Dr. John M. Zavada Profile

Dr. John M. Zavada

Adjunct Professor

SPIE Involvement:

Conference Program Committee | Editor | Author

Publications (13)

Proceedings Article | 24 February 2016 Paper

Optical excitation of Er centers in GaN epilayers grown by MOCVD

D. George, M. Hawkins, H. Jiang, J. Lin, J. Zavada, N. Vinh

Proceedings Volume 9744, 97440V (2016) https://doi.org/10.1117/12.2209695

KEYWORDS: Erbium, Gallium nitride, Luminescence, Semiconductors, Active optics, Chemical vapor deposition, Electrons, Signal detection, Spectroscopy

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Proceedings Article | 12 March 2010 Paper

Magnetic cages of GaN nanoclusters doped with Gd and Nd

Vijay Kumar, John Zavada

Proceedings Volume 7602, 76020E (2010) https://doi.org/10.1117/12.842449

KEYWORDS: Chemical species, Gallium nitride, Gadolinium, Neodymium, Magnetism, Gallium, Electronics, Electrons, Doping, Ferromagnetics

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Proceedings Article | 26 February 2010 Paper

1.54 μm emitter and optical amplifier based on Er doped InGaN/GaN

R. Dahal, J. Y. Lin, H. X. Jiang, J. M. Zavada

Proceedings Volume 7598, 759819 (2010) https://doi.org/10.1117/12.842325

KEYWORDS: Erbium, Light emitting diodes, Gallium nitride, Optical amplifiers, Absorption, Metalorganic chemical vapor deposition, Semiconductors, Ions, Photonic integrated circuits, Photonic devices

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Proceedings Article | 17 February 2010 Paper

Enhanced 5-µm emission in Tm,Tb: KPb[sub]2[/sub]Br[sub]5[/sub] and Tm,Nd:KPb[sub]2[/sub]Br[sub]5[/sub] for mid-infrared laser applications

A. Bluiett, D. Peele, K. Norman, E. Brown, U. Hommerich, S. Trivedi, J. Zavada

Proceedings Volume 7578, 75782I (2010) https://doi.org/10.1117/12.842188

KEYWORDS: Thulium, Energy transfer, Neodymium, Terbium, Absorption, Ions, Energy efficiency, Laser applications, Bromine, Mid-IR

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Proceedings Article | 28 February 2006 Paper

Mid-infrared (3-5 μm) emission from rare earth doped KPb₂Br₅

U. Hömmerich, Ei Ei Nyein, P. Amedzake, S. Trivedi, J. Zavada

Proceedings Volume 6100, 61000G (2006) https://doi.org/10.1117/12.643918

KEYWORDS: Dysprosium, Absorption, Neodymium, Erbium, Crystals, Fluorine, Phonons, Solid state lasers, Bromine, Laser applications

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Proceedings Article | 28 February 2006 Paper

Realization of tunable photonic crystals based on the metal-insulator transition of VO₂

D. Xiao, K. Kim, J. Zavada, G. Lazzi

Proceedings Volume 6128, 61280A (2006) https://doi.org/10.1117/12.643920

KEYWORDS: Dielectrics, Finite-difference time-domain method, Transition metals, Wave propagation, Semiconductors, Photonic crystals, Electrodes, Silicon, Modulation, Photonic integrated circuits

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Proceedings Article | 22 February 2006 Paper

GaN light-emitting triodes for high-efficiency hole injection and light emission

Jong Kyu Kim, J.-Q. Xi, Hong Luo, Jaehee Cho, Cheolsoo Sone, Yongjo Park, Thomas Gessmann, J. Zavada, H. Jiang, E. Fred Schubert

Proceedings Volume 6134, 61340K (2006) https://doi.org/10.1117/12.647453

KEYWORDS: Light emitting diodes, Ultraviolet radiation, Electron beam lithography, Aluminum, Gallium, Laser sintering, Gallium nitride, Ultraviolet light emitting diodes, Superlattices, Energy efficiency

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Proceedings Article | 21 June 2004 Paper

Analysis of nitride-based quantum well LEDs and novel white LED design

Dong Xiao, Ki Kim, Salah Bedair, John Zavada

Proceedings Volume 5366, (2004) https://doi.org/10.1117/12.524424

KEYWORDS: Quantum wells, Light emitting diodes, Gallium, Gallium nitride, Indium nitride, Optical properties, Chromium, Dielectric polarization, Polarization, Indium gallium nitride

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Proceedings Article | 17 April 2000 Paper

Optical properties of AlN/sapphire grown at high and low temperatures studied by variable angle spectroscopic ellipsometry and micro Raman scattering

Chunhui Yan, H. Walter Yao, Amber Abare, Steven DenBaars, Jody Klaassen, M. Rosamond, Peter Chow, John Zavada

Proceedings Volume 3938, (2000) https://doi.org/10.1117/12.382820

KEYWORDS: Phonons, Sapphire, Raman scattering, Spectroscopic ellipsometry, High temperature raman spectroscopy, Raman spectroscopy, Reflection, Gallium nitride, Solids, Temperature metrology

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Proceedings Article | 13 April 2000 Paper

Effect of impurity concentration on 1.54 um emission from GaN:Er

Cammy Abernathy, Mark Overberg, John Mackenzie, Uwe Hoemmerich, Stephen Pearton, R. Wilson, John Zavada

Proceedings Volume 3942, (2000) https://doi.org/10.1117/12.382882

KEYWORDS: Erbium, Gallium nitride, Carbon, Luminescence, Oxygen, Atomic force microscopy, Scanning electron microscopy, Gallium, Surface roughness, Doping

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Proceedings Article | 14 April 1999 Paper

Optical anisotropy of GaN/sapphire studied by generalized ellipsometry and Raman scattering

Chunhui Yan, H. Walter Yao, James Van Hove, Andrew Wowchak, Peter Chow, John Zavada

Proceedings Volume 3621, (1999) https://doi.org/10.1117/12.344490

KEYWORDS: Gallium nitride, Sapphire, Phonons, Anisotropy, Raman scattering, Raman spectroscopy, Ellipsometry, Astatine, Optical components, Polarization

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Proceedings Article | 1 April 1999 Paper

1.55-um Er-doped GaN LED

Hongen Shen, Jagadeesh Pamulapati, Monica Taysing-Lara, M. Wood, Richard Lareau, Matthew Ervin, John Mackenzie, Fan Ren, Corinne Abernathy, John Zavada

Proceedings Volume 3622, (1999) https://doi.org/10.1117/12.344498

KEYWORDS: Erbium, Gallium nitride, Silicon, Semiconductors, Electroluminescence, Annealing, Ions, Dielectrics, Light emitting diodes, Diodes

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Proceedings Article | 20 January 1994 Paper

BMDO/U.S. Army electronics and optical materials research program

Robert Trew, John Zavada

Proceedings Volume 2042, (1994) https://doi.org/10.1117/12.166299

KEYWORDS: Defense and security, Electronics, Missiles, Defense technologies, Laser development, Light emitting diodes, Semiconductor materials, Defense systems, Semiconductors

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Showing 5 of 13 publications

Proceedings Volume Editor (7)

SPIE Conference Volume | 15 November 2017

Terahertz Emitters, Receivers, and Applications VIII

SPIE Conference Volume | 13 December 2016

Terahertz Emitters, Receivers, and Applications VII

SPIE Conference Volume | 9 September 2015

Terahertz Emitters, Receivers, and Applications VI

SPIE Conference Volume | 7 October 2014

Terahertz Emitters, Receivers, and Applications V

SPIE Conference Volume | 10 October 2013

Terahertz Emitters, Receivers, and Applications IV

Showing 5 of 7 publications

Conference Committee Involvement (53)

Optical Components and Materials XXII

27 January 2025 | San Francisco, California, United States

Optical Components and Materials XXI

29 January 2024 | San Francisco, California, United States

Optical Components and Materials XX

30 January 2023 | San Francisco, California, United States

Optical Components and Materials XIX

24 January 2022 | San Francisco, California, United States

Optical Components and Materials XVIII

6 March 2021 | Online Only, California, United States

Optical Components and Materials XVII

4 February 2020 | San Francisco, California, United States

Optical Components and Materials XVI

4 February 2019 | San Francisco, California, United States

Optical Components and Materials XV

29 January 2018 | San Francisco, California, United States

Terahertz Emitters, Receivers, and Applications VIII

6 August 2017 | San Diego, California, United States

Biosensing and Nanomedicine X

6 August 2017 | San Diego, California, United States

Optical Components and Materials XIV

30 January 2017 | San Francisco, California, United States

Quantum Sensing and Nano Electronics and Photonics XIV

29 January 2017 | San Francisco, California, United States

Biosensing and Nanomedicine IX

28 August 2016 | San Diego, California, United States

Terahertz Emitters, Receivers, and Applications VII

28 August 2016 | San Diego, California, United States

Optical Components and Materials XIII

15 February 2016 | San Francisco, California, United States

Quantum Sensing and Nano Electronics and Photonics XIII

14 February 2016 | San Francisco, California, United States

Terahertz Emitters, Receivers, and Applications VI

11 August 2015 | San Diego, California, United States

Biosensing and Nanomedicine VIII

9 August 2015 | San Diego, California, United States

Optical Components and Materials XII

9 February 2015 | San Francisco, California, United States

Quantum Sensing and Nanophotonic Devices XII

8 February 2015 | San Francisco, California, United States

Biosensing and Nanomedicine VII

17 August 2014 | San Diego, California, United States

Terahertz Emitters, Receivers, and Applications V

17 August 2014 | San Diego, California, United States

Optical Components and Materials XI

3 February 2014 | San Francisco, California, United States

Quantum Sensing and Nanophotonic Devices XI

2 February 2014 | San Francisco, California, United States

Biosensing and Nanomedicine III

25 August 2013 | San Diego, California, United States

Terahertz Emitters, Receivers, and Applications IV

25 August 2013 | San Diego, California, United States

Optical Components and Materials X

5 February 2013 | San Francisco, California, United States

Quantum Sensing and Nanophotonic Devices X

3 February 2013 | San Francisco, California, United States

Infrared Optoelectronics: Materials and Devices

4 September 2012 | Evanston, Illinois, United States

Terahertz Emitters, Receivers, and Applications III

12 August 2012 | San Diego, California, United States

Biosensing and Nanomedicine II

12 August 2012 | San Diego, California, United States

Optical Components and Materials IX

25 January 2012 | San Francisco, California, United States

Quantum Sensing and Nanophotonic Devices IX

22 January 2012 | San Francisco, California, United States

Single-Photon Imaging II

24 August 2011 | San Diego, California, United States

Terahertz Emitters, Receivers, and Applications II

21 August 2011 | San Diego, California, United States

Biosensing and Nanomedicine

21 August 2011 | San Diego, California, United States

Optical Components and Materials VIII

25 January 2011 | San Francisco, California, United States

Quantum Sensing and Nanophotonic Devices VIII

23 January 2011 | San Francisco, California, United States

Single-Photon Imaging

4 August 2010 | San Diego, California, United States

Biosensing III

1 August 2010 | San Diego, California, United States

Terahertz Emitters, Receivers, and Applications

1 August 2010 | San Diego, California, United States

Optical Components and Materials VII

26 January 2010 | San Francisco, California, United States

Optical Components and Materials VI

26 January 2009 | San Jose, California, United States

Light-Emitting Diodes: Research, Manufacturing, and Applications XII

22 January 2008 | San Jose, California, United States

Optical Components and Materials V

21 January 2008 | San Jose, California, United States

Light-Emitting Diodes: Research, Manufacturing, and Applications XI

24 January 2007 | San Jose, California, United States

Optical Components and Materials IV

22 January 2007 | San Jose, California, United States

Light-Emitting Diodes: Research, Manufacturing, and Applications X

25 January 2006 | San Jose, California, United States

GaN Materials and Devices

23 January 2006 | San Jose, California, United States

Light-Emitting Diodes: Research, Manufacturing, and Applications IX

25 January 2005 | San Jose, California, United States

Light-Emitting Diodes: Research, Manufacturing, and Applications VIII

27 January 2004 | San Jose, CA, United States

Ultrafast Phenomena in Semiconductors VII

29 January 2003 | San Jose, CA, United States

Light-Emitting Diodes: Research, Manufacturing, and Applications VII

28 January 2003 | San Jose, CA, United States

Showing 5 of 53 Conference Committees

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