengths, the implementation of which require on-chip photodetectors. In planar geometries, dopant-based extrinsic photoconductors have long been used f
Externí odkaz:
http://arxiv.org/abs/1406.6420
Autor:
Lavdas, Spyros, Zhao, Shuang, Driscoll, Jeffrey B., Grote, Richard R., Osgood, Richard M., Panoiu, Nicolae C.
We present a theoretical analysis supported by comprehensive numerical simulations of quasi phase-matched four-wave mixing (FWM) of ultrashort optical pulses that propagate in weakly width-modulated silicon photonic nanowire gratings. Our study revea
Externí odkaz:
http://arxiv.org/abs/1405.7434
Autor:
Lavdas, Spyros, Driscoll, Jeffrey B., Jiang, Hongyi, Grote, Richard R., Osgood, Jr., Richard M., Panoiu, Nicolae C.
We study the generation of parabolic self-similar optical pulses in tapered Si photonic nanowires (Si-PhNWs) both at telecom (\lambda=1.55 \mu m) and mid-IR (\lambda=2.2 \mu m) wavelengths. Our computational study is based on a rigorous theoretical m
Externí odkaz:
http://arxiv.org/abs/1307.1506
We describe surface patterning strategies that permit high photon-collection efficiency together with high carrier-collection efficiency in an ultra-thin planar heterojunction organic photovoltaic cell. Optimized designs reach up to 50% photon collec
Externí odkaz:
http://arxiv.org/abs/1201.4325