Invited Talks
- K. C. Hall
Optimal Quantum Control of Solid-State Emitters
University of Innsbruck , Innsbruck, Austria, July 14, 2023.
- K. C. Hall
Coherent Laser Driving of Excitons in Semiconductor Quantum Emitters
TSIC Workshop: Exciton/Photon Interactions for Quantum Systems , Telluride, CO, USA, June 11, 2023.
- K. C. Hall
Laser Driving Scheme for Solid-State Emitters using Engineered Optical Pulses
Photonics for Quantum , Rochester, NY, USA, June 7, 2023.
- K. C. Hall
Notch-filtered Adiabatic Rapid Passage for Optically-Driven Solid-State Emitters
National Research Council of Canada , Ottawa, ON, May 31, 2022.
- K. C. Hall
Adiabatic inversion scheme for solid-state emitters using frequency-swept, spectrally-modified pulses
Photonics North , Niagara Falls, ON, May 26, 2022.
- K. C. Hall
Suppression of Phonon-Mediated Decoherence in Telecom-Compatible Semiconductor Quantum Emitters
SPIE Optics and Photonics , (Online) August 1, 2021.
- K. C. Hall
Quantum control of decoherence in solid state emitters using femtosecond pulse shaping
Photonics North 2021,, (Online) June 2, 2021.
- K. C. Hall
Decoherence Mitigation via Optimal Quantum Control in Solid-State Quantum Emitters
ALLS Workshop, INRS, Varennes, Quebec, March 23, 2021.
- K. C. Hall
Ultrafast Control of Solid-State Emitters using Optical Pulse Shape Engineering
Stewart Blusson Quantum Matter Institute, Vancouver, British Columbia, January 23, 2020.
- K. C. Hall
Influence of Rashba effects on carrier dynamics in organic inorganic perovskites
Magnetic North VI Conference, Gimli, Manitoba, June 11-14, 2019.
- K. C. Hall
Spin Dynamics in 2D Perovskites
Canadian Chemistry Conference and Exhibition, Quebec City, June 3-7, 2019.
- K. C. Hall
Influence of Rashba effect on carrier kinetics in hybrid perovskites
CAP Congress 2019, Burnaby, BC, June 3-7, 2019.
- K. C. Hall
Carrier scattering in hybrid perovskite probed with four-wave mixing spectroscopy
Ultrafast Bandgap Photonics, Washington, DC, USA, April 15-17, 2019.
- K. C. Hall
Ultrafast Quantum Control of Charge and Spin in Semiconductors
Departement de Physique, Universite de Sherbrooke, Sherbrooke, QC, January 16, 2019.
- K. C. Hall
Ultrafast quantum control in semiconductor materials
University of Cambridge, Cambridge, UK, Nov 7, 2018.
- K. C. Hall
Carrier spin relaxation in 2D perovskite semiconductors
SPIE Nanoscience + Engineering, San Diego, CA, August 21, 2018.
- K. C. Hall
Ultrafast measurement and control of spins in semiconductors
Spin Canada 2018, Calgary, AB, July 20, 2018.
- K. C. Hall
Spin relaxation dynamics in hybrid perovskites
TSRC Workshop: Electronic and Structural Dynamics in Hybrid Perovskites: Theory Meets Experiment, Telluride, CO, July 18, 2018.
- K. C. Hall
Influence of Rashba splitting on carrier dynamics in organic-inorganic perovskites
SPIE Defence and Commercial Sensing 2018, Orlando, CA, April 17, 2018.
- K. C. Hall
Ultrafast Quantum Control of Multiple Quantum Dot Excitons
Gordon Research Conference on Quantum Control 2017, Mount Holyoke College, MA, August 8, 2017.
- K. C. Hall
Coherent Response of Carriers and Excitons in CH3NH3PbI3 using Femtosecond Four-Wave Mixing
OP 2017 – The 12th International Conference on Optical Probes of Organic and Hybrid Semiconductors, Quebec City, QC, Canada, June 20, 2017.
- K. C. Hall
Fundamental properties of perovskite solar cell materials revealed by four-wave mixing spectroscopy
Solar Energy: Materials, Device Physics, and Grid Integration, Halifax, NS, May 2, 2017.
- K. C. Hall
Four-wave mixing response of solution-processed CH3NH3PbI3 thin films
Photonics West, San Francisco, CA, Paper 10102-36, Feb 1, 2017.
- K. C. Hall
Charge and Spin Dynamics in Solution-Processed Lead Iodide Perovskite Thin Films
SPIE Nanoscience and Engineering, San Diego, CA, Paper 9931-20, August 28, 2016.
- K. C. Hall
Optimal Quantum Control in Solid State Quantum Systems
Keynote speaker at 3rd Canadian Conference for Undergraduate Women in Physics, Halifax, NS, January 9, 2016.
- K. C. Hall
Optimal Quantum Control of Multiple Quantum Dot Exciton Qubits using Femtosecond Pulse Shaping
EMN Ultrafast, Las Vegas, NV, November 17, 2015.
- K. C. Hall
Observation of the Exciton and Urbach Band Tail in Low-Temperature-grown GaAs using Coherent Ultrafast Spectroscopy
3rd International Conference and Exhibition on Lasers, Optics and Photonics, Valencia, Spain, September 2, 2015.
- K. C. Hall
Quantum State Engineering in Semiconductor Quantum Dots using Femtosecond Pulse Shaping
17th Canadian Semiconductor Science and Technology Conference, Sherbrooke, Quebec, Canada, August 20, 2015.
- K. C. Hall
Femtosecond quantum control in semiconductors
ALLS Workshop, Saint-Saveur, Quebec, Canada, June 4, 2015.
- K. C. Hall
Four-wave mixing spectroscopy on low-temperature-grown semiconductors
Institut national de la recherche scientifique (INRS), Varennes, Quebec, Canada, June 2, 2015.
- K. C. Hall
Optimal Quantum Control of Multiple Quantum Dot Exciton Qubits using Femtosecond Pulse Shaping
EXCON 2015 – 11th International Conference on Excitonic and Photonic Processes in Condensed Matter and Nano Materials, Montreal, Quebec, May 21, 2015.
- K. C. Hall
Tailored Control of Semiconductor Quantum Bits using Femtosecond Pulse Shaping
Institute of Opto-Electronics, State Key Laboratory of Quantum Optics and Quantum Optics Devices, Shanxi University, Taiyuan, Shanxi Province, China, April 16, 2015.
- K. C. Hall
Femtosecond Pulse Shaping for Semiconductor Qubit Manipulation
EMN Meeting on Quantum Technology, Beijing, China, April 15, 2015.
- K. C. Hall
Optimal Quantum Control of Excitons in Semiconductor Quantum Dots using Femtosecond Pulse Shaping
Department of Physics and Astronomy, University of Waterloo, Waterloo, Ontario, February 5, 2015.
- K. C. Hall
Femtosecond Pulse Shaping for Tailored Control of Semiconductor Quantum Bits
Department of Astronomy and Physics, Saint Mary’s University, Halifax, Nova Scotia, January 30, 2015.
- K. C. Hall
Solid State Quantum Coherence Storage
Institute for Quantum Computing, University of Waterloo, Waterloo, Ontario, January 14, 2015.
- K. C. Hall
Optimal quantum control of excitonic qubits in semiconductor quantum dots
CPM Seminar, Department of Physics, McGill University, Montreal, Quebec, October 16, 2014.
- K. C. Hall
Suppression of phonon-mediated dephasing in adiabatic rapid passage on a single semiconductor quantum dot
2nd International Conference and Exhibition on Lasers, Optics and Photonics, Philadelphia, PA, September, 2014.
- K. C. Hall, R. Mathew, E. Dilcher, A. Gamouras, A. Ramachandran, S. Friesem, D. G. Deppe
Ultrafast Adiabatic Rapid Passage in a Single Semiconductor Quantum Dot
SPIE Optics and Photonics, 9167-4 (OP14N-OP108-108), San Diego, CA, Aug 17, 2014.
- K. C. Hall
Ultrafast optical control of quantum dot excitons using engineered optical pulses
CAP Congress, Sudbury, ON, June 16, 2014.
- K. C. Hall
Optimal quantum control of solid state qubits
Universite de Montreal, Montreal, QC, April 2014.
- K. C. Hall
Quantum Computing at the Speed of Light
CAP Lecture Tour, University of Windsor, Windsor, ON, March 2014.
- K. C. Hall
Quantum Computing at the Speed of Light
CAP Lecture Tour, University of Western Ontario, London, ON, March 2014.
- K. C. Hall
Quantum Computing at the Speed of Light
CAP Lecture Tour, McMaster University, LHamilton, ON, March 2014.
- K. C. Hall
Optimal Quantum Control of Solid State Qubits in Semiconductor Quantum Dots
EMN Spring Meeting, Las Vegas, NV, February 27-March 2, 2014.
- K. C. Hall, M. Yildirim, S. March, R. Mathew, A. Gamouras, X. Liu, M. Dobrowolska, J. Furdyna
Observation of a Photon Echo and Measurement of Interband Dephasing in GaMnAs
SPIE Optics and Photonics 2013, San Diego, CA, August 2013.
- K. C. Hall
Ultrafast Control of Exciton Qubits in Semiconductor Quantum Dots
CSSTC 2013: The 16th Canadian Semiconductor Science and Technology Conference, Thunder Bay, Ontario, Canada, August 2013.
- K. C. Hall
Optimal Quantum Control of Solid State Qubits in Semiconductor Quantum Dots
Photonics North 2013, Ottawa, Ontario, Canada, June 2013.
- K. C. Hall
Ultrafast Studies of Semiconductor Materials for Applications in Spintronics and Quantum Computing
West Virginia University, Morgantown, West Virginia, November 2012.
- K. C. Hall, A. Gamouras, R. Mathew, D. G. Deppe, C. Pryor, and M. E. Flatte
Optically Engineered Ultrafast Pulses for Controlled Rotations of Excitons in Semiconductor Quantum Dots
2012 Ultrafast Pulse Shaping Workshop, Michigan State University, Lansing, Michigan, United States, August 2012.
- A. Gamouras, R. Mathew, C . E. Pryor, M. E. Flatté, D. G. Deppe, and K. C. Hall
Effectiveness and Experimental Limits of Shaped Optical Pulses for Quantum Gate Operations
Measurement Science and Standards, National Research Council of Canada, Ottawa, Canada, June 24, 2012.
- K. C. Hall
Study of Spintronic Materials using Ultrafast Spectroscopy
Mount Allison University, Sackville, New Brunswick, Canada, November 2011.
- K. C. Hall, M. Yildirim, T. De Boer, S. March, A. Gamouras, R. Mathew, X. Liu, J. K. Furdyna, and V. Novak
Nonlinear Optical Response of GaMnAs
2nd Advanced Workshop on Spin and Charge Properties of Low Dimensional Systems, Brasov, Romania, July 2011.
- K. C. Hall, M. Yildirim, T. De Boer, S. March, A. Gamouras, R. Mathew, X. Liu, and J. K. Furdyna
Ultrafast Carrier Response in GaMnAs
CAP Congress 2011, St. John's, Newfoundland, Canada, June 2011.
- K. C. Hall, M. Yildirim, T. De Boer, S. March, A. Gamouras, R. Mathew, X. Liu, and J. K. Furdyna
Coherent and Incoherent Carrier Response in GaMnAs
Magnetic North II: Competing Interactions in Magnetic Materials, St. John's Newfoundland, Canada, June 2011.
- K. C. Hall
Ultrafast Control of Spin Dynamics for Applications in Semiconductor Spintronics
Lockheed Martin Advanced Technology Center, Palo Alto, California, hosted by Jeff Newmeyer, February 2011.
- K. C. Hall
Ultrafast Control of Spin Dynamics for Applications in Semiconductor Spintronics
Lockheed Martin Skunk Works, Palmdale, California, Hosted by Charles Chase, February 2011.
- K. C. Hall, J. P. Zahn, A. Gamouras, S. March, M. Yildirim, T. De Boer, R. Mathew, X. Liu, and J.
K. Furdyna
Ultrafast Control of Ferromagnetic Order in GaMnAs
Nanomagnetism et Spintronics, 23rd Centre Jacques Cartier Meeting, Grenoble, France, November 2010.
- K. C. Hall
Spin Electro-Optics
Device Research Conference 2010, Notre Dame, Indiana, June 2010.
- K. C. Hall
Quantum Computing with Semiconductor Quantum Dots
D-Wave Systems, Burnaby, British Columbia, March 2010.
- K. C. Hall
All-Optical Control of Semiconductor Charge and Spin Qubits
Lockheed Martin Aeronautics Division, Fort Worth, Texas, Hosted by Russell Kegley, January 2010.
- K. C. Hall
Femtosecond Optical Measurements of Spin Dynamics in III-V Semiconductors
Department of Applied Physics Photonics and Semiconductor Nanophysics, Eindhoven University of Technology, Eindhoven, The Netherlands, Hosted by Prof. Paul Koenraad, November 2009.
- K. C. Hall
Quantum Control of Charge and Spin Qubits Using Engineered Optical Pulses
Department of Chemistry, Princeton University, Princeton, New Jersey, Hosted by Prof. Herschel Rabitz, September 2009.
- K. C. Hall
Ultrafast Control of Spin Dynamics for Applications in Semiconductor Spintronics
Lockheed Martin ATL Division, Cherry Hill, New Jersey, September 2009.
- K. C. Hall
Ultrafast measurement of Charge and Spin Dynamics in Semiconductor Nanostructures (Invited Tutorial)
ICTP Advanced Workshop: Spin and Charge Properties of Low Dimensional Systems, Sibiu, Romania, July 2009.
- K. C. Hall
Pulse Shaping Spectroscopy for Control of Qubit Dynamics
University of Central Florida, Orlando, Florida, February 2009.
- K. C. Hall
Femtosecond Optical Studies of Spin Dynamics in Spintronic Materials
Department of Physics, St. Francis Xavier University, Antigonish, Nova Scotia, Canada, January 2009.
- K. C. Hall
Ultrafast Control of Ferromagnetic Order in DMS Materials
Départment de Physique, Université de Sherbrooke, Sherbrooke, Quebec, Canada, January 2009.
- K. C. Hall
Ultrafast Studies of Spin Dynamics in Semiconductors
Départment de Physique, Université de Montréal, Montreal, Quebec, Canada, November 2008.
- K. C. Hall
Femtosecond Control of Spin Dynamics in Semiconductors
Department of Physics, University of Toronto, Toronto, Ontario, Canada, October 2008.
- K. C. Hall
Ultrafast Spectroscopy of Semiconductors (Invited Lecture)
Atmospheric and Material Physics Summer School, Dalhousie University, Halifax, Nova Scotia, Canada, July 2008.
- K. C. Hall
Femtosecond Optical Studies of Spintronic Materials
Third International Conference on Optical, Optoelectronic and Photonic Materials and Applications, Edmonton, Alberta, Canada, July 2008.
- Ultrafast Control of Spin Dynamics
CAP Congress 2008, Quebec City, Quebec, Canada, June 2008.
- K. C. Hall
Topological Quantum Computing with Semiconductor Quantum Dots
3rd Quantum Works Annual General Meeting, Montreal, Quebec, Canada, June 2008.
- K. C. Hall
Quantum Computing Using Semiconductor Quantum Dots
Invited presentation for media at the Lockheed Martin-Dalhousie Press Event, Halifax, Nova Scotia, Canada, May 2008.
- K. C. Hall
Quantum Operations on Quantum Dots using Shaped Femtosecond Pulses
Invited by Ned Allan for Lockheed Martin Visit to Dalhousie University, December 2007.
- K. C. Hall
Semiconductor Technology gets a New Spin
Department of Physics, University of New Brunswick, Fredericton, New Brunswick, Canada, October 2007.
- K. C. Hall
Semiconductor Spintronics (Invited Tutorial)
Canadian Semiconductor Technology Conference, Montreal, QC, August 2007.
- K. C. Hall
Femtosecond Optical Studies of Spintronic Materials
IRM Annual General Meeting, Dalhousie University, Halifax, Nova Scotia, June 2007.
- K. C. Hall
Gate-Controlled Spin Dynamics for Spin Electronics
Princeton University, Electrical Engineering, April 2007.
- K. C. Hall
Ultrafast Optical Studies of Spin Dynamics in Semiconductors
Saint Mary’s University, Halifax, Nova Scotia, January 2007.
- K. C. Hall
Electron Spin Dynamics in Semiconductor Nanostructures for Applications in Spintronics and Quantum Information
National Research Council, Institute for Microstructural Sciences, Ottawa, ON, August 2006.
- K. C. Hall
Bias-Dependent Spin Lifetimes in Quantum Wells
APS March Meeting, Baltimore, MD, March 2006.
- K. C. Hall
Gate-Controlled Electron Spin Transport for Nonmagnetic Spintronics
AVS 52nd International Symposium and Exhibition, Boston, MA, November 2005.
Co-authors: K. Gundogdu, J. L. Hicks, A. N. Kocbay, M. E. Flatte, T. F. Boggess, K. Holabird, A. Hunter, D. H. Chow, J. J. Zinck
- Spin control for semiconductor spintronics
CAP Congress 2005, Vancouver, British Columbia, June 2005.
- K. C. Hall
Gate-controlled electron spin transport and relaxation in semiconductor nanostructures
University of Manitoba, hosted by Prof. Tapash Chakraborty, Winnipeg, Manitoba, February 2005.
- K. C. Hall
Putting a new spin on Nanotechnology
Nanoscience and Nanotechnology Workshop, Halifax, Nova Scotia, September 2004.
- K. C. Hall, K. Gundogdu, Thomas F. Boggess, O. B. Shchekin, and D. G. Deppe
Time-resolved Optical Studies of Capture and Relaxation Kinetics in InAs Quantum Dots
IEEE/LEOS Semiconductor Laser Workshop 2004, San Francisco, California, Sponsored by IEEE LEOS, May 2004.
- K. C. Hall
Carrier and Spin Dynamics in Charged Quantum Dots
Photonics West 2004, 24-29, San Jose, California, Sponsored by SPIE, January 2004.
Co-authors: K. Gundogdu, T. F. Boggess, D. G. Deppe, and O. B. Shchekin
- K. C. Hall
Spin relaxation in semiconductors: Implications for applications in spintronics, optoelectronics, and quantum computation (Invited Tutorial)
MMM/Intermag conference, Anaheim, California, Sponsored by AIP and IEEE, Jan 5, 2004.
- K. C. Hall
Spintronics: From Quantum Computation to Optoelectronics
Département de Physique, Université de Montréal, hosted by Laurent J. Lewis, October, 2003.
- K. C. Hall
Spintronics: From Quantum Computation to Optoelectronics
Department of Physics and Astronomy, University of British Columbia, hosted by Brian G. Turrell, October, 2003.
- K. C. Hall
Spintronics: From Quantum Computation to Optoelectronics
Department of Physics and Astronomy, McMaster University, hosted by A. John Berlinsky, September, 2003.
- K. C. Hall
Spintronics: From Quantum Computation to Optoelectronics
Dalhousie University, hosted by Gerhard Stroink, September, 2003.
- K. C. Hall, K. Gundogdu, L. Zhang, T. F. Boggess, D. G. Deppe, and O. B. Shchekin
Efficient Electron Spin Detection with Positively Charged Quantum Dots
IEEE/LEOS Semiconductor Laser Workshop 2003, Baltimore, MD, Sponsored by IEEE LEOS, June 2003.
- K. C. Hall
Electron spin dynamics in InAs/GaSb Superlattices: (110) Vs. (001) Growth
Department of Physics and Astronomy, University of Iowa, hosted by Prof. Markus Wohlgenannt, October, 2002.
- K. C. Hall, G. R. Allan, H. M. van Driel, T. Krivosheeva, W. Poetz
Femtosecond Coherent Response of Spin-orbit Split-off Excitons in InP
Department of Physics and Astronomy, University of Iowa, hosted by Prof. John Prineas, April, 2002.
- K. C. Hall, S. W. Leonard, H. M. van Driel, A. R. Kost, E. Selvig, and D.H. Chow
Subpicosecond spin relaxation in GaAsSb multiple quantum wells
National Institute of Standards and Technology, Boulder, CO, hosted by Dr. Tom Silva, July, 2001.
- K. C. Hall, S. W. Leonard, H. M. van Driel, A. R. Kost, E. Selvig, and D.H. Chow
Subpicosecond spin relaxation in GaAsSb multiple quantum wells
The University of Iowa, hosted by Professor Tom Boggess, July, 2001.
- K. C. Hall, S. W. Leonard, H. M. van Driel, A. R. Kost, E. Selvig, and D.H. Chow
Subpicosecond spin relaxation in GaAsSb multiple quantum wells
Rice University, hosted by Professor Junichiro, Kono, May, 2001.
- K. C. Hall, S. W. Leonard, H. M. van Driel, A. R. Kost, E. Selvig, and D.H. Chow
Subpicosecond spin relaxation in GaAsSb multiple quantum wells
University of California at Santa Barbara, hosted by Professor David Awschalom, June, 2001.