Search Results - "Holzman, J. F."

Electrodispensing of Microspheroids for Lateral Refractive and Reflective Photonic Elements by Born, B, Landry, E L, Holzman, J F

“…An electrodispensing fabrication process is introduced in this work for the fabrication of microspheroid photonic elements. The fabrication process is suitable…”
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Multitone Photoconductive Sensors for Free-Space Optics by Jin, X., Holzman, J.F.

“…A multitone frequency-biasing technique is applied to an integrated photoconductive (PC) sensor for application to free-space optical (FSO) communication…”
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Two-photon photoconductive terahertz generation in ZnSe by Holzman, J. F., Elezzabi, A. Y.

“…We report on the generation of free-space terahertz (THz) radiation using polycrystalline ZnSe as the photoconductive (PC) substrate. It is found that the ZnSe…”
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Ultrafast photoconductivity of crystalline, polycrystalline, and nanocomposite ZnSe material systems for terahertz applications by Collier, C. M., Holzman, J. F.

“…Ultrafast photoconductivity is studied for crystalline (bulk), polycrystalline (microstructure), and nanocomposite (nanostructure) ZnSe material systems…”
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Ultrafast charge-carrier and phonon dynamics in GaP by Collier, C. M., Born, B., Jin, X., Holzman, J. F.

“…The ultrafast energy relaxation of GaP is analyzed through charge-carrier and phonon dynamics. Early timescales show hot electron intervalley scattering from…”
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Ultrafast photoconductive self-switching of subpicosecond electrical pulses by Holzman, J.F., Vermeulen, F.E., Elezzabi, A.Y.

“…A novel photoconductive switch is proposed. The geometry of this ultrafast switch allows the rising edge of an ultrashort optical pulse to both turn on and…”
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Femtosecond carrier dynamics in an asymmetrically excited GaAs photoconductive switch by Cummings, M. D., Holzman, J. F., Elezzabi, A. Y.

“…We present a detailed analysis of the field screening and carrier dynamics which exist in the high-field region of an asymmetrically excited coplanar…”
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Generation of 1.2 ps electrical pulses through parallel gating in ultrathin silicon photoconductive switches by Holzman, J. F., Vermeulen, F. E., Elezzabi, A. Y.

“…We report on a parallel-gating photoconductive switching technique which is capable of generating ultrashort electrical pulses. Carrier-lifetime-independent…”
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Ultrafast high-field carrier transport in a GaAs photoconductive switch by Cummings, M. D., Holzman, J. F., Elezzabi, A. Y.

“…Utilizing 18 fs optical pulses, field screening, and carrier dynamics which occur in the high-field region of an edge-illuminated coplanar transmission line…”
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Ultrafast all-optical modulation of infrared radiation via metal-semiconductor waveguide structures by Holzman, J.F., Vermeulen, F.E., Elezzabi, A.Y.

“…We present a novel optical-optical semiconductor switching technique for application to infrared laser beam modulation and ultrashort infrared laser pulse…”
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Free-space detection of terahertz radiation using crystalline and polycrystalline ZnSe electro-optic sensors by Holzman, J. F., Vermeulen, F. E., Irvine, S. E., Elezzabi, A. Y.

“…We present an experimental investigation demonstrating the use of single-crystal and polycrystalline ZnSe for the detection of freely propagating terahertz…”
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Error rate performance comparison of coherent and subcarrier intensity modulated optical wireless communications by Niu, Mingbo, Cheng, Julian, Holzman, Jonathan F.

“…A detailed analysis and comparison is carried out for optical wireless communications (OWCs) with coherent and subcarrier-intensity-modulation-based systems,…”
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Error Rate Analysis of M-ary Coherent Free-Space Optical Communication Systems with K-Distributed Turbulence by Mingbo Niu, Julian Cheng, Holzman, J F

“…Coherent free-space optical (FSO) communications is analyzed for long-range, high turbulence FSO systems operating under K-distributed turbulence conditions…”
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Recombination-independent photogeneration of ultrashort electrical pulses by Holzman, J. F., Vermeulen, F. E., Elezzabi, A. Y.

“…We report on the operation of a photoconductive (PC) switch, capable of generating ultrashort electrical pulses. The PC switch geometry employed utilizes the…”
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Visible Light Photoinitiation of Cell-Adhesive Gelatin Methacryloyl Hydrogels for Stereolithography 3D Bioprinting by Wang, Zongjie, Kumar, Hitendra, Tian, Zhenlin, Jin, Xian, Holzman, Jonathan F, Menard, Frederic, Kim, Keekyoung

“…We present the first cell-attachable and visible-light-crosslinkable bioinks based on gelatin methacryloyl (GelMA) with eosin Y (EY) photoinitiation for…”
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Ultrafast Refractometry for Characterization of Nanocomposite Material Systems by Collier, C. M., Jin, X., Holzman, J. F.

“…An ultrafast refractometry technique is introduced for direct characterization of refractive indices, absorption coefficients, and refractive index variances…”
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Integrated photonic retroreflectors for lateral cross-connects and interconnects by Landry, E L, Born, B, Ross, G, Holzman, J F

“…A new photonic architecture for integrated retroreflection is presented. High contact angle polymer microdroplets are dispensed in ambient filler solutions to…”
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Picosecond free-carrier recombination in indium phosphide photonic crystals by Holzman, J.F., Strasser, P., Wuest, R., Robin, F., Erni, D., Jackel, H.

“…Free-carrier generation and recombination dynamics are studied in InP photonic crystals using an ultrafast time-resolved reflectivity setup. It is found that…”
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Photoconductive sensors for distributed optical sensing by Barg, J E, Jin, X, Wiltshire, M, Abolhasani, M, Holzman, J F

“…A new photoconductive (PC) architecture for sensing in distributed free-space optical (FSO) communication environments is presented. The structure is comprised…”
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Coherent Wireless Optical Communications With Predetection and Postdetection EGC Over Gamma-Gamma Atmospheric Turbulence Channels by Mingbo Niu, Schlenker, J., Julian Cheng, Holzman, J. F., Schober, R.

“…Wireless optical communication systems with coherent detection are analyzed for Gamma-Gamma distributed turbulence channels. In addition to the shot noise, we…”
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