Dr. David E. Weeks
Professor of Physics
Dr. Weeks is a Professor of Engineering Physics in the Department of Engineering Physics (ENP) at the Air Force Institute of Technology (AFIT), Air University, Air Education and Training Command (AETC), Wright Patterson AFB – Dayton, OH. In his nearly 30 years at AFIT he has taught a variety of graduate physics courses including Quantum Mechanics, Statistical Mechanics, Electricity and Magnetism, Mechanics, Quantum Chemistry, Group Theory, Quantum Optics, and Quantum Computing, and served as advisor for 1 postdoctoral researcher, 12 PhD students, and 16 MS students. He has authored 47 journal articles, 16 conference proceedings, over 70 conference presentations, 2 book chapters and one patent. Professor Weeks has been awarded 26 research grants, 16 as the principal investigator and 10 as co-principle investigator. Professor Weeks is a theorist specializing in atomic, molecular, and optical physics. His research areas include non-adiabatic molecular reaction dynamics, the quantum chemistry of alkali-noble gas systems and related potential energy surfaces, collisionally broadened line shapes, the modeling and simulation of high pressure plasmas, and the modeling and simulation of fiber lasers and fiber amplifiers. More recently Dr. Weeks has become interested in quantum information science with a focus quantum entanglement between qubits and error detection and correction algorithms run on the transmon based IBM quantum computers.
Education
Ph.D., Physics, University of Arkansas, Fayetteville, Arkansas, May 1989
- Dissertation: " Symmetry Analysis and Spectroscopy of Icosahedral Molecules" with W.G. Harter
M.S., Physics, Georgia Institute of Technology, Atlanta, Georgia, December 1985
B.A., With Honors, Physics, Colgate University, Hamilton, New York, May 1983,
- Honors Thesis: " The Aharonov - Bohm Effect" with J. Dodd
Publications
Refereed publications:
56. L. A. Hsia (DS), L. D. Merkle, D. E. Weeks, C.M. Schubert Kabban, G. Vernizzi, M. Y. Lanzerotti, and D. Langley, “Exploring Physically Unclonable Characteristics for Quantum Hardware Verification,” ACM Transactions on Quantum Computing,under review.
55. R.L Lloyd (DS), D.E. Weeks, and G.P. Perram, “Modeling a DPAL system with the Laser Model Tool Kit v1.1”, Journal of Directed Energy, under review.
54. D.E. Weeks and G.P. Perram, “Excitation of the upper 5 2D3/2, 5 2D5/2, and 7 2S1/2 rubidium energy levels via wing absorption”, Journal of Directed Energy, under
53. N.J. Guerrero (DS) and D.E. Weeks, “Quantum error detection without using ancilla qubits”, Physical Review A, under review.
52. D.E. Weeks, “Convergence and Benchmark Studies of LMTK Fiber v1.0”, Phase II Progress Report, Creare SBIR (MDA 18-014), 14 pages, 24 June 2022.
51. D.E. Weeks, “Installing and Running LMTK Fiber v1.0.0-beta.12”, Phase II Progress Report, Creare SBIR (MDA 18-014), 2 pages,7 April 2022
50. D.E. Weeks, “Modeling and Simulation of Yb3+ and Tm3+ Doped Silica Fiber Lasers”, Phase II Progress Report, Creare SBIR (MDA 18-014), 7 pages, 12 January 2022.
49. D.E. Weeks and L.D. Merkle, AFRL-AFIT Winter Summit, 1 Dec 2021
48. D.E. Weeks, “Modeling and Simulation of Yb3+ Doped Silica Fiber Lasers Using ‘RP Fiber Power V7’”, Phase II Progress Report, Creare SBIR (MDA 18-014), 5 pages, 8 October 2021.
47. D.E. Weeks, “The Tm3+ 2 µm Rate Package”, Phase II Progress Report, Creare SBIR (MDA 18-014), 8 pages, 9 August 2021.
46. D.E. Weeks, “Scoping Tool for Yb and Tm Doped Fiber Lasers”, Phase II Progress Report, Creare SBIR (MDA 18-014), 5 pages, 12 July 2021.
45. D.E. Weeks and L.D. Merkle AFIT/AFOSR Day 6.1 Research Exchange, 29 April 2021
44. R.D. Loper (DS) and D.E. Weeks, “A Fully Quantum Calculation of Broadening and Shifting Coefficients of the D1 and D2 Spectral Lines of Alkali-Metal Atoms Colliding with Noble-Gas Atoms”, J. Phys. B: At. Mol. Opt. Phys. 53 205403-205417, (2020).
43. D.E. Weeks, C.D. Lewis, L.A. Schlie, and G.P. Perram, “Temperature dependence of the fine structure mixing induced by 4He and 3He in K and Rb Diode Pumped Alkali Lasers”, Appl. Phys. B, 126, 79 (2020).
42. L.T. Belcher, G.S. Kedziora, and D.E. Weeks, “Analytic non-adiabatic derivative coupling terms for spin-orbit MRCI wavefunctions. I. Formalism”, J. Chem. Phys., 234104 (2019).
41. L.T. Belcher, C.D. Lewis, G.S. Kedziora, and D.E. Weeks, “Analytic non-adiabatic derivative coupling terms for spin-orbit MRCI wavefunctions. II. Derivative coupling terms and coupling angle for KHe(A2Π1/2)⇔KHe(B2Σ1/2)”, J. Chem. Phys. 151, 234109 (2019).
40. D.J. Emmons, D.E. Weeks, “Effect of Ar(3p54p; 2p)+M -> Ar(3p54s; 1s)+M branching ratio on optically pumped rare gas laser performance”, Opt. Express 27, 35689-35699 (2019).
39. A.R. Sharma and D.E. Weeks, “Interatomic Potentials for Ground and Excited States of Ar + He,” J. Chem. Phys. 149 (2018) 194302.
38. A.R. Sharma and D.E. Weeks, “Excited Interatomic Potential Energy Surfaces of Rb + He that Correlate with Rb Terms 52S through 72S,” Phys. Chem. Chem. Phys. 20 (2018) 29274-29284.
37. L.A. Blank, A.R. Sharma, and D.E.Weeks, “Influence of Basis-Set Size on the X 2S1/2, A 2P1/2, A 2P3/2, and B 2S1/2 Potential-Energy Curves, A2P3/2 Vibrational Energies, and D1 and D2 Line Shapes of Rb+He,” Phys. Rev. A, 97 (2018) 032705.
36. D.J. Emmons, D.E. Weeks, B. Eshel, and G.P. Perram, “Metastable Ar(1s5) Density Dependence on Pressure and Argon-Helium mixture in a High Pressure Radio Frequency Dielectric Barrier Discharge,” J. Appl. Phys., 123 (2018) 043304.
35. C.D. Lewis and D.E. Weeks, “Theoretical Cross Sections of the Inelastic Fine Structure Transition M(2P1/2) + Ng ⇔ M(2P3/2) + Ng for M = K, Rb, and Cs, and Ng = He, Ne, and Ar,” J. Phys. Chem. A, 121 (2017) 3351.
34. D.J. Emmons and D.E. Weeks, “Kinetics of High Pressure Argon-Helium Pulsed Gas Discharge,” J. Appl. Phys., 121 (2017) 203301.
33. B. Eshel , J.A. Cardoza, D.E. Weeks, and G.P. Perram, “Role of Adiabaticity in Controlling Alkali-Metal Fine-Structure Mixing Induced by Rare Gasses,” Phys. Rev. A, 95 (2017) 042708.
32. L Blank (DS) and David E. Weeks," Impact Broadening, Shifting, and Asymmetry of the D1 and D2 Lines of Alkali-metal Atoms colliding with Noble-Gas Atoms" , Phys. Rev. A. 90 (2014) 022510.
31. Gordon D. Hager, Gordon E. Lott (MS), Aaron J. Archibald (MS), L Blank (DS), David E. Weeks, and Glen P. Perram, " High Pressure Line Shapes for Cs D1 and D2 Lines and Empirically Informed Interaction Potentials" , J. Quant. Spectrosc. Radiat. Transf. 147 (2014) 261.
30. L Blank (DS), D.E. Weeks, and G.S. Kedsiora, " M+Ng Potential Energy Curves Including Spin-Orbit Coupling for M=K, Rb, Cs, and Ng=He, Ne, Ar" , J. Chem. Phys. 136 (2012) 124315-124323.
29. X. Duan, J. Wei (DS), L.W. Burggraf, and D.E. Weeks, " Mapping Ground-State Properties of Silicon Carbide Molecular Clusters using Quantum Mechanical Calculations: SimCn and SimC-m (m, n < 4)" , Comp. Mat. Sci. 47 (2010) 630-644.
28. T.A. Niday (GAP-99M), S.H. Yang (PostDoc), and D.E. Weeks, " Scattering Matrix Elements for the Reaction B (2P1/2) + H2 (j = 0)< --> B(2P3/2) + H2 (j = 0, 2, 4, 6)," J. Chem Phys. 125 (2006) 164301-164315.
27. D.E. Weeks, S.H. Yang (PostDoc), M.R. Gregg (DS-96M), S.J. Novotny (GAP-99M), K.D. Greene (GAP-96D), and R.L.Hengehold, " Inter-Subband Infrared Absorption Spectra of Si / Si1-x Gex Quantum Wells Grown in the [110] Direction," Phys. Rev. B 65 (2002) 195314-195322.
26. X. Duan (PostDoc), L.W. Burggraf, D.E. Weeks, G.E. Davico, R.L. Schwartz, and W.C. Lineberger, " Photoelectron Spectroscopy of Si2C3- and Quantum Chemistry of the Linear Si2C3 Cluster and Its Isomers," J. Chem. Phys. 116 (2002) 3601-3611.
25. T.A. Niday (GAP-99M) and D.E. Weeks, & ldquo Scattering Matrix Elements for the Fine Structure Transition B (2P1/2) + H2 ( j = 0) B < --> (2P3/2) + H2 (j = 0)," Chem. Phys. Letters 308 (1999) 106-114.
24. M.J. MacLachlan (DS-96S) and D.E. Weeks, " A New Application of the Interaction Picture to Calculate Reactive Scattering Matrix Elements," J. Phys. Chem. A 102 (1998) 9489-9493.
23. R.S. Calfas (DS-96S) and D.E. Weeks, " A New Application of Absorbing Boundary Conditions for Computing Collinear Quantum Reactive Scattering Matrix Elements," Chem. Phys. Letters 263 (1996) 292-296.
22. D.E. Weeks and R.D. Levine, " Dynamics of Non-Rigid Molecules: The Exploration of Phase Space via Resonant and Sub-Resonant Coupling," Topics in Molecular Organization and Engineering,Y.G.Smeyers Ed.12 (1995) 249-306.
21. D.E. Weeks and D.J. Tannor, " A time-dependent formulation of the scattering matrix for the collinear Reaction H + H2 (n) < --> H2 (n') + H," Chem. Phys. Letters 224 (1994) 451-458.
20. D.E. Weeks and D.J. Tannor, " A Time Dependent Formulation of the Scattering Matrix Using Mø ller Operators," Chem. Phys. Letters 207 (1993) 301-308.
19. D.J. Tannor and D.E. Weeks, " Wavepacket Correlation Function Formulation of Scattering Theory: The Quantum Analog of Classical S - Matrix Theory," J. Chem. Phys. 98 (1993) 3884-3893.
18. D.E. Weeks and R.D. Levine, " Sub - Resonant Distortion of Phase Space Tori," Phys. Letters A 167 (1992) 32-36.
17. D.E.Weeks and R.D.Levine, " Impulsive Coupling Between Two Anharmonic Oscillators: A Kicked Rotor Paradigm," Chem. Phys. Letters 195 (1992) 441-447.
16. D.E. Weeks, " Isotopic and Anharmonic Perturbations to the Dipole Active Vibrational Modes of Buckminsterfullerene," J. Chem. Phys. 96 (1992) 7380-7393.
15. D.E. Weeks, W. Kiehl, C. Dong, and A.M. Hermann, " Thermopower of the Tl2Ba2CuOx Bulk Superconductors," Physica C 176 (1991) 368-372.
14. D.E. Weeks, " Rotational Dynamics of Passive High TC Superconducting Bearings," J. Appl. Phys. 70 (1991) 1820-1825.
13. D.E. Weeks, " High TC Superconducting Levitation Motor with a Laser Commutator II," Rev. Sci. Inst. 61 (1991) 489-493.
12. D.E. Weeks and W.G. Harter, " Rotation-Vibration Scalar Coupling z Coefficients and Spectroscopic Band Shapes of Buckminsterfullerene," Chem. Phys. Letters 176 (1991) 209-216.
11. J.H. Wang, D.E. Weeks, X. Fei, C. Dong, W. Kiehl, A.M. Hermann, J. Trefny, and Z.X. Zhao, " Thermoelectric Power Measurements on Tl2Ba2 (Ca2-xYx) Cu3Oy," Appl. Phys. Comm. 10 (1990) 293-302.
10. J.H. Wang, D.E. Weeks, W. Kiehl, J. Trefny, and A.M. Hermann, " Thermoelectric Power of the Tl - Ba - Ce - O System," Appl. Phys. Comm. 10 (1990) 1-7.
9. D. Marsh, F. Arammash, J. Bennett, R. Deck, A.R. El Ali, D.E. Weeks, and A.M. Herman, " Effects of Ag Addition to the Tl-Ba-Ca-Cu-O Superconducting System," Appl. Phys. Comm. 9 (1990) 245-265.
8. D.E. Weeks, " A Torsion Balance to Measure Hysteretic Levitation Forces in High TC Superconductors" , Rev. Sci. Inst. 61 (1990) 197-200.
7. D.E. Weeks, " High TC Superconducting Levitation Motor with a Laser Commutator," Rev. Sci. Inst. 61 (1990) 195-197.
6. D.E. Weeks, " Levitation Properties of the YBa2Cu3Ox and Tl-Ba-Ca-Cu-O Superconducting Systems," Appl. Phys. Lett. 55 (1989) 2784-2786.
5. D.E. Weeks and W.G. Harter, " Rotation-Vibration Spectra of Icosahedral Molecules: II) Icosahedral Symmetry, Vibrational Eigenfrequencies and Normal Modes of Buckminsterfullerene," J. Chem. Phys. 90 (1989) 4744-4771.
4. W.G. Harter and D.E. Weeks, " Rotation-Vibration Spectra of Icosahedral Molecules: I) Ih- Symmetry Analysis and Fine Structure," J.Chem.Phys. 90 (1989) 4727-4743.
3. D.E. Weeks and W.G. Harter, " Vibrational Frequencies and Normal Modes of Buckminsterfullerene," Chem. Phys. Letters 144 (1988) 366-372.
2. W.G. Harter and D.E. Weeks, " Rovibrational Spectral Fine Structure of Icosahedral Molecules," Chem. Phys. Letters 132 (1986) 387-392.
1. J. Eidson, S. Flynn, C. Holm, D.E. Weeks, and R. Fox, " Elementary Explanation of Boundary Shading in Chaotic-Attractor Plots for the Feigenbaum Map and the Circle Map," Phys. Rev. A 33 (1986) 2809-2812.
Conference proceedings:
13. B. Eshel (DS-16S), D.E. Weeks, and G.P. Perram, " The role of adiabaticity in alkali atom fine structure mixing" , Proc. SPIE 8962 (2014) 896207.
12. C.D. Lewis ( DS-11S), D.E. Weeks, and G.P. Perram, " Diode Pumped Alkali Laser Kinetics: Comparison of Theory and Experiment" , Proc. of SPIE 8381 (2012) 83810A.
11. L.A. Blank (DS), G.S. Kedziora, and D.E. Weeks, " Potential Energy Surfaces for Alkali Plus Noble Gas Pairs- A Systematic Comparison" , Proc. SPIE 7581 (2010) 75810I.
10. Peter M. Johnson (GEO-04M), Michael A. Marciniak, Robert L. Hengehold, and David E. Weeks, " Deviation of Time Resolved Luminescence Dynamics in MWIR Semiconductor Photonic Structures From Theoretical Predictions," Great Lakes Photonics Symposium, Cleveland, OH, 7-11 June 2004.
9. S.M. Gorski (GAP-02M), M.A. Marciniak, R.L. Hengehold, and D.E. Weeks, " Time Resolved Photoluminescence Spectra of Mid-Infrared Quantum Well Lasers," Solid State and Diode Laser Technology Review Technical Digest, Albuquerque, NM, 3-6 June 2002.
8. R.L. Hengehold, D.E. Weeks, M.A. Marciniak, C.A. Bartholomew (GEO-01M), and M.R. McKay (GAP-01S), " Mid-Infrared Quantum-Well, Opto-Electronic Devices," Solid State and Diode Laser Technology Review Technical Digest, Albuquerque, NM, 21-24 May2001.
7. D.E. Weeks, S.H. Yang (PostDoc), and T.A. Niday (GAP-99M), " Scattering Matrix Elements and Cross Sections for the Reaction B (2P1/2) + H2(j) < --> B (2P3/2) + H2 (j ')," Proceedings of the High Energy Density Matter (HEDM) Contractors" , Conference, 24-26 October 2000, Park City, UT, AFOSR Technical Report.
D.E. Weeks, S. Yang (PostDoc), R.L. Hengehold and M.A. Marciniak, " Mid-Infrared Quantum Well Research at AFIT," Solid State and Diode Laser Technology Review Technical Digest, Albuquerque, NM, 5-8 June 2000.
6. T.A. Niday (GAP-99M) and D.E. Weeks, " Scattering Matrix Elements for the Fine Structure Transition B (2P1/2) + H2 (j = 0)< --> B (2P3/2) + H2 (j = 0)," Proceedings of the High Energy Density Matter (HEDM) Contractors& rsquo Conference, 8-10 June 1999, Cocoa Beach, FL, AFOSR Technical Report.
5. D.E. Weeks, S.J. Novotny (GAP-99M), S. Yang (PostDoc), and R.L. Hengehold, " Quantum Well Dispersion Relations," Diode Laser Technology Review Technical Digest, 10-13 May 1999, Fort Walton Beach, FL.
4. D.E. Weeks and R.S. Calfas (DS-96D), " Time Dependent Wavepacket Studies of the Reaction HO + CO ' H + CO2," Proceedings of the High Energy Density Matter (HEDM) Contractors" Conference, 20-22 May 1998, Monterey, CA, AFOSR Technical Report.
3. M.J. MacLachlan (DS-96S) and D.E. Weeks, " An Application of the Interaction Picture to Calculate S-Matrix Elements for Reactive Scattering," Proceedings of the High Energy Density Matter (HEDM) Contractors& rsquo Conference, 1-3 June 1997, Chantilly, VA, PL - TR - 97 - 3057, March 1997.
2. R.S. Calfas (DS-96D) and D.E. Weeks, " A New Application of Absorbing Boundary Conditions for Computing Two-Dimensional Collinear Quantum Reactive Scattering Matrix Elements," Proceedings of the High Energy Density Matter (HEDM) Contractors' Conference, 5-7 June 1996, Boulder, CO, PL - TR - 96 - 3037, March 1996.
1. A.M. Hermann, H. Duan, W. Kiehl, andD.E. Weeks, " Thallium - Based Copper Oxide Superconductors," International Conference on Organic Superconductors, Lake Tahoe, May 1990 (Plenum).