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Plasma nanotexturing of silicon surfaces for photovoltaics applications: Influence of initial surface finish on the evolution of topographical and optical properties

November 27, 2017

Author(s)

Guillaume Fischer, Etienne Drahi, Martin Foldyna, Thomas Germer, Erik V. Johnson

Using a plasma to generate a surface texture with feature sizes on the order of nanometers ("nanotexturing") is a promising technique being considered for application in thin, high- efficiency crystalline silicon solar cells. This study investigates the

Two-dimensional imaging and modification of nanophotonic resonator modes using a focused ion beam

November 20, 2017

Author(s)

William R. McGehee, Thomas Michels, Vladimir A. Aksyuk, Jabez J. McClelland

We report 2D imaging of the optical mode intensity of silicon microdisk resonators using a pulsed, low-energy focused ion beam of Li+. The ion beam locally modifies the resonator structure, causing temporally varying spectroscopic shifts of the optical

Aperiodic nanoplasmonic devices for directional colour filtering and sensing

November 7, 2017

Author(s)

Matthew S. Davis, Wenqi Zhu, Ting Xu, Jay K. Lee, Henri Lezec, Amit Agrawal

Nonlinear optical polarization response and plasma generation in noble gases: Comparison of MESA models to experiments

October 30, 2017

Author(s)

Jared K. Wahlstrand, Anand Bahl, Sina Zahedpour, H M. Milchberg, Miroslav Kolesik

The nonlinear polarization response and plasma generation in noble gases produced by high- intensity optical pulses, modeled by the metastable electronic state approach, are verified against three-dimensional, space-and-time resolved measurements with

Perspectives for a new realization of the pascal by optical methods

October 24, 2017

Author(s)

Jay H. Hendricks, Karl Jousten, Jack A. Stone Jr., Patrick F. Egan, Tom Rubin, Christof Gaiser, Rene Schodel, James A. Fedchak, Jacob E. Ricker, Jens Fluegge, Stephen P. Eckel, Julia K. Scherschligt, Daniel S. Barker, Kevin O. Douglass, Gregory F. Strouse, Uwe Sterr, Waldimir Sabuga

Since the beginning of measurement of pressure in the 17th century, the unit of pressure has been defined by the relationship of force per unit area. The present state of optical technology now offers the possibility of using a thermodynamic definition

MCMLpar and MCSLinv: A Parallel Version of MCML and an Inverse Monte Carlo Algorithm to Calculate Optical Scattering Parameters

October 20, 2017

Author(s)

Richelle H. Streater, Anne-Michelle R. Lieberson, Adam L. Pintar, Zachary H. Levine

The MCML program for Monte Carlo modeling of light transport in multi-layered tissues has been widely used in the past 20 years or so. Here, we have re-implemented MCML for solving the inverse problem. Our formulation features optimizing the profile log

Polarized optical scattering by inhomogeneities and surface roughness in an anisotropic thin film

October 16, 2017

Author(s)

Thomas A. Germer, Katelynn A. Sharma, Thomas G. Brown, James B. Oliver

We extend the theory of Kassam et al. [J. Opt. Soc. Am. A 12, 2009-2021 (1995)] for scattering by oblique columnar structure thin films to include the induced form birefringence and the propagation of radiation in those films. We generalize the 4 x 4

Surface plasmon polariton laser based on a metallic trench Fabry-Perot resonator

October 6, 2017

Author(s)

Wenqi Zhu, Ting Xu, Haozhu Wang, Cheng Zhang, Parag B. Deotare, Amit K. Agrawal, Henri J. Lezec

Recent years have witnessed growing interest in the development of lasers with small footprint for their potential applications in small-volume sensing and on-chip optical communications. Surface-plasmons electromagnetic modes evanescently confined to

Si-traceable top-of-the-atmosphere lunar irradiance: Potential tie-points to the output of the ROLO Model

October 3, 2017

Author(s)

Steven W. Brown, Robert E. Eplee, Xiaoxiong Xiong

The United States Geological Survey (USGS) has developed an empirical model, known as the Robotic Lunar Observatory (ROLO) Model, that predicts the reflectance of the Moon for any Sun-sensor-Moon configuration over the spectral range from 350 nm to 2500 nm

All-silicon light-emitting diodes waveguide-integrated with superconducting single-photon detectors

October 2, 2017

Author(s)

Sonia M. Buckley, Jeffrey T. Chiles, Adam N. McCaughan, Galan Moody, Kevin L. Silverman, Martin J. Stevens, Richard P. Mirin, Sae Woo Nam, Jeffrey M. Shainline

An on-chip, silicon-compatible light source has long been pursued for telecommunications, with limited success. However, for integrated systems utilizing superconducting detectors, cryogenic operation is already required. This allows these systems to

Report for Dedicated JPSS VIIRS Ocean Color Calibration/Validation Cruise October 2016

October 2, 2017

Author(s)

Michael Ondrusek, Veronica P. Lance, Menghua Wang, Charles Kovach, Wesley Goode, Alex Gilerson, Sam Ahmed, Ahmed El-Habashi, Robert Foster, Matteo Ottaviani, Joaquim I. Goes, Helga de Rosario Gomes, Kali McKee, Joo Won Kang, Chuanmin Hu, Jennifer Cannizzaro, Shaojie Sun, David English, B. Carol Johnson, Zhongping Lee, Junfang Lin, Nicholas Tufillaro, Ivan Lalovic, Jasmine Nahorniak, Curtiss Davis, Mike Twardowski, Nicole Stockley, Kenneth Voss

The overall aim of the annual National Oceanic and Atmospheric Administration (NOAA) dedicated Joint Polar Satellite System (JPSS) Visible Infrared Imaging Radiometer Suite (VIIRS) ocean color calibration/validation (cal/val) cruises is to support

Temperature dependence of nonlinearity in high-speed, high-power photodetectors

September 30, 2017

Author(s)

Josue Davila-Rodriguez, Holly Leopardi, Tara Fortier, Xiaojun Xie, Joe C. Campbell, James Booth, Nate Orloff, Scott Diddams, Franklyn Quinlan

We present an experimental study of the nonlinearity of modified uni-traveling carrier (MUTC) photodiodes at cryogenic temperatures. At 120 K, the amplitudeto-phase (AM-to-PM) conversion nonlinearity is reduced by up to 10 dB, resulting in nearly 40 dB AM

Local measurements of photocurrent and band gap in CdTe solar cells

September 25, 2017

Author(s)

Yohan Yoon, Jungseok Chae, Aaron M. Katzenmeyer, Heayoung Yoon, Joshua D. Schumacher, Sang M. An, Andrea Centrone, Nikolai B. Zhitenev

Polycrystalline thin film technology has shown great promise for low cost, high efficiency photovoltaics. To further increase the power efficiency, a firm understanding of microstructural properties of the devices is required. In this work, we investigate

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