2014

Date

Host

Topic

May 22, 2014 Noble Johnson Wide Bandgap Research at Xerox Parc
May 1, 2014 Weng Chow hosts Dieter Bimberg video Green Nanophotonics for Future Datacom and Ethernet Networks (IEEE Photonics Conference 2013)
April 17, 2014 Igal Brener, Mike Coltrin, Ines Montano, Francois Leonard, Jeramy Dickerson/Bob Kaplar, Jon Wierer/Igal Brener Survey of III-nitride physics modeling capabilities
April 10, 2014 Jeff Tsao Postview of Art & Science of S&T Forum & Roundtable
April 3, 2014 Art Fischer QSC-PEC Etching Discussion with Professor Allen Bard
March 20, 2014 Andy Allerman

Jon Wierer

-Postview of DARPA Luster (compact, high-power & efficient UV laser for bio/chem detection workshop)

-Preview of UNM/EC475 Lecture: Brief history of III-nitrides for SSL, from LEDs to laser diodes

March 13, 2014 Jeff Tsao Postviews of UCSB, Strategies in Light, iSPlasma
March 6, 2014 Willie Luk and other LDRD Idea Proposers Sharing of recent LDRD Idea Proposals
February 27, 2014 Robert Fleming Overview of experimental measurements of radiation defects in QASPR semiconductors and devices
February 20, 2014 Paco Leon Impact
February 13, 2014 Jon Wierer, Rick Schneider, Mike Coltrin, George Wang, Mary Crawford Photonics West Review
February 6, 2014 Art Fischer SECANT and potential synergies with wide-bandgap semiconductors
January 30, 2014 Dan Koleske *SWITCHES postview

*Connection between GaN and InGaN Growth Mechanisms and Surface Morphology (J Crystal Growth postview)

January 16, 2014 Mary Crawford Wide Bandgap Nitride LDRD Brainstorming
January 9, 2014 Mike Moseley MBE and MOCVD of Nitrides

 

2013

Date

Host

Topic

January 10, 2013 Mary Crawford Competing Radiative and Non-Radiative Phenomena Brainstorming
January 17, 2013 Ganesh Subramania Journal club discussion of David/Benisty/Weisbuch “Photonic crystal light-emitting sources” article
January 24, 2013 Paul Fuoss (Argonne) In Situ X-Ray Studies of MOCVD Growth
January 31, 2013 Jim Martin QDs: New Ideas for Energy Science (SSL and Beyond)
February 7, 2013 Bob Kaplar and Andy Armstrong Synergies between SSL and PE (Power Electronics) Research: Exploratory Brainstorming Session
February 14, 2013 Bob Kaplar and SSL/PE Researchers Synergies between SSL and PE (Power Electronics) Research: Exploratory Brainstorming Session II
February 21, 2013 Huiwen Xu Mode control in nanowire lasing
February 28, 2013 Mary Crawford, George Wang, Weng Chow, Jeremy Wright, Sheng Liu, Huiwen Xu and Bob Biefeld Strategies in Light Postview;
Photonics West Postview;
DOE SSL Workshop Postview
March 7, 2013 Christian Wetzel (RPI) Nitride epitaxy for better lighting and electronics — an overview at RPI
March 14, 2013 Raymond Sarkissian (USC) Photon Quenching: Possible Alternative to Auger in Explaining Droop
March 21, 2013 Dave Kelley Mechanisms of thermal quenching in quantum dots
March 28, 2013 Jeff Tsao EFRC II Brainstorming Part B: Technology Drivers
April 4, 2013 George Wang and Bob Kaplar 7th Taiwan SSL Symposium Postview;
Update on Sandia’s WBG Center Proposal
April 18, 2013 Jon Wierer Illuminating Engineering Society preview: Lasers for Lighting — A New Technology
April 25, 2013 Jeff Tsao and Ken Lyo Potential for chromaticity tuning using nanodot phosphors;
Quantum Stark effect in nanorods
May 2, 2013 Art Fischer, Weng Chow, George Wang, Jon Wierer, Dan Koleske, Jeff Tsao Potential of QD lasers and LEDs for ultra-efficient SSL
May 9, 2013 Jeff Tsao EFRC II Brainstorming Part C: Foundational Science
May 16, 2013 Mary Crawford Journal Club: Direct Measurement of Auger
May 23, 2013 Weng Chow, Jon Wierer Extracting the C coefficient from laser gain measurements
May 30, 2013 Mary Crawford, Dan Koleske, Randy Creighton, Andy Allerman, Rick Schneider, Karen Waldrip Artificial InGaN Substrates: Why they’d be a big deal and lit review

Challenges to InGaN buffers on sapphire, and to InGaN ELO

Challanges to high-quality high-In-content InGaN group on any artificial substrate

InGaN HVPE

Challenges to GaPN ELO and/or HVPE

Challenges to InGaN crystal growth from solution of melt

June 6, 2013 Jon Wierer, Mary Crawford, Bob Biefeld, George Wang CLEO Preview (Studty of III-N Laser Diodes for SSL)

Continuation of Artificial InGaN Substrates brainstorming

Progress in InGaAs crystal growth solution or melt and implications for InGaN

Challenges to nanowires in which the sidewalls are the artificial InGaN substrate

June 20, 2013 Rohit Prasankumar, Jon Wierer CLEO Postview
June 27. 2013 Willie Luk Light trapping, impedance match and coherent absorption
July 11, 2013 Greg Nielsen, Ben Yang, Jose Cruz-Campa, Anna Tauke-Pedretti, Andy Allerman, Bob Biefeld, Jeff Tsao 39th Photovoltaic Specialists Conference

EMC Postview

Nagoya University Postview

August 1, 2013 Dan Koleske, Bob Biefeld Postview of OMVPE-12
August 8, 2013 Jeff Tsao, Mike Coltrin, Mary Crawford, George Wang, Jon Wierer, Igal Brener EFRC 2 “Ideas” Town Meeting
August 15, 2013 Jeff Tsao Electrochemical nanofabrication brainstorming
August 22, 2013 Mary Crawford Brainstorming with Professor Ted Moustakas
September 5, 2013 Rick Schneider ICNS Postview: Planar Structures
September 12, 2013 George Wang, Mike Coltrin, George Wang ICNS Postview: Non-planar and nano structures ACS Materials and Mechanisms for Efficient Lighting Symposium Postvies
September 19, 2013 Andy Armstrong, Jon Wierer, Rick Schneider EERE SSL FOA Idea Brainstorming
September 26, 2013 Jeff Tsao, Jon Wierer, Mary Crawford, George Wang EFRC 2 Proposed Themes Preview for EAB Meeting
October 3, 2013 Igal Brener, Mike Coltrin, Jeff Tsao Opportunities for SSLS in “Mesoscale Science”

Opportunities for SSLS in “Computational Materials Science and Chemistry”

October 10, 2013 Weng Chow hosts Pallab Bhattacharya video InGaN/GaN Quantum Dot Lasers
October 24, 2013 George Wang & Jeff Tsao, Francois Leonard Postview of North American MBE Conference

Simulations of Electronic Structure in InGaN Nanostructures

October 31, 2013 Xiaowang Zhou Molecular Dynamics Simulations of InGaN Growth: Challenges and Opportunities
November 7, 2013 Jeff Tsao Open discussion on EFRC 2 proposal
November 26, 2013 Weng Chow hosts Yoshi Aoyagi, Noriko Kurose (Ritsumeikan U) Large area DUV light emitting device using dynamically controlled micro-plasma excitation
December 19, 2013 Xiaoyin Xiao, Mike Coltrin, Rick Schneider, Jeff Tsao Photoelectrochemical etching of nanodots: preliminary resutls

2012

Date

Host

Topic

January 5, 2012 Michael Cich and Mike Coltrin My new life at Soraa,
What could we do with rate equation models of LEDs and lasers?
January 12, 2012 Seth Coe-Sullivan Progress in QD Technology at QD Vision
January 19, 2011 Dan Koleske, Weng Chow How growth of GaN barriers affects quality of InGaN quantum wells
Computational models of droop
February 2, 2012 Tania Henry, Jeff, Mary, George, Ganesh, Fred Point defect characterization in m-plane GaN grown by MOCVD
Photonics West Postview
February 6, 2012 Jeff Tsao BES Denver Dry Runs
February 16, 2012 Mike Coltrin Brainstorming on LDRD Idea Proposals
February 23, 2012 Jeff Tsao BES Denver Dry Runs
March 8, 2012 Mike Coltrin Postview of BES Denver Review
March 15, 2012 Jeff Tsao and Alyssa Christy ARPA-E Brainstorming
March 22, 2012 George Cragg Is Auger recombination enhanced by interfacial abruptness in InGaN quantum wells?
March 29, 2012 Fred Schubert High-injection phenomena in GaN-based LEDs
April 5, 2012 Andy Armstrong A coefficient: can we understand the carrier-screened polarization field dependence?
April 12, 2012 Taisuke Ohta Twisted bilayer graphene band structure and measurements
April 19, 2012 Mike Coltrin Feedback from BES Denver Review and Plans for Response
April 26, 2012 Idabelle Courtney and Alyssa Christy NM Take Our Daughters & Sons to Work Day
May 3, 2012 Jon Wierer and Jeremy Wright III-nitride nanowire array solar cells (CLEO practice talk);
Single-mode lasing in GaN nanowires (CLEO practice talk)
May 17, 2012 Michelle Povinelli 3D full-vectorial electromagnetic calculations of nanowire array absorption and emission
May 24, 2012 Albert Baca GaN-based Electronics: What’s Now and What’s Next
May 31, 2012 Bob Karlicek (RPI) Overview of NSF’s Smart Lighting Engineering Research Center
June 7, 2012 Andy Allerman and Qiming Li Postview of ICMOVPE South Korea;
GaN epitaxy on Cu(110)
June 14, 2012 Jeff Tsao, Rohit Prasankumar and Minah Seo Introduce this summer’s SSL high school interns; Tracking charges in Si nanowires using ultrafast pump-probe spectroscopy
June 21, 2012 Jeff Tsao Dry run for Korea International LED and Green Lighting Expo (Perspectives on the Future of SSL: Characteristics, Economics, Approaches)
June 28, 2012 Keith Evans (Kyma) Substrate Considerations for SSL cost and performance
July 12, 2012 Mike Coltrin, Jon Wierer, Jeremy Wright, Jeff Tsao, Weng Chow Postview of EERE/SSL ;Manufacturing Workshop
Postview of CLEO;
Postview of Intl LED and Green Lighting Workshop Korea;
Preview of 21st Intl Laser Physics Workshop Talk: Rabi oscillation at large detuning in a semiconductor QD microcavity system
July 19, 2012 Po-Chieh Hung (Konica Minolta USA) An Analysis of Spectral Power Distributions with Maximum LER for Specified Color Quality and Color Temperature
July 26, 2012 Jeff Tsao SSLS intern presentations
— Emma Johnson: 2030 Projections of Light Consumption assuming saturation
— Justin Sanchez: A model for goal-directed science when progress is random
— Emily Stirrup: Rebound effect in transportation
— Jack Wampler: Wavelength downconversion routes to smart lighting
— Emma and Justin: Musical denouement
August 2, 2012 Bob Kaplar and Bob Biefeld, Mike Coltrin Opportunities for wide-bandgap semiconductors in power electronic; Postview of EERE (Advanced Manufacturing Office) Wide Bandgap Materials Workshop
August 23, 2012 Jeff Tsao Postview of Nobel Symposium on Nanoscale Energy Converters
September 6, 2012 Andy Armstrong Defect-Carrier Interactions Challenge: New Ideas for Energy Science (SSL and Beyond)
September 13, 2012 Kevin Lear (Colorado State University) A CMOS-compatible optical biosensor based on local field detection
September 20, 2012 Jim Riley, Lincoln Lauhon and George Wang New APT results on III-Nitrides
September 27, 2012 Igal Brener Enhanced spontaneous emission: New Ideas for Energy Science (SSL and Beyond)
October 4, 2012 George Wang Wide Bandgap Nanostructures: New Ideas for Energy Science (SSL and Beyond)
October 11, 2012 Art Fischer Beyond Spontaneous Emission Challenge: New Ideas for Energy Science (SSL and Beyond)
October 25, 2012 Mike Coltrin and Andy Allerman Hiking in Madagascar!;
Postview of IWN2012 Sapporo
November 1, 2012 Dan Feezell (UNM) Nonpolar/Semipolar III-Nitrides for High-Efficiency Visible Optoelectronics
November 15, 2012 Tom Picraux The Practice of Research: Art or Science?
November 29, 2012 Jeremy Wright InGaN Photonic Crystal Nanowire Emitters
December 6, 2012 Jeff Tsao and Jon Wierer Postview of EERE SSL LED Roundtable;
Postview of LED 50th Anniversary;
Postview of Asia Communications and Photonics Conference Guangzhou
December 13, 2012 Manos Kioupakis (U Michigan) Auger recombination in nitride LEDs from first-principles calculations

2011

Date

Host

Topic

January 6, 2011 Paul Thurk and Tom Brennan Arch Venture: SSL from a venture capital perspective
January 20, 2011 Peter Smowton (Cardiff Univ) 615-nm red LEDs and lasers: prospects for ultra-high efficiency
January 27, 2011 Tania Henry Defect Characterization of InGaN/GaN MQW LEDs and Non-Polar (m-plane) III-Nitrides
February 10, 2011 Bob Biefeld Rump session: 2011 EERE SSL proposal ideas
February 17, 2011 Alyssa Christy, Chris Monroe, Jerry Simmons, Dan Koleske, George Wang, Mary Crawford and Jeff Tsao Students’ SSL Afternoon at Sandia
February 24, 2011 Taisuke Ohta and Gary Kellogg Mapping lateral electronic properties with LEEM and PEEM: opportunities for imaging GaN nanostructures
March 3, 2011 Jeff Tsao Rump session: Microsystem luminaire for smart SSL
March 10, 2011 Mike Coltrin Strategies in Light Postview
March 17, 2011 Mary Crawford, Weng Chow, Normand Modine and Andy Armstrong Efficiency Droop Physics Update
March 24, 2011 May Nyman; Bob Biefeld Global Phosphor Summit Postview; LDRD Ideas Roundtable
March 31, 2011 Mike Coltrin; Igal Brener and Mathias Schubert (Univ of Nebraska) 3:00-3:30p All Hands Meeting (Annual Report Due Soon)
3:30-4:30p Rump on Optical Hall-effect and Ellipsometry determinations of free charge carrier properties in semiconductor heterostructures
April 7, 2011 Jeff Tsao Dry run for PCN Colloquium: Sandia’s Energy Frontier Research Center for Solid-State Lighting Science
Aoril 13, 2011 Jeff Tsao PCN Colloquium: Sandia’s Energy Frontier Research Center for Solid-State Lighting Science
April 21, 2011 Randy Creighton and Greg Nielson 2:00-3:30p Xiaoyang Zhu: Excitonic charge separation and solar energy conversion
3:30-4:30p Ramamoorthy Ramesh: The DOE SunShot Program
April 28, 2011 Chris Monroe, Randy Creighton and Chris Monroe SSL exhibits and games for TYDASTWD
Alaska vacation + EERE SSL Manufacturing postview + New ideas in MOCVD chemistry
After Work SSL Get Together
May 5, 2011 Jeff Tsao Crazy Idea Session
May 12, 2011 Mike Coltrin EFRC Summit & Forum Poster Dry Runs
May 19, 2011 Mike Coltrin EFRC Summit & Forum Talk Dry Runs
June 9, 2011 Jon Wierer and Dmitry Sizov (Corning) Laser-based SSL for general illumination: Making InGaN QW Laser Diodes: nonpolar/semipolar versus c-plane
June 23, 2011 Mike Coltrin Thrust 2 External Review Postview
June 30, 2011 Andy Allerman Electronic Materials Conference Postview
July 7, 2011 Art Fischer, Jeff Tsao and Mike Coltrin Thrust 2 Brainstorming on SSL Connections
July 14, 2011 Rohit Prasankumar Spectroscopy of single nanowires
July 21, 2011 Mary Crawford and Jeff Tsao 9th International Conference on Nitride Semiconductors Postview
August 4, 2011 Alyssa Christy, Jeff Tsao and Mary Crawford Postview of The LED Show Las Vegas
EERE SSL proposals
Postview of Thrust 1 External Review
August 11, 2011 George Wang, Jim Martin and Jeff Tsao Postview of Thrust 3 External Reviews
August 25, 2011 Andy Allerman AlGaN-based UV Optoelectronics
September 1, 2011 Angelo Mascarenhas, Brian Fluegel, Kirstin Alberi and Alek Mialitsin (NREL) AlInP, plasmonic enhancements, light scattering measurements of carrier density, etc
September 8, 2011 Bob Biefeld, Alyssa Christy, Jeff Tsao EERE SSL Core Technology and Product Development Proposal Ideas and Timelines
September 15, 2011 Jerry Simmons Postview of SSLS CINT Workshop (and social hour)
September 22, 2011 Art Fischer Journal Club: U Michigan and MIT polariton lasers
September 29, 2011 Jeff, Bob, Alyssa, Sheila, Katelynn EERE SSL Proposals
October 6, 2011 Jeff Tsao Postview of BES/EERE SSL Roundtable
October 13, 2011 Eric Shaner, Weng Chow, Art Smirl (U of Iowa) Continuation of polaritons and strong coupling discussion
October 20, 2011 Igal Brener, Willie Luk, Rohit Prasankumar, Jianyu Huang Tours of EFRC’s CINT labs
October 27, 2011 Mike Coltrin All Hands Meeting:
Plans for Annual Report and BES Review
November 3, 2011 Ganesh Subramania Photonic Crystals for SSL
November 10, 2011 Andy Armstrong and Art Fischer Tours of EFRC’s 858EL labs
November 17, 2011 Jon Wierer and Mary Crawford Postview of EERE SSL Roundtable
Postview of OSA Solid-State and Organic Lighting Meeeting
December 1, 2011 Jeff Tsao and Mike Coltrin Dry run for March BES review: Overview of SSLS EFRC
December 8, 2011 Jeff Tsao and George Wang What could you do with tiny InGaN nanodiscs?
December 15, 2011 Mary Crawford Journal Club: Hader; Danhof/Schwarz/Meyer/Vierheilig/Peter; Battacharya papers

2010

Date

Host

Topic

January 7, 2010 Igal Brener Plasmonics and Metamaterials for the SSL EFRC: energy transfer, collection, concentration and coupling
January 14, 2010 Eric Shaner Solid-state lighting for Martians
January 19, 2010 Jeff Tsao Preview of Photonics West Plenary Talk (SSL: Science, Technology and Economic Perspectives)
January 21. 2010 Normand Modine What do we not know about defects in GaN and InGaN, but would like to
January 28, 2010 Jerry Simmons, Mike Coltrin, Jeff Tsao, Rene Sells EFRC All Hands Meeting: Vision, Goals, Timelines, Website, and more
February 2, 2010 Randy Creighton Process Simulation and Temperature Control for High-Yield MOCVD Growth
February 11, 2010 Dan Koleske Postview of EERE SSL Workshop
February 25, 2010 Jim Martin Ultraslow Luminescence Decay Dynamics in Quantum Dots
March 4, 2010 Catherine Leatherdale (3M) Science and Applications of II-VI Semiconductor Wavelength Convertors
March 11, 2010 Rohit Prasankumar Ultrafast dynamics in semiconductor (primarily GaN) nanowires
March 18, 2010 Weng Chow Thoughts on efficiency droop (preceded by APS postview Koleske/Pan/Lyo/Nielsen)
March 25, 2010 Jianyu Huang In-situ observation of nitrogen bubble migration in GaN nanowires (preceded by APS postview: Koleske/Pan/Lyo/Nielsen)
April 1, 2010 Mike Coltrin Core EFRC team only: Plans for Progress Report + ERA Award Nomination Celebration
April 8, 2010 Steve Lester (Bridgelux) Bridgelux’s SSL Roadmap and S&T Challenges
April 15, 2010 Dan Koleske InGaN Growth Morphology and Its Relationship to Luminescence for Solid State Lighting
April 22, 2010 Francois Leonard Electronic properties of core/shell nanowires (preceded by MRS Meeting postview: Leonard/Wang)
April 29, 2010 Qiming Li Is scandium nitride the next big wave?
May 6, 2010 Randy Creighton EERE SSL Manufacturing postview + New Ideas in transparent conducting oxides
May 13, 2010 James Ibbetson (Cree) An Industry Perspective on High Power White LEDs: Status and Challenges
May 20, 2010 Mike Coltrin Postview of SSLS EFRC Management and Operations Review
May 27, 2010 Ganesh Subramania Something about 2D and 3D photonic crystals and strong coupling
June 1, 2010 Frank Steranka (Philips Lumileds) Remaining Challenges in SSL
June 3, 2010 Bob Biefeld ICMOVPE postview
June 10, 2010 Tom Harris Thermal Conductivity of GaN Nanowires
June 17, 2010 Brandon Passmore and Weng Chow Rabi oscillations in QD-plasmon interactions
July 1, 2010 Andy Armstrong, Qiming Li and Andy Allerman EMC postview
July 8, 2010 Willie Luk and Mike Coltrin Caltech Solar Workshop Postview
July 19, 2010 Dan Dapkus (USC) Nanostructures for Energy Conversion
July 20, 2010 Jeff Tsao EAB Review
July 21, 2010 Jim Speck (UCSB) Semipolar and Nonpolar GaN Materials and Physics
July 29, 2010 Jeff Tsao Synergy Brainstorming
August 12, 2010 Willie Luk Anomalous enhancement in Spontaneous Emission?
August 19, 2010 George Wang New directions in nanowires for LEDs and PV: Opportunities for synergies within the EFRC
August 26, 2010 Wendy Davis (NIST) Colorimetry and Color Quality of Solid-State Lighting Sources
September 2, 2010 Jen Hollingsworth (LANL) Giant nano quantum dots
September 9, 2010 Jim Martin and Lauren Rohwer New directions in QDs: opportunities for synergies within the EFRC
September 16, 2010 Jerry Simmons All-hands EFRC Meeting
September 20, 2010 Ruth Smith and Chris Monroe Jeff Tsao 25-year celebration; Postview of Lehigh Workshop and IWN 2010 Tampa
October 7, 2010 Wei Pan and Mary Crawford Possibilities for absolute carrier density measurements in InGaN LEDs
October 14, 2010 Kirstin Alberi, Angelo Mascarenhas and Brian Fluegel (NREL) Development of Lattice-Mismatched GaxIn1-xP for Green and Red Emission
October 21, 2010 Mary Crawford, Jon Wierer, Ken Lyo, Rohit Prasankumar and Eric Shaner Rump session on the possibility of measuring the elusive Auger electron or hole
October 28, 2010 Jeff Cederberg What to do about red emitters for SSL? Dilute nitride GaPN alloys for short-red wavelengths?
November 4, 2010 Art Fischer Polariton and BEC lasers
November 11, 2010 Jerry Simmons and Mike Coltrin M&O review comments and our responses
December 2, 2010 Lauren Rohwer, May Nyman, Qiming Li, Igal Brener and Willie Luk Rump session on Europium ions: routes to direct excitation of red luminescence
December 9, 2010 Charles Barbour Research Ideas Forum: Research Perspectives from Barbour’s Vantage Point
December 16, 2010 Jeff Tsao Ken Lyo retirement farewell; Postview of EERE SSL roundtable and implications for 2011 proposal call

2009

Date

Host

Topic

August 20, 2009 Jeff Tsao EFRC Kick-Off Meeting
August 27, 2009 Weng Chow Jackson Hole Quantum Optics Workshop Postview
September 9, 2009 Diane Gaylord Mike Coltrin 30-year Service Celebration
September 10, 2009 Jeff Tsao What’s Hot in SSL Research
September 24, 2009 Steve Brueck UNM capabilities in optical lithography, plasmonics and nanoscale GaN growth
September 24, 2009 Mary Crawford Competing Energy Conversion Routes in Light-Emitting InGaN
October 1, 2009 Andy Armstrong Point Defects in InGaN: origin and influence on luminescence
October 8, 2009 George Wang III-Nitride Nanowires: Growth, Characterization, and Applications
October 15, 2009 Art Fischer and Willie Luk Strongly coupled excition-photon systems
October 22, 2009 Silvia Mioc Overview of RPI’s Smart Lighting Engineering Research Center
October 29, 2009 Lauren Rohwer Phosphor routes to narrow-linewidth orange-red wavelength conversion
November 12, 2009 Jeff Tsao and Jon Wierer Postview of EERE SSL roundtables; and why lasers might be good for SSL
December 3, 2009 John Rogers and Ralph Nuzzo (University of Illinois) Approaches to MicroLED array-based lighting systems
December 10, 2009 Jeff Tsao Idea free-for-all
December 17, 2009 Ken Lyo Energy transfer in low (0,1,2)-D semiconductor structures (for dummies!)