Publications and presentations

PUBLICATIONS

Book:

1. “Light propagation in linear optical media,” Glen D. Gillen, Katharina Gillen, and Shekhar Guha, CRC Press, Taylor & Francis Group, Boca Raton, FL, 2014.

External Publications:

1. “One-dimensional array of optical dark spot traps from nested Gaussian laser beams for quantum computing,” Travis Frazer (former Cal Poly undergraduate physics student, postdoc at Argonne National Lab at time of submission), Katharina Gillen, Applied Physics B 128, 90 (2022) [click here for subscription-free version]. 

2. “Magnetic Field Experiments Using a Phone,” Glen D. Gillen, Katharina Gillen, arXiv:2212.02258 [physics.ed-ph] (2022). 

3. “Comparison of Gaussian and super Gaussian laser beams for addressing atomic qubits,” Katharina Gillen-Christandl, Glen D. Gillen, M. J. Piotrowicz, M. Saffman, Applied Physics B 122, 131(2016).

4. “Polarization dependent atomic dipole traps behind a circular aperture for neutral atom quantum computing,” Katharina Gillen-Christandl, Bert D. Copsey (Cal Poly undergraduate student), Physical Review A 83, 023408 (2011).

5. “Projection of diffraction patterns for use in cold neutral atom trapping,” Katharina Gillen-Christandl, Glen D. Gillen, Physical Review A 82, 063420 (2010).

6. “Optical dipole traps for cold atoms using diffracted laser light,” Glen D. Gillen, Shekhar Guha, Katharina Christandl, Physical Review A 73, 013409 (2006).

7. “Advancing neutral atom quantum computing: Studies of one-dimensional and two-dimensional optical lattices on a chip,” Katharina Christandl, Ph.D. thesis, The Ohio State University (2005).

8.  “1D and 2D optical lattices on a chip for quantum computing,” Katharina Christandl, Gregory P. Lafyatis, Seung-Cheol Lee, Jin-Fa Lee, Physical Review A 70,032302 (2004); selected for September 2004 issue of the “Virtual Journal of Quantum Information”

9.  “Two-dimensional imaging of neutral alkali atom samples using surface ionization,” Katharina Christandl, Gregory P. Lafyatis, Andrei Modoran, Tung-Hsiu Shih, Review of Scientific Instruments 73 (12),4201 (2001).

10.  “A compact, grating-stabilized diode laser for atomic spectroscopy,” Katharina Christandl, M.S. thesis, The Ohio State University (2000).

Cal Poly Publications:

1.  “Simulations of the polarization dependence of the light potential equation in quantum computing,” Bert David Copsey (Cal Poly undergraduate student), Katharina Gillen (project supervisor), Cal Poly Honors Undergraduate Research Journal 2, 61-70 (2009). Peer-reviewed by Cal Poly faculty.

2. “Light trap manipulation and its potential use in quantum computing,” Bert David Copsey (Cal Poly undergraduate student), Katharina Gillen (project supervisor), Cal Poly Honors Undergraduate Research Journal 1, 57-64 (2008). Peer-reviewed by Cal Poly faculty.

PRESENTATIONS 

Presenter(s) in bold.

External Presentations:

1. “Rydberg quantum optics in ultracold Ytterbium gases,” Thilina Muthu-Arachchige (Uni Bonn PhD student), Xin Wang (Uni Bonn postdoc), Jonas Cieslick (Uni Bonn Master’s student), Katharina Gillen, Sebastian Hofferberth (Uni Bonn professor/collaborator), Deutsche Physikalische Gesellschaft (German Physical Society) Spring Meeting of the Atomic, Molecular, Quantum Optics and Photonics Section (DPG SAMOP), Hannover, Germany, March 7, 2023. Poster presentation.

2. “Cold atom research at Cal Poly SLO,” Katharina Gillen, Sonderforschungsbereich Open System Control of Atomic and Photonic Matter Minisymposium, Rheinische Friedrich-Wilhelms-Universität Bonn, Bonn, Germany, November 16, 2022. Invited Talk.

3.  “Quantum Key Distribution Simulation using Entangled Bell States,” Nayana Tiwari (Cal Poly Physics/CPE undergraduate student), Katharina Gillen, Annual Workshop of the Southwest Quantum Information and Technology (SQuInT) network, Berkeley, California, October 20, 2022. Poster presentation.

4.  “Obtaining Fastest Known Solution of Chromatic Number With Quantum Search and Quantum Counting,” David Lutze (Cal Poly CSSE graduate student), Katharina Gillen, SQuInT, Berkeley, California, October 20, 2022. Poster presentation.

5. “Automation of Magneto-Optical Trap Laser Tuning for Neutral Atom Quantum Computing,” Andrew Jarymowycz, Michael Pilgrim, Jonathan Flores (Cal Poly undergraduate students), Katharina Gillen, SQuInT, Albuquerque, NM, October 14-15, 2021, Virtual meeting. Poster presentation.

6. “Automating the Tuning of Magneto-Optical Trap Lasers for Use in Neutral Atom Quantum Computing”, Jacob Mandel, Jonathan Flores, Michael Pilgrim, Andrew Jarymowycz (Cal Poly undergraduate students), Katharina Gillen, Division of Atomic, Molecular, and Optical Physics (DAMOP) – an international professional meeting of the American Physical Society, June 1, 2021, Virtual meeting. Poster presentation.

7. “Automated Laser Tuning for Magneto-Optical Trap,” Jacob Mandel, Jordan Churi, Anya Houk (Cal Poly undergraduate students), Katharina Gillen, Optics and Photonics Winter School and Workshop (Winter School), University of Arizona – College of Optical Sciences, January 7, 2021, Virtual meeting. Talk. 

8. “Quantum Algorithms for Physicists: Unpacking Grover’s Search Algorithm,” Anya Houk (Cal Poly CPE undergraduate student), Katharina Gillen, Annual Workshop of the Southwest Quantum Information and Technology (SQuInT) network, Eugene, OR, February 8, 2020. Poster presentation.

9. “Updates to Magneto-Optical Trap for Neutral Atom Quantum Computing,” Eric Bettencourt, Jordan Churi, Anya Houk, Jacob Siderman (Cal Poly undergraduate students), Glen D. Gillen, Katharina Gillen, SQuInT network, Eugene, OR, February 8, 2020. Poster presentation.

10. “Preparation of Atom Transfer to 2D Pinhole Diffraction Trap Array for Quantum Information Applications,” Justin Jee, Sebastian Pardo, Elliot Lehman, Sergio Aguayo (Cal Poly Physics undergraduate students), Glen Gillen, Katharina Gillen-Christandl, Division of Atomic, Molecular, and Optical Physics (DAMOP) – an international professional meeting of the American Physical Society, May 30, 2019, Milwaukee, WI. Poster presentation.

11. “Investigating the Influence of the Talbot Effect on Novel 2D Atomic Dipole Trap Arrays for Use in Quantum Computing,” Sergio Aguayo (Cal Poly Physics undergraduate student), Katharina Gillen-Christandl, DAMOP, May 28, 2019, Milwaukee, WI. Poster presentation.

12. “Preparation of pinhole diffraction trap array experiment for neutral atom quantum computing,” Justin Jee, Elliot Lehman (Cal Poly Physics undergraduate students), Glen Gillen, Katharina Gillen, Optics and Photonics Winter School and Workshop, University of Arizona – College of Optical Sciences, January 5, 2019, Tucson, AZ.

13. “Projection of pinhole diffraction trap array into cold atom cloud for quantum computing using atomic qubits,” Sergio Aguayo, Alexandra Crawford, Justin Jee (Cal Poly Physics undergraduate students), Katharina Gillen, SQuInT, Albuquerque, NM, February 22, 2018. Poster presentation.

14. “The final steps towards neutral atom quantum computers – All you need is light,” Katharina Gillen, Fall meeting of the Ohio Section of the American Physical Society, Miami University, Oxford, OH, October 13, 2017. Invited talk.

15. “1D array of dark spot traps formed by counterpropagating nested Gaussian laser beams for trapping and moving atomic qubits,” Katharina Gillen-Christandl, Travis Frazer (former Cal Poly Physics undergraduate student), DAMOP, June 8, 2017, Sacramento, CA. Poster presentation.

16. “Quantum Computing with Atoms and Light,” Katharina Gillen, 2017 Optics and Photonics Winter Workshop, University of Arizona – College of Optical Sciences, Tucson, AZ, January 7, 2017. Invited talk.

17.  “Effects of addressing laser beam intensity profiles on single qubit gates in neutral atom quantum computing,” Katharina Gillen-Christandl, Glen D. Gillen, Michal J. Piotrowicz, Mark Saffman, SQuInT, Albuquerque, NM, February 18, 2016. Poster presentation.

18. “Scalable 2D array of dipole traps formed by pinhole diffraction for neutral atom quantum computing,” Katharina Gillen-Christandl, Glen Gillen, Sanjay Khatri, Ian Powell, Jason Schray, and Taylor Shannon, International Conference on Atomic Physics (ICAP), August 7, 2014, Washington, D.C. Poster presentation.

19.  “Exploring the range of motion of atom traps formed in the diffraction pattern behind a pinhole for quantum computing,” Sanjay Khatri, Taylor Shannon (Cal Poly Physics undergraduate students), Ian Powell, Jason Schray, Glen Gillen, and Katharina Gillen-Christandl, DAMOP, June 3, 2014, Madison, WI. Poster presentation.

20. “Quantum computing with a 2D array of movable atom traps formed by pinholes,” Katharina Gillen, Colloquium, Harvey Mudd College, Claremont, CA, April 14, 2015. Invited talk.

21. “Progress towards experimentally realizing movable atom traps behind an array of pinholes for quantum computing,” Ian Powell, Sanjay Khatri, Jason Schray, Taylor Shannon (Cal Poly undergraduate students), Glen D. Gillen, and Katharina Gillen-Christandl, SQuInT, Santa Fe, NM, February 20, 2014. Poster presentation.

22. “1D optical lattice of dark spot traps formed by two nested laser beams for atom transport and quantum information applications,” Travis Frazer (Cal Poly undergraduate student), Katharina Gillen-Christandl, Division of Atomic, Molecular, and Optical Physics (DAMOP) – an international professional meeting of the American Physical Society, Québec City, Canada, June 7, 2013. Invited DAMOP Undergraduate Research talk.

23. “Investigating the laser angle dependence of movable pinhole traps for neutral atom quantum computing,” Travis Frazer (Cal Poly Physics undergraduate student), David Roberts, Jason Schray, Glen Gillen, and Katharina Gillen-Christandl, DAMOP, Québec City, Canada , June 5, 2013. Poster presentation.

24. “Atom trapping in the large-angle diffraction pattern behind a pinhole for quantum computing,” Travis Frazer, Jason Schray (Cal Poly undergraduate students), Dani May, Sara Monahan, David Roberts, Glen Gillen, and Katharina Gillen-Christandl, SQuInT, Santa Barbara, CA, February 21, 2013. Poster presentation.

25. “Neutral atom quantum computing with the dipole traps formed behind a circular aperture,” Dani May, Sara Monahan, David Roberts, Jason Schray (Cal Poly undergraduate students), Bert Copsey, Travis Frazer, Jennifer Rushing, Glen D. Gillen, and Katharina Gillen-Christandl, SQuInT, Albuquerque, NM, February 17, 2012. Poster presentation.

26. “Atomic Dipole Traps Formed in the Diffraction Pattern of a Circular Aperture for Use in Neutral Atom Quantum Computing,” Katharina Gillen, Atomic Physics Seminar, University of Wisconsin, Madison, WI, February 3, 2012. Invited talk.

27. “Computational Investigation of Dipole Traps Formed by the Projection of Diffraction Patterns from a Circular Aperture,” Glen D. Gillen, Katharina Gillen-Christandl, Division of Atomic, Molecular, and Optical Physics (DAMOP) – an international professional meeting of the American Physical Society, Atlanta, GA, June 16, 2011. Poster presentation.

28. “Progress Towards Experimental Realization of Polarization Dependent Optical Dipole Traps in the Diffraction Pattern of a Pinhole,” Grant Rayner, Bert Copsey, Dani May (Cal Poly undergraduate students), Andrew Ferdinand, Jennifer Rushing, Glen D. Gillen, Katharina Gillen-Christandl, DAMOP, Atlanta, GA, June 15, 2011. Poster presentation.

29. “Neutral Atom Trapping with the Diffraction Pattern from a Circular Aperture for the Generation of a 2D Array of Optical Dipole Traps,” Andrew Ferdinand, Danielle May (Cal Poly Physics undergraduate students), Bert D. Copsey, Grant Rayner, Jennifer Rushing, Glen D. Gillen, and Katharina Gillen-Christandl, Annual Workshop of the Southwest Quantum Information and Technology (SQuInT) network, Boulder, CO, February 18, 2011. Poster presentation.

30. “Investigation of a quantum memory created by diffraction of laser light at an array of pinholes,” Bert David Copsey (Cal Poly undergraduate student), Katharina Gillen-Christandl, Glen D. Gillen, DAMOP, Houston, TX, May 27, 2010. Poster presentation. 

31. “A neutral atom quantum memory created by diffraction of laser light at an array of pinholes,” Katharina Gillen, SQuInT, Santa Fe, NM, February 20, 2010. Talk (competitively accepted).

32. “Polarization-dependent atomic dipole traps behind a pinhole for controllable manipulation of qubit locations in a quantum memory,” Bert David Copsey (Cal Poly undergraduate student), Katharina Gillen-Christandl, Glen D. Gillen, DAMOP, Charlottesville, VA, May 22, 2009. Poster presentation.

33. “Light Polarization Dependence of Optical Dipole Traps Created in the Diffraction Pattern of a Pinhole,” Bert David Copsey (Cal Poly undergraduate student), Katharina Gillen-Christandl, Division of Atomic, Molecular, and Optical Physics (DAMOP) – an international professional meeting of the American Physical Society, Charlottesville, VA, May 21, 2009. Invited talk at the Undergraduate Research Session of DAMOP.

34. “Trapping Atoms in the Diffraction Pattern Behind a Pinhole – A Possible Path to Quantum Computing?,” Katharina Gillen, Oregon Center for Optics Retreat, Eugene, OR, September 19th, 2008. Invited Talk.

35. “Experimental Progress Towards the Development of Neutral Atom Quantum Computing Architecture Based on 2D Optical Lattices on a Chip,” Rajani Ayachitula, Andrew Morss, Katharina Gillen, Gregory Lafyatis, DAMOP, State College, PA, May 29, 2008. Poster presentation.

36. “Investigation of the Polarization Dependence of Optical Dipole Traps for Quantum Computing,” Bert David Copsey (Cal Poly undergraduate student), Katharina Gillen-Christandl, Glen D. Gillen, DAMOP, State College, PA, May 28, 2008. Poster presentation.

37. “Injection Locking Lasers,” Angelica Davidson (Cal Poly Physics undergraduate student), Women in Physics Conference (national conference), University of Southern California, Los Angeles, CA, January 20, 2008. Talk. Angelica’s talk was the only student talk at this conference.

38. “Trapping Atoms with Light: From Pinholes to Quantum Computers,” Katharina Gillen, Women in Physics Conference, University of Southern California, Los Angeles, CA, January 19, 2008. Invited talk.

39. “Diffracted Laser Light for Optical Dipole Trapping and Quantum Computing,” David Gilbert (Cal Poly Physics undergraduate student), Southern California Conference on Undergraduate Research, Cal State Los Angeles, November 17, 2007. Poster presentation.

40. “Polarization-dependent neutral atom trapping potentials of 2D optical lattices on a chip”, Presenter: Bert David Copsey (Cal Poly undergraduate student), Co-authors: Katharina Gillen, Rajani Ayachitula, DAMOP/DAMPhi, Calgary, Alberta (Canada), June 8, 2007. Poster presentation.

Cal Poly Presentations:

1. “Keytanglement: Quantum Key Distribution Simulation using Bell States,” Nayana Tiwari, Alexander Knapen, Julian Rice (Cal Poly undergraduate students), Katharina Gillen, Cal Poly College of Science and Mathematics (CSM) Student Research Conference, May 13, 2022, San Luis Obispo, CA. Poster.

2. “Optimizing Cal Poly’s Cold Atom Optical Trap Setup for Future Quantum Computing,” Alexandra Crawford, Sergio Aguayo, Mohammed Algarni, Justin Jee (Cal Poly Physics undergraduate students), Glen D. Gillen, Katharina Gillen, Women’s Science Fair (hosted by the Gender Equity Center), June 8, 2018, San Luis Obispo, CA. Poster.

3. “Optimizing Cal Poly’s Cold Atom Optical Trap Setup for Future Quantum Computing,” Alexandra Crawford, Sergio Aguayo, Mohammed Algarni, Justin Jee (Cal Poly Physics undergraduate students), Glen D. Gillen, Katharina Gillen, Cal Poly College of Science and Mathematics (CSM) Student Research Conference, May 17/18, 2018, San Luis Obispo, CA. Poster.

4. “Progressing Towards Creating and Characterizing Atoms in a Magneto-Optical Trap,” Sergio Aguayo, Mohammed Algarni, Justin Jee, Josh Solomon (Cal Poly Physics undergraduate students), Katharina Gillen, Frost Fall Symposium, October 20, 2017, San Luis Obispo, CA. Poster.

5. “Progressing Towards Trapping Atoms in a Magneto-Optical Trap,” Sergio Aguayo, Justin Jee, Josh Solomon (Cal Poly Physics undergraduate students), Katharina Gillen, Frost Summer Symposium, August 18, 2017, San Luis Obispo, CA. Talk.

6. “Preparing a magneto-optical atom trap for applications in cold atom quantum computing,” Sergio Aguayo, Joshua Mann, Jenna Valdez (Cal Poly Physics undergraduate students), Program Review Site Visit Poster Session February 2, 2017, San Luis Obispo, CA. Poster.

7. “Preparing a magneto-optical atom trap for applications in cold atom quantum computing,” Sergio Aguayo, Joshua Mann, Jenna Valdez (Cal Poly Physics undergraduate students), Cal Poly Physics Department Fall Poster Conference, October 21, 2016, San Luis Obispo, CA. Poster.

8. “Trapping Atoms with Lasers,” David Roberts, Sara Monahan, Travis Frazer, Jason Schray (Cal Poly undergraduate students), MATHCOUNTS competition, hosted by Cal Poly Mathematics, February 4, 2012, San Luis Obispo, CA. Talk and demonstrations (outreach).

9. “Cal Poly's First Magneto Optical Atom Trap,” Travis Frazer (Physics), Sara Monahan (Physics), David Roberts (EE), Danielle May (Physics), Cal Poly students, Physics Department Colloquium, December 1, 2011. Talk.

10. “How to build a neutral atom quantum computer,” Katharina Gillen, Physics Department Colloquium, May 26, 2011. Talk.

11. “Trapping Neutral Atoms in the Diffraction Pattern Directly Behind a Pinhole,” Dani May (Cal Poly Physics undergraduate student), Katharina Gillen, Cal Poly College of Science and Mathematics (CSM) Student Research Conference, May 12-13, 2011. Poster presentation.

12. “Creating an Ultra High Vacuum for Trapping Atoms,” Grant Rayner (Cal Poly Physics undergraduate student), CSM Student Research Conference, May 13-14, 2010. Poster presentation.

13. “Constructing a Magneto-Optical Trap,” Eric Muckley (Cal Poly Physics undergraduate student), CSM Student Research Conference, May 14-15, 2009. Poster presentation.

14. “Trapping atoms in a magneto-optical trap,” Bert Copsey (ME), Troy Kuersten (Physics/AERO), Eric Muckley (Physics), Cal Poly undergraduate students, Physics Department Colloquium, December 4, 2008. Talk.

15. “Injection-locked laser system for trapping atoms with light,” Angelica Davidson (Cal Poly Physics undergraduate student), CSM Student Research Conference, May 16, 2008. Talk.

16. “Effects of Laser Polarization on Optical Atom Traps for Use in Quantum Computing,” Bert David Copsey (Cal Poly Mechanical Engineering undergraduate student), CSM Student Research Conference, May 15-16, 2008. Poster presentation.