Scholars@Duke
Nan Marie Jokerst

Nan Marie Jokerst

J. A. Jones Distinguished Professor of Electrical and Computer Engineering
Pierre R. Lamond Department of Electrical and Computer Engineering
nan.jokerst@duke.edu
Box 90291, Durham, NC 27708-0291
FCIEMAS 3589, Durham, NC 27708

Scholarly Works - Conferences

Strain mapping with THz metamaterial composites

Conference Optics Infobase Conference Papers · January 1, 2021 Terahertz metamaterials that exhibit broad spectral resonances are used to probe local strain fields. By choosing specific frequencies and polarizations for measurement, it is possible to obtain unique spatial maps for different strain states. ... Cite

Strain Mapping with THz Metamaterial Composites

Conference International Conference on Infrared Millimeter and Terahertz Waves Irmmw Thz · November 8, 2020 Terahertz metamaterials with strain-sensitive junctions are introduced to identify structurally compromised regions of composite materials. Spatially mapping the local polarimetric metamaterial response visualizes and records regions of stress extrema expe ... Full text Cite

Depth-sensitive tissue measurements using a multi-pixel photodetector probe

Conference Optics Infobase Conference Papers · January 1, 2020 A densely-packed, custom multi-pixel photodetector probe permits spatially resolved diffuse reflectance (SRDR) measurements of phantoms of varying thicknesses, showing high signal contrast between thin phantoms and high depth sensitivity. ... Cite

Strain sensing with THz metamaterial composites

Conference Optics Infobase Conference Papers · January 1, 2020 Terahertz metamaterials with strain-sensitive junctions are introduced to identify structurally compromised regions of composite materials. Spatially mapping the local polarimetric metamaterial response visualizes and records regions of stress extrema expe ... Cite

Tissue characterization using a multi-pixel sensor system and partial least squares regression

Conference Optics Infobase Conference Papers · January 1, 2020 Diffuse reflectance spectroscopy systems often exhibit low SNR, reducing tissue characterization accuracy. We present a new analysis showing lower SNR requirements when partial least squares regression is used for prediction instead of more traditional tec ... Cite

Spatially resolved diffuse reflectance spectroscopy of tumor and normal excised human colon with thin film Si sensors

Conference Optics Infobase Conference Papers · January 1, 2019 Spatially resolved diffuse reflectance spectroscopy of normal and cancerous ex-vivo human colon tissue using a thin film Si photodiode array sensor is presented as a step toward the realization of in-vivo endoscopic spectral tissue characterization. ... Full text Cite

Integrated Thin Film Silicon Detectors for Fluorescence Sensing

Conference Proceedings of IEEE Sensors · December 26, 2018 The design, fabrication and test of a thin film Si chip-scale fluorescence sensor designed for integration with microfluidic systems isG reported. The photodetector has low dark current (pA) and responsivity of 0.3 A/W at 532 nm. Droplets of 10 microliter ... Full text Cite

A custom multi-pixel photodetector probe and partial least squares regression for the efficient identification of optical tissue properties

Conference Optics Infobase Conference Papers · January 1, 2018 Diffuse reflectance spectroscopy performed using a custom photodetector array combined with partial least squares regression increases the accuracy of optical tissue property extraction. Prediction accuracies of 4.15% (us), 9.02% (ua) are report ... Full text Cite

Custom Thin Film Si photodiode arrays for endoscopic spatially resolved diffuse reflectance measurements

Conference 2017 Conference on Lasers and Electro Optics CLEO 2017 Proceedings · October 25, 2017 The design, fabrication, and initial experimental characterization of the first thin film Si photodiode spatially resolved DRS probe targeting endoscopic applications is reported. ... Full text Cite

Custom thin film Si photodiode arrays for endoscopic spatially resolved diffuse reflectance measurements

Conference Optics Infobase Conference Papers · January 1, 2017 The design, fabrication, and initial experimental characterization of the first thin film Si photodiode spatially resolved DRS probe targeting endoscopic applications is reported. ... Full text Cite

Concentric silicon thin film photodiode arrays for endoscopic spatially resolved diffuse reflectance spectroscopy

Conference Optics Infobase Conference Papers · January 1, 2017 Screening for precancerous gastrointestinal dysplasia can be performed noninvasively by diffuse reflectance spectroscopy (DRS). The first spatially resolved DRS system using Si photodetectors optimized for endoscopic applications is reported herein. ... Full text Cite

High pixel density concentric si spatially resolved diffuse reflectance probe: Wide absorption range phantom study

Conference Proceedings of IEEE Sensors · January 5, 2016 An innovative densely packed silicon photodiode array enables measurements of spatially- and spectrally resolved diffuse reflectance from liquid phantoms with a wide range of absorption concentrations. Experimentally measured reflectance spectra and the fo ... Full text Cite

Spatially resolved reflectance spectroscopy of two-layer turbid media by densely packed multi-pixel photodiode reflectance probe

Conference Progress in Biomedical Optics and Imaging Proceedings of SPIE · January 1, 2016 Spatially-resolved diffuse reflectance (SRDR) measurements provide photon path information, and enable layered tissue analysis. This paper presents experimental SRDR measurements on two-layer PDMS skin tissue-mimicking phantoms of varying top layer thickne ... Full text Cite

Spatially resolved diffuse reflectance Si probes for tissue characterization over a wide scattering range

Conference 2015 IEEE Photonics Conference IPC 2015 · November 9, 2015 An innovative, custom photodiode array with small, densely packed pixels enabled measurements of spatially resolved diffuse reflectance from liquid phantoms with a wide range of scatterer concentrations. ... Full text Cite

Concentric Si annular photodiode arrays for spatially resolved diffuse reflectance spectroscopy

Conference Conference on Lasers and Electro Optics Europe Technical Digest · August 10, 2015 This paper describes the design, fabrication, and test of a custom concentric PD array for spatially resolved diffuse reflectance (SRDR) measurements. To the best of our knowledge, this is the first reported compact, densely packed semiconductor SRDR probe ... Cite

Concentric Si annular photodiode arrays for spatially resolved diffuse reflectance spectroscopy

Conference CLEO Applications and Technology CLEO at 2015 · May 4, 2015 This paper describes the design, fabrication, and test of a custom concentric PD array for spatially resolved diffuse reflectance (SRDR) measurements. To the best of our knowledge, this is the first reported compact, densely packed semiconductor SRDR probe ... Full text Cite

Concentric multi-pixel photodiode array probes for optical tissue characterization

Conference Optical Sensors Sensors 2015 · January 1, 2015 This paper reports on new custom concentric Si PD array probes for spatially resolved diffuse reflectance (SRDR) measurements. Monte Carlo simulations were conducted to analyze malignancies buried in benign tissue. © 2015 OSA. ... Full text Cite

Integrating sensing and information processing in an electrical and computer engineering undergraduate curriculum

Conference Proceedings Frontiers in Education Conference Fie · December 1, 2009 The Department of Electrical and Computer Engineering Duke University has completed a full-scale redesign of its undergraduate program based on the theme of Integrated Sensing and Information Processing. This theme provides a coherent, overarching framewor ... Full text Cite

Physical design of optoelectronic system-on-a-package: A CAD tool and algorithms

Conference Proceedings International Symposium on Quality Electronic Design Isqed · December 1, 2005 We propose a new approach to the physical design of optoelectronic system-on-a-package (SOP) using optical waveguide interconnect technology. The objective is to improve the performance of SOP by replacing long distance electrical interconnects with optica ... Full text Cite

Organic planar lightwave integrated circuits for sensing and interconnections

Conference Optics Infobase Conference Papers · January 1, 2005 Polymer waveguides and optical structures such as microcavity sensors can be utilized in planar lightwave integrated circuits, which combine passive and active optical and/or electronic components in a planar format. © 2005 OSA. ... Full text Cite

Heterogeneous integration of optical interconnects

Conference Optics Infobase Conference Papers · January 1, 2005 Optical interconnections at the board and chip levels are being integrated into traditional electrical interconnection systems using heterogeneous integration of thin film active optoelectronic devices (photodetectors, lasers) and passive waveguiding struc ... Full text Cite

Planar Lightwave Integrated Circuits Using Thin Film Optoelectronic Devices

Conference Optics Infobase Conference Papers · January 1, 2004 The integration of thin film optoelectronic devices with polymer waveguides creates optical signal propagation, distribution, and processing in a planar waveguide format. These planar lightwave integrated circuits are appropriate for applications such as o ... Cite

Modal pattern analysis of multimode interferometric sensors applied to fully integrated silicon-based chem/bio sensors

Conference Optics Infobase Conference Papers · January 1, 2004 A multimode, Mach-Zehnder, interferometric chem/bio sensor with sensitivity developed through modal pattern tracking and analysis is demonstrated on silicon. Simulated and experimental data, show that integrated structures of length <5000 µm together with ... Cite

Large Area, High Speed InGaAs Thin Film MSMs for Heterogeneously Integrated Optoelectronics

Conference Optics Infobase Conference Papers · January 1, 2003 Thin film InGaAs photodetectors for heterogeneously integrated optoelectronics are demonstrated with low dark current (0.16nA at 5V), and high speed (3ps rise time, 6.3ps FWHM), large area (40 µm), and good responsivity (0.19A/W at 5V). ... Cite

Polymer Waveguide Optical Interconnections on Si CMOS Circuits

Conference Optics Infobase Conference Papers · January 1, 2002 Cite

A Bi-directional Optical Link Using a Stacked Thin Film Emitter and Detector

Conference Optics Infobase Conference Papers · January 1, 2002 Cite

Polymer Waveguide Optical Interconnections for Electrical Interconnection Substrates

Conference Optics Infobase Conference Papers · January 1, 2002 Cite

High density packaging in 2010 and beyond

Conference Proceedings of the 4th International Symposium on Electronic Materials and Packaging Emap 2002 · January 1, 2002 As microsystems continue to move towards higher speed and microminiaturization, the demands for interconnection density both on the IC and the package increases tremendously. With the shift towards nano ICs by 2003 with 100 nm features, pitch of area array ... Full text Cite

Recent advances in III-nitride devices grown on lithium gallate

Conference PHYSICA STATUS SOLIDI A-APPLIED RESEARCH · November 23, 2001 Link to item Cite

CMOS optical receiver with integrated InGaAs thin-film inverted MSM detector operating up to 250 Mbps

Conference IEEE/LEOS 1996 SUMMER TOPICAL MEETINGS - ADVANCED APPLICATIONS OF LASERS IN MATERIALS AND PROCESSING, DIGEST · January 1, 1996 Link to item Cite

A 155 Mbps digital transmitter using GaAs thin film LEDs bonded to silicon driver circuits

Conference IEEE/LEOS 1996 SUMMER TOPICAL MEETINGS - ADVANCED APPLICATIONS OF LASERS IN MATERIALS AND PROCESSING, DIGEST · January 1, 1996 Link to item Cite

A smart pixel bi-directional optical link using co-located emitters and detectors

Conference IEEE/LEOS 1996 SUMMER TOPICAL MEETINGS - ADVANCED APPLICATIONS OF LASERS IN MATERIALS AND PROCESSING, DIGEST · January 1, 1996 Link to item Cite

Three Dimensional Integration of an 8x8 Array of Thin Film GaAs/AlGaAs Photodetectors with Vertical Electrical Interconnects to Underlying Silicon Circuitry

Conference Optics Infobase Conference Papers · January 1, 1995 This paper reports the three dimensional integration of an 8x8 array of individually addressable thin film GaAs based photodetectors with vertical electrical interconnects to underlying silicon circuitry. This array demonstrated a yield of 100%. ... Cite

Silicon VLSI processing architectures incorporating integrated optoelectronic devices

Conference Proceedings 16th Conference on Advanced Research in VLSI Arvlsi 1995 · January 1, 1995 Integrated optoelectronic interconnects offer a potentially lower cost, higher density alternative to wire-based technologies for I/O and inter-chip communication. This paper outlines two systems being designed at Georgia Tech which incorporate integrated ... Full text Cite

A fine-grain, high-throughput architecture using through-wafer optical interconnect

Conference Proceedings of the 1st International Workshop on Massively Parallel Processing Using Optical Interconnections MPPOI 1994 · January 1, 1994 This paper presents a highly parallel, three dimensionally interconnected system to process high-throughput stream data such as images. Optical interconnect at wavelengths to which silicon is transparent is used to create the 3D system. Thin film InP/InGaA ... Full text Cite

Optoelectronic Integration of Thin Film Devicesfor Photonic Interconnect

Conference Leos 1993 Summer Topical Meeting Digest on Optical Microwave Interactions Visible Semiconductor Lasers Impact of Fiber Nonlinearities on Lightwave Systems Hybrid Optoelectronic Integration and Packaging Gigabit Networks Leosst 1993 · January 1, 1994 Full text Cite

Thin Film Resonant Cavity Enhanced Photodetectors

Conference Leos 1993 Summer Topical Meeting Digest on Optical Microwave Interactions Visible Semiconductor Lasers Impact of Fiber Nonlinearities on Lightwave Systems Hybrid Optoelectronic Integration and Packaging Gigabit Networks Leosst 1993 · January 1, 1994 Full text Cite

Epitaxial lift-off thin film GaAs metal-semiconductor-metal photodetectors with back passivation

Conference Conference Proceedings Lasers and Electro Optics Society Annual Meeting LEOS · January 1, 1992 Full text Cite

Absorption measurements of doped thin film InP for solar cell modeling

Conference LEOS 1992 Summer Topical Meeting Digest on Broadband Analog and Digital Optoelectronics Optical Multiple Access Networks Integrated Optoelectronics and Smart Pixels 4th International Conference on Indium Phosphide and Related Materials Iprm 1992 · January 1, 1992 The first direct transmission measurement of above bandedge absorption coefficients in InP are reported in this paper. A new technique for fabricating high quality single crystal InP thin films is used to fabricate the thin films for transmission measureme ... Full text Cite