Lynford L Goddard

2019

Efficient large-scale scattering analysis of objects in a stratified medium

Zhang, K., Goddard, L. L. & Jin, J. M., Jan 1 2019, (Accepted/In press) In : International Journal of Numerical Modelling: Electronic Networks, Devices and Fields. e2656.

Research output: Contribution to journal › Article

Scattering

Distributed computer systems

Computational efficiency

Boundary conditions

Finite element method

Enhanced Environmental Scanning Electron Microscopy Using Phase Reconstruction and Its Application in Condensation

Zhang, L., Zhu, J., Wilke, K. L., Xu, Z., Zhao, L., Lu, Z., Goddard, L. L. & Wang, E. N., Feb 26 2019, In : ACS Nano. 13, 2, p. 1953-1960 8 p.

Research output: Contribution to journal › Article

Condensation

condensation

Scanning electron microscopy

scanning electron microscopy

Imaging techniques

High performance fully etched isotropic microring resonators in thin-film lithium niobate on insulator platform

Bahadori, M., Yang, Y., Goddard, L. L. & Gong, S., Jul 22 2019, In : Optics Express. 27, 15, p. 22025-22039 15 p.

Research output: Contribution to journal › Article

lithium niobates

extinction

platforms

resonators

insulators

Optical inspection of nanoscale structures using a novel machine learning based synthetic image generation algorithm

Purandare, S., Zhu, J., Zhou, R., Popescu, G., Schwing, A. & Goddard, L. L., Jan 1 2019, In : Optics Express. 27, 13, p. 17743-17762 20 p.

Research output: Contribution to journal › Article

machine learning

inspection

defects

education

wafers

Realization of alignment-tolerant grating couplers for z-cut thin-film lithium niobate

Kar, A., Bahadori, M., Gong, S. & Goddard, L. L., Jan 1 2019, In : Optics Express. 27, 11, p. 15856-15867 12 p.

Research output: Contribution to journal › Article

lithium niobates

misalignment

couplers

alignment

gratings

Regularized pseudo-phase imaging for inspecting and sensing nanoscale features

Zhu, J., Zhou, R., Zhang, L., Ge, B., Luo, C. & Goddard, L. L., Jan 1 2019, In : Optics Express. 27, 5, p. 6719-6733 15 p.

Research output: Contribution to journal › Article

signal to noise ratios

Rayleigh scattering

hardware

microscopes

microscopy

Sensing Sub-10 nm Wide Perturbations in Background Nanopatterns Using Optical Pseudoelectrodynamics Microscopy (OPEM)

Zhu, J., Liu, Y., Yu, X., Zhou, R., Jin, J. M. & Goddard, L. L., Aug 14 2019, In : Nano letters. 19, 8, p. 5347-5355 9 p.

Research output: Contribution to journal › Article

Optical microscopy

microscopy

perturbation

Rayleigh scattering

Electrodynamics

Voxelized topology optimization for fabrication-compatible inverse design of 3D photonic devices

Udupa, A., Zhu, J. & Goddard, L. L., Jul 22 2019, In : Optics Express. 27, 15, p. 21988-21998 11 p.

Research output: Contribution to journal › Article

topology

photonics

fabrication

optimization

lithography

2018

Controlling photonic nanojets: From the standpoint of eigenmodes

Zhu, J. & Goddard, L. L., Jan 2018, In : IEEE Photonics Technology Letters. 30, 1, p. 75-78 4 p.

Research output: Contribution to journal › Article

Photonics

photonics

matrix theory

Photolithography

engineers

Passive wavelength tuning and multichannel photonic coupling using monolithically integrated vertical microresonators on ridge waveguides

Yu, X., Goddard, L. L., Zhu, J., Li, X. & Chen, X., Jan 8 2018, In : Applied Physics Letters. 112, 2, 021108.

Research output: Contribution to journal › Article

ridges

tuning

photonics

waveguides

wavelengths

Plasmonic Metal-Insulator-Metal Capped Polymer Nanopillars for SERS Analysis of Protein-Protein Interactions

Hackett, L. P., Li, W., Ameen, A., Goddard, L. L. & Liu, G. L., Mar 22 2018, In : Journal of Physical Chemistry C. 122, 11, p. 6255-6266 12 p.

Research output: Contribution to journal › Article

Polymers

Metals

insulators

proteins

Proteins

Selective area formation of arsenic oxide-rich octahedral microcrystals during photochemical etching of n-type GaAs

Udupa, A., Yu, X., Edwards, L. & Goddard, L. L., Feb 1 2018, In : Optical Materials Express. 8, 2, 313215.

Research output: Contribution to journal › Article

Microcrystals

Arsenic

Oxides

Etching

Lighting

Spectrometer-Free Plasmonic Biosensing with Metal-Insulator-Metal Nanocup Arrays

Hackett, L. P., Ameen, A., Li, W., Dar, F. K., Goddard, L. L. & Liu, G. L., Feb 23 2018, In : ACS Sensors. 3, 2, p. 290-298 9 p.

Research output: Contribution to journal › Article

Spectrometers

Metals

insulators

spectrometers

Gold

2017

Diffraction phase microscopy imaging and multi-physics modeling of the nanoscale thermal expansion of a suspended resistor

Wang, X., Lu, T., Yu, X., Jin, J. M. & Goddard, L. L., Dec 1 2017, In : Scientific reports. 7, 1, 4602.

Research output: Contribution to journal › Article

Physics

Microscopy

Hot Temperature

Lighting

Temperature

Label-free cell-substrate adhesion imaging on plasmonic nanocup arrays

Hackett, L. P., Seo, S., Kim, S., Goddard, L. L. & Liu, G. L., Feb 1 2017, In : Biomedical Optics Express. 8, 2, p. 1139-1151 13 p.

Research output: Contribution to journal › Article

Cell Adhesion

Refractometry

adhesion

cells

Equipment and Supplies

Plasmonic nanocone arrays for rapid and detailed cell lysate surface enhanced Raman spectroscopy analysis

Hackett, L. P., Goddard, L. L. & Liu, G. L., Dec 7 2017, In : Analyst. 142, 23, p. 4422-4430 9 p.

Research output: Contribution to journal › Article

Raman Spectrum Analysis

Raman spectroscopy

substrate

Substrates

Guanine

Plasmonic Sensing of Oncoproteins without Resonance Shift Using 3D Periodic Nanocavity in Nanocup Arrays

Ameen, A., Hackett, L. P., Seo, S., Dar, F. K., Gartia, M. R., Goddard, L. L. & Liu, G. L., Jun 2 2017, In : Advanced Optical Materials. 5, 11, 1601051.

Research output: Contribution to journal › Article

Oncogene Proteins

shift

Carcinoembryonic Antigen

sensors

Sensors

Realization of palladium-based optomechanical cantilever hydrogen sensor

McKeown, S. J., Wang, X., Yu, X. & Goddard, L. L., Jan 1 2017, In : Microsystems and Nanoengineering. 3, 16087.

Research output: Contribution to journal › Article

Palladium

palladium

Hydrogen

sensors

Sensors

Reflective Palladium Nanoapertures on Fiber for Wide Dynamic Range Hydrogen Sensing

McKeown, S. J. & Goddard, L. L., Mar 1 2017, In : IEEE Journal on Selected Topics in Quantum Electronics. 23, 2, 7589070.

Research output: Contribution to journal › Article

Palladium

dynamic range

palladium

apertures

Hydrogen

Theorical and numerical analysis of an all-optical delta-sigma modulator

Davoudzadeh, N., Goddard, L. L. & Sayeh, M. R., May 1 2017, In : Microwave and Optical Technology Letters. 59, 5, p. 1168-1173 6 p.

Research output: Contribution to journal › Article

Delta sigma modulation

Modulators

numerical analysis

Numerical analysis

modulators

2016

Application of measurement configuration optimization for accurate metrology of sub-wavelength dimensions in multilayer gratings using optical scatterometry

Zhu, J., Shi, Y., Goddard, L. L. & Liu, S., Sep 1 2016, In : Applied Optics. 55, 25, p. 6844-6849 6 p.

Research output: Contribution to journal › Article

Diffraction gratings

metrology

Multilayers

gratings

Wavelength

Enhanced axial confinement in a monolithically integrated self-rolled-up SiN_x vertical microring photonic coupler

Yu, X., Goddard, L. L., Li, X. & Chen, X., Sep 12 2016, In : Applied Physics Letters. 109, 11, 111104.

Research output: Contribution to journal › Article

couplers

photonics

S band

C band

silicon nitrides

Quantitative phase imaging of weakly scattering objects using partially coherent illumination

Nguyen, T. H., Edwards, C., Goddard, L. L. & Popescu, G., May 30 2016, In : Optics Express. 24, 11, p. 11683-11693 11 p.

Research output: Contribution to journal › Article

illumination

defocusing

scattering

halos

condensers

Spatial control of photonic nanojets

Zhu, J. & Goddard, L. L., Dec 26 2016, In : Optics Express. 24, 26, p. 30444-30464 21 p.

Research output: Contribution to journal › Article

photonics

cascades

spherical caps

microstructure

flexibility

2015

A zeroth-order modification of coupled mode theory for waveguide gratings

Kamali, S. M., Arbabi, E. & Goddard, L. L., Apr 1 2015, In : IEEE Photonics Technology Letters. 27, 7, p. 790-793 4 p., 7010020.

Research output: Contribution to journal › Article

coupled modes

Waveguides

gratings

waveguides

perturbation

Grating integrated single mode microring laser

Arbabi, A., Kamali, S. M., Arbabi, E., Griffin, B. G. & Goddard, L. L., Feb 23 2015, In : Optics Express. 23, 4, p. 5335-5347 13 p.

Research output: Contribution to journal › Article

laser modes

lasing

gratings

lasers

footprints

Hydrogen detection using a single palladium nano-aperture on a fiber tip

McKeown, S. J. & Goddard, L. L., Jan 1 2015, In : Springer Series in Surface Sciences. 56, p. 181-208 28 p.

Research output: Contribution to journal › Article

Palladium

Hydrogen

Fibers

Sensors

Fiber optics

Measuring the Nonuniform Evaporation Dynamics of Sprayed Sessile Microdroplets with Quantitative Phase Imaging

Edwards, C., Arbabi, A., Bhaduri, B., Wang, X., Ganti, R., Yunker, P. J., Yodh, A. G., Popescu, G. & Goddard, L. L., Oct 13 2015, In : Langmuir. 31, 40, p. 11020-11032 13 p.

Research output: Contribution to journal › Article

Evaporation

evaporation

Imaging techniques

evaporation rate

liquid-solid interfaces

Monolithically integrated self-rolled-up microtube-based vertical coupler for three-dimensional photonic integration

Yu, X., Arbabi, E., Goddard, L. L., Li, X. & Chen, X., Jul 20 2015, In : Applied Physics Letters. 107, 3, 031102.

Research output: Contribution to journal › Article

couplers

ridges

photonics

waveguides

extinction

2014

Diffraction phase microscopy: Monitoring nanoscale dynamics in materials science [invited]

Edwards, C., Zhou, R., Hwang, S. W., McKeown, S. J., Wang, K., Bhaduri, B., Ganti, R., Yunker, P. J., Yodh, A. G., Rogers, J. A., Goddard, L. L. & Popescu, G., Sep 20 2014, In : Applied Optics. 53, 27, p. G33-G43

Research output: Contribution to journal › Article

Materials science

materials science

imaging techniques

Microscopic examination

Diffraction

Diffraction phase microscopy: Principles and applications in materials and life sciences

Bhaduri, B., Edwards, C., Pham, H., Zhou, R., Nguyen, T. H., Goddard, L. L. & Popescu, G., 2014, In : Advances in Optics and Photonics. 6, 1, p. 57-119 63 p.

Research output: Contribution to journal › Article

life sciences

materials science

microscopy

diffraction

etching

Dissolution chemistry and biocompatibility of single-crystalline silicon nanomembranes and associated materials for transient electronics

Hwang, S. W., Park, G., Edwards, C., Corbin, E. A., Kang, S. K., Cheng, H., Song, J. K., Kim, J. H., Yu, S., Ng, J., Lee, J. E., Kim, J., Yee, C., Bhaduri, B., Omennetto, F. G., Huang, Y., Bashir, R., Goddard, L., Popescu, G., Lee, K. M. & 1 others, Rogers, J. A., Jun 24 2014, In : ACS Nano. 8, 6, p. 5843-5851 9 p.

Research output: Contribution to journal › Article

biocompatibility

Silicon

Biocompatibility

dissolving

Dissolution

Effects of spatial coherence in diffraction phase microscopy

Edwards, C., Bhaduri, B., Nguyen, T., Griffin, B. G., Pham, H., Kim, T., Popescu, G. & Goddard, L. L., Mar 10 2014, In : Optics Express. 22, 5, p. 5133-5146 14 p.

Research output: Contribution to journal › Article

artifacts

spatial filtering

microscopy

halos

diffraction

Epi-illumination diffraction phase microscopy with white light

Edwards, C., Bhaduri, B., Griffin, B. G., Goddard, L. L. & Popescu, G., Jan 1 2014, In : Optics Letters. 39, 21, p. 6162-6165 4 p.

Research output: Contribution to journal › Article

illumination

microscopy

tradeoffs

diffraction

shot

Fast and accurate finite element analysis of large-scale three-dimensional photonic devices with a robust domain decomposition method

Xue, M. F., Kang, Y. M., Arbabi, A., McKeown, S. J., Goddard, L. L. & Jin, J. M., Feb 24 2014, In : Optics Express. 22, 4, p. 4437-4452 16 p.

Research output: Contribution to journal › Article

photonics

decomposition

simulation

distributed memory

memory (computers)

Hybrid whispering gallery mode/plasmonic chain ring resonators for biosensing

Arbabi, E., Kamali, S. M., Arnold, S. & Goddard, L. L., Dec 8 2014, In : Applied Physics Letters. 105, 23, 231107.

Research output: Contribution to journal › Article

whispering gallery modes

resonators

rings

antinodes

silicon dioxide

In situ measurements of the axial expansion of palladium microdisks during hydrogen exposure using diffraction phase microscopy

Edwards, C., McKeown, S. J., Zhou, J., Popescu, G. & Goddard, L. L., Jan 1 2014, In : Optical Materials Express. 4, 12, p. 2559-2564 6 p.

Research output: Contribution to journal › Article

Palladium

Hydrogen

Microscopic examination

Diffraction

Lighting

Inverse scattering solutions using low-coherence light

Zhou, R., Kim, T., Goddard, L. L. & Popescu, G., Aug 1 2014, In : Optics Letters. 39, 15, p. 4494-4497 4 p.

Research output: Contribution to journal › Article

inverse scattering

tomography

vector spaces

diffraction

interferometry

Modal expansion approach for accurately computing resonant modes in a high-Q optical resonator

Kang, Y. M., Xue, M., Arbabi, A., Jin, J. & Goddard, L. L., Feb 1 2014, In : Microwave and Optical Technology Letters. 56, 2, p. 278-284 7 p.

Research output: Contribution to journal › Article

Optical resonators

optical resonators

linear systems

Linear systems

Q factors

Nanoscale topography and spatial light modulator characterization using wide-field quantitative phase imaging

Rajshekhar, G., Bhaduri, B., Edwards, C., Zhou, R., Goddard, L. L. & Popescu, G., Feb 10 2014, In : Optics Express. 22, 3, p. 3432-3438 7 p.

Research output: Contribution to journal › Article

light modulators

topography

shot

field of view

stabilization

Quantitative phase imaging with partially coherent illumination

Nguyen, T. H., Edwards, C., Goddard, L. L. & Popescu, G., Oct 1 2014, In : Optics Letters. 39, 19, p. 5511-5514 4 p.

Research output: Contribution to journal › Article

illumination

halos

phase contrast

illuminating

artifacts

White-light diffraction tomography of unlabelled live cells

Kim, T., Zhou, R., Mir, M., Babacan, S. D., Carney, P. S., Goddard, L. L. & Popescu, G., Mar 1 2014, In : Nature Photonics. 8, 3, p. 256-263 8 p.

Research output: Contribution to journal › Article

Tomography

tomography

Diffraction

cells

diffraction

2013

Demonstration of enhanced side-mode suppression in metal-filled photonic crystal vertical cavity lasers

Griffin, B. G., Arbabi, A., Tan, M. P., Kasten, A. M., Choquette, K. D. & Goddard, L. L., Jun 1 2013, In : Optics Letters. 38, 11, p. 1936-1938 3 p.

Research output: Contribution to journal › Article

laser cavities

retarding

photonics

surface emitting lasers

metals

Detecting 20 nm wide defects in large area nanopatterns using optical interferometric microscopy

Zhou, R., Edwards, C., Arbabi, A., Popescu, G. & Goddard, L. L., Aug 14 2013, In : Nano Letters. 13, 8, p. 3716-3721 6 p.

Research output: Contribution to journal › Article

Optical microscopy

microscopy

Defects

defects

Lasers

Deterministic signal associated with a random field

Kim, T., Zhu, R., Nguyen, T. H., Zhou, R., Edwards, C., Goddard, L. L. & Popescu, G., Sep 9 2013, In : Optics Express. 21, 18, p. 20806-20820 15 p.

Research output: Contribution to journal › Article

statistics

wave equations

power spectra

plane waves

wolves

Digital projection photochemical etching defines gray-scale features

Edwards, C., Wang, K., Zhou, R., Bhaduri, B., Popescu, G. & Goddard, L. L., Jun 3 2013, In : Optics Express. 21, 11, p. 13547-13554 8 p.

Research output: Contribution to journal › Article

gray scale

projection

etching

projectors

irradiance

Engineering the sensitivity and response time of edge-emitting laser hydrogen sensors

Griffin, B. G., Arbabi, A. & Goddard, L. L., Jul 31 2013, In : IEEE Sensors Journal. 13, 8, p. 3098-3105 8 p., 6509439.

Research output: Contribution to journal › Article

Ridge waveguides

Palladium

palladium

ridges

engineering

Fast phase reconstruction in white light diffraction phase microscopy

Pham, H. V., Edwards, C., Goddard, L. L. & Popescu, G., Jan 1 2013, In : Applied Optics. 52, 1, p. A97-A101

Research output: Contribution to journal › Article

Interferometry

Microscopic examination

interferometry

Diffraction

microscopy

Measurements of the refractive indices and thermo-optic coefficients of Si₃N₄ and SiO_x using microring resonances

Arbabi, A. & Goddard, L. L., Oct 1 2013, In : Optics Letters. 38, 19, p. 3878-3881 4 p.

Research output: Contribution to journal › Article

vapor deposition

optics

refractivity

silicon nitrides

coefficients

2012

Dynamics of self-heating in microring resonators

Arbabi, A. & Goddard, L. L., Sep 17 2012, In : IEEE Photonics Journal. 4, 5, p. 1702-1711 10 p., 6275461.

Research output: Contribution to journal › Article

Resonators

resonators

Heating

heating

linear systems