Lynford L Goddard

Search results

• 2022

  Compact MZI modulators on thin film Z-cut lithium niobate

  Hassanien, A. E., Ghoname, A. O., Chow, E., Goddard, L. L. & Gong, S., Jan 31 2022, In: Optics Express. 30, 3, p. 4543-4552 10 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • lithium niobates 100%
  • modulators 82%
  • optical waveguides 70%
  • thin films 48%
  • traveling wave modulation 48%
• 2021

  Efficient and wideband acousto-optic modulation on thin-film lithium niobate for microwave-to-photonic conversion

  Hassanien, A. E., Link, S., Yang, Y., Chow, E., Goddard, L. L. & Gong, S., Jul 1 2021, In: Photonics Research. 9, 7, p. 1182-1190 9 p.

  Research output: Contribution to journal › Article › peer-review

  • Photonics 70%
  • acousto-optics 69%
  • Lithium 68%
  • lithium niobates 64%
  • Thin films 57%
• 2020

  Direct laser writing of volumetric gradient index lenses and waveguides

  Ocier, C. R., Richards, C. A., Bacon-Brown, D. A., Ding, Q., Kumar, R., Garcia, T. J., van de Groep, J., Song, J. H., Cyphersmith, A. J., Rhode, A., Perry, A. N., Littlefield, A. J., Zhu, J., Xie, D., Gao, H., Messinger, J. F., Brongersma, M. L., Toussaint, K. C., Goddard, L. L. & Braun, P. V., Dec 3 2020, In: Light: Science and Applications. 9, 1, 196.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Refractive index 100%
  • Waveguides 78%
  • Lenses 77%
  • Refractive Index 73%
  • Lasers 57%

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

  Zhang, K., Goddard, L. L. & Jin, J. M., Mar 1 2020, In: International Journal of Numerical Modelling: Electronic Networks, Devices and Fields. 33, 2, e2656.

  Research output: Contribution to journal › Article › peer-review

  • Scattering 100%
  • Distributed computer systems 55%
  • Computational efficiency 51%
  • Boundary conditions 40%
  • FETI-DP 33%

• Fundamental electro-optic limitations of thin-film lithium niobate microring modulators

  Bahadori, M., Goddard, L. L. & Gong, S., Apr 27 2020, In: Optics Express. 28, 9, p. 13731-13749 19 p.

  Research output: Contribution to journal › Article › peer-review

  • lithium niobates 100%
  • electro-optics 90%
  • modulators 82%
  • thin films 48%
  • resonators 47%

• Quasi-Newtonian Environmental Scanning Electron Microscopy (QN-ESEM) for Monitoring Material Dynamics in High-Pressure Gaseous Environments

  Zhu, J., Zhang, L., Li, X., Wilke, K. L., Wang, E. N. & Goddard, L. L., Oct 1 2020, In: Advanced Science. 7, 19, 2001268.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Electron Scanning Microscopy 100%
  • Scattering 96%
  • Scanning electron microscopy 80%
  • Pressure 66%
  • scanning electron microscopy 66%

• Theory of coupled harmonics and its application to resonant and non-resonant electro-optic modulators

  Bahadori, M., Yang, Y., Hassanien, A. E., Goddard, L. L. & Gong, S., Oct 15 2020, In: Journal of Lightwave Technology. 38, 20, p. 5756-5767 12 p., 9116832.

  Research output: Contribution to journal › Article › peer-review

  • electro-optics 100%
  • modulators 90%
  • harmonics 72%
  • traveling waves 44%
  • frequency response 28%

• Ultra-efficient and fully isotropic monolithic microring modulators in a thin-film lithium niobate photonics platform

  Bahadori, M., Yang, Y., Hassanien, A. E., Goddard, L. L. & Gong, S., Sep 28 2020, In: Optics Express. 28, 20, p. 29644-29661 18 p.

  Research output: Contribution to journal › Article › peer-review

  • lithium niobates 100%
  • modulators 82%
  • platforms 80%
  • photonics 65%
  • thin films 48%

• Visualizable detection of nanoscale objects using anti-symmetric excitation and non-resonance amplification

  Zhu, J., Udupa, A. & Goddard, L. L., Dec 1 2020, In: Nature communications. 11, 1, 2754.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Evanescent Wave 100%
  • nonresonance 99%
  • Fluorescence Method 83%
  • Nanowires 57%
  • microscopes 54%
• 2019

  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 › peer-review

  • Condensation 100%
  • condensation 87%
  • Scanning electron microscopy 78%
  • scanning electron microscopy 64%
  • Scanning Electron Microscopy 59%

• 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 › peer-review

  • lithium niobates 100%
  • extinction 80%
  • platforms 80%
  • resonators 71%
  • insulators 69%

• 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., 2019, In: Optics Express. 27, 13, p. 17743-17762 20 p.

  Research output: Contribution to journal › Article › peer-review

  • machine learning 100%
  • inspection 73%
  • education 46%
  • defects 43%
  • wafers 23%

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

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

  Research output: Contribution to journal › Article › peer-review

  • lithium niobates 100%
  • misalignment 93%
  • couplers 90%
  • alignment 73%
  • gratings 68%

• Regularized pseudo-phase imaging for inspecting and sensing nanoscale features

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

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • signal to noise ratios 100%
  • Rayleigh scattering 68%
  • hardware 58%
  • microscopes 46%
  • microscopy 42%

• 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 › peer-review

  • Electrodynamics 99%
  • Optical microscopy 71%
  • Dimension 49%
  • microscopy 46%
  • Force 44%

• 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 › peer-review

  Open Access

  • topology 100%
  • photonics 79%
  • optimization 75%
  • fabrication 69%
  • lithography 38%
• 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 › peer-review

  • Photonics 100%
  • photonics 60%
  • Shape 56%
  • Photolithography 54%
  • matrix theory 52%

• 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 › peer-review

  • ridges 100%
  • tuning 75%
  • photonics 69%
  • waveguides 66%
  • wavelengths 47%

• 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 › peer-review

  • Nanopillar 83%
  • Proteins 53%
  • proteins 46%
  • insulators 42%
  • Polymers 42%

• 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 › peer-review

  • Microcrystals 100%
  • Crystals 55%
  • Etching 50%
  • Oxides 48%
  • Arsenic Oxide 47%

• 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 › peer-review

  • Spectrometers 80%
  • spectrometers 51%
  • insulators 50%
  • Metals 43%
  • Simulation 43%
• 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 › peer-review

  • Physics 100%
  • Microscopy 68%
  • Hot Temperature 63%
  • Lighting 30%
  • Temperature 19%

• 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 › peer-review

  Open Access

  • Refractometry 100%
  • Cell Adhesion 86%
  • adhesion 77%
  • cells 49%
  • Equipment and Supplies 27%

• 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 › peer-review

  • Nanocone 100%
  • Raman spectroscopy 90%
  • Raman Spectrum Analysis 89%
  • Substrates 47%
  • substrate 46%

• 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 › peer-review

  • Antigens 46%
  • antigens 43%
  • sensors 41%
  • shift 41%
  • Antigen 38%

• Realization of palladium-based optomechanical cantilever hydrogen sensor

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

  Research output: Contribution to journal › Article › peer-review

  • Palladium 100%
  • palladium 81%
  • Hydrogen 60%
  • hydrogen 46%
  • sensors 46%

• Reflective Palladium Nanoapertures on Fiber for Wide Dynamic Range Hydrogen Sensing

  McKeown, S. J. & Goddard, L. L., Mar 1 2017, In: IEEE Journal of Selected Topics in Quantum Electronics. 23, 2, p. 263-268 6 p., 7589070.

  Research output: Contribution to journal › Article › peer-review

  • Palladium 100%
  • palladium 81%
  • dynamic range 71%
  • Hydrogen 60%
  • apertures 58%

• 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 › peer-review

  • Delta sigma modulation 100%
  • Modulators 67%
  • numerical analysis 60%
  • Numerical analysis 57%
  • modulators 56%
• 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 › peer-review

  • Diffraction gratings 100%
  • metrology 62%
  • Multilayers 62%
  • gratings 46%
  • optimization 42%

• 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 › peer-review

  • couplers 100%
  • photonics 72%
  • S band 65%
  • C band 60%
  • ridges 52%

• 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 › peer-review

  Open Access

  • illumination 100%
  • defocusing 76%
  • scattering 67%
  • halos 59%
  • condensers 39%

• 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 › peer-review

  • photonics 100%
  • cascades 75%
  • spherical caps 41%
  • microstructure 34%
  • flexibility 26%
• 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 › peer-review

  • Waveguides 100%
  • coupled modes 94%
  • gratings 70%
  • perturbation 65%
  • waveguides 65%

• 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 › peer-review

  • laser modes 100%
  • lasing 79%
  • gratings 63%
  • lasers 28%
  • footprints 24%

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

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

  Research output: Contribution to journal › Article › peer-review

  • Palladium 100%
  • Hydrogen 60%
  • Fibers 51%
  • Sensors 38%
  • Diffraction gratings 23%

• 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 › peer-review

  • Evaporation 100%
  • Imaging techniques 76%
  • evaporation 76%
  • evaporation rate 30%
  • liquid-solid interfaces 27%

• 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 › peer-review

  • ridges 100%
  • couplers 94%
  • photonics 69%
  • waveguides 66%
  • extinction 28%
• 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 › peer-review

  • Materials science 100%
  • materials science 88%
  • Microscopic examination 88%
  • Diffraction 87%
  • imaging techniques 79%

• 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 › peer-review

  • life sciences 100%
  • materials science 83%
  • microscopy 53%
  • diffraction 40%
  • etching 19%

• 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 › peer-review

  • Biocompatibility 100%
  • biocompatibility 97%
  • Dissolution 86%
  • Crystalline materials 85%
  • dissolving 74%

• 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 › peer-review

  • artifacts 100%
  • spatial filtering 93%
  • microscopy 75%
  • halos 65%
  • diffraction 57%

• Epi-illumination diffraction phase microscopy with white light

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

  Research output: Contribution to journal › Article › peer-review

  • illumination 100%
  • microscopy 92%
  • tradeoffs 77%
  • diffraction 70%
  • shot 62%

• 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 › peer-review

  • decomposition 100%
  • photonics 90%
  • simulation 50%
  • distributed memory 41%
  • memory (computers) 37%

• 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 › peer-review

  • whispering gallery modes 100%
  • resonators 64%
  • rings 58%
  • silicon dioxide 43%
  • antinodes 40%

• 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., 2014, In: Optical Materials Express. 4, 12, p. 2559-2564 6 p.

  Research output: Contribution to journal › Article › peer-review

  • Palladium 100%
  • Microscopic examination 81%
  • Diffraction 81%
  • Hydrogen 60%
  • Lighting 20%

• 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 › peer-review

  • inverse scattering 100%
  • tomography 50%
  • vector spaces 28%
  • diffraction 22%
  • interferometry 18%

• 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 › peer-review

  • Optical resonators 100%
  • optical resonators 72%
  • linear systems 65%
  • Resonators 54%
  • Linear systems 52%

• 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 › peer-review

  • light modulators 100%
  • topography 86%
  • characterization 52%
  • shot 44%
  • field of view 43%

• 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 › peer-review

  • illumination 100%
  • halos 79%
  • phase contrast 49%
  • illuminating 43%
  • artifacts 40%

• 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 2014, In: Nature Photonics. 8, 3, p. 256-263 8 p.

  Research output: Contribution to journal › Article › peer-review

  • Diffraction 100%
  • Tomography 89%
  • tomography 73%
  • Dimension 70%
  • Red 64%