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[μ f E Lab Presentations]

29. H. Patel, L. Huang, C.J. Kim, J. Park, M. W. Graham (2017), A Fine Structure of Strongly-Bound Interlayer Exciton States in Twisted Bilayer Graphene, OSA Technical Digest, 2 pages, doi:10.1364/CLEO_QELS.2017.FTh1F.5 (.pdf)

28. H. Patel, K. T. Vogt, L. Huang, J. Park, M. W. Graham (2017), Ultrafast Microscopy Captures the Dynamics of Bound Excitons in Twisted Bilayer van der Waals Materials, Proc SPIE (keynote invited paper), 10 pages, doi:10.1117/12.2262003 (.pdf)

27. K. Vogt, S. Shi, F. Wang, M. W. Graham (2016), Dynamic Resolution of Photocurrent Generating Pathways by Field-Dependent Ultrafast Microscopy, OSA Technical Digest: Ultrafast Phenomena, doi:10.1364/UP.2016.UW2A.3, 3 pages (.pdf)

26. K. Vogt, S. Shi, F. Wang, M. W. Graham (2016), Isolating Exciton Extraction Pathways with Electric Field-Dependent Ultrafast Photocurrent Microscopy, CLEO: OSA Proceedings, doi: QELS-2016-FTu4L.6 (.pdf)

25. J. Chmeliov, J. Narkeliunas, M.W. Graham, G.R. Fleming, L.V. Valkunas (2016), Exciton–exciton annihilation and relaxation pathways in semiconducting carbon nanotubes, Nanoscale, 8, 1618-26 (.pdf)

24. H. Patel, R. Havener, L. Brown, Y. Liang, L. Yang, J. Park, M.W. Graham (2015), Tunable Optical Excitations in Twisted Bilayer Graphene Form Strongly Bound Excitons, Nano Letters, 15, 5932-7 (.pdf)

Video 1 |Video 2 | Video 3 | | Supporting Info |

23. Y. Liang, R. Soklaski, S. Huang, M.W. Graham, R. Havener, J. Park, L. Yang (2014) Strongly bound excitons in gapless two-dimensional structures, Phys Rev B, 90, 115418

22. M.W. Graham (2013), Carbon Nanotubes; Captured on Camera, Nature Nanotechnology, 8, 894-5

Older Publications:

21. M.W. Graham, S. Shi, Z. Wang, D.C. Ralph, J. Park, P.L. McEuen (2013) Transient absorption and photocurrent microscopy show hot electron supercollisions describe the rate-limiting relaxation step in graphene, Nano Letters, 13, 5949-5952

20. C.-J. Kim, L. Brown, M.W. Graham, R. Hovden , R.W. Havener, P.L. McEuen, D.A. Muller, and J. Park (2013), Stacking Order Dependent Second Harmonic Generation and Topological Defects in h-BN Bilayers, Nano Letters, 13, 5660-5

19. M.W. Graham, S. Shi, D.C. Ralph, J. Park, P.L. McEuen (2013), Photocurrent measurements of supercollision cooling in graphene , Nature Physics, 9, 103
(scienctific/popular press coverage)

18. M.W. Graham, S. Shi, D.C. Ralph, J. Park, P.L. McEuen (2013), Two-pulse space-time photocurrent correlations at graphene p-n junctions reveal hot carrier cooling dynamics near the Fermi level, Eur Phys J: Ultrafast Phenomena XVIII , 41, 0402

17. J. Kwak, J. Hwang, M.W. Graham, H. Alsalman, N. Munoz, B. Calderon, D. Campbell, M.G. Spencer, A high response MoS2-graphene hetero-junction photodetector with broad spectral range IEEE DRC Proceeding, 1-2, 2013

16. T.R. Calhoun, J. Davis, M. W. Graham, G. R. Fleming, (2012) The Separation of Overlapping Transitions in Β-carotene with Broadband 2D Electronic Spectroscopy, Chemical Physics Letters (Frontiers article), 523, 1-5

15. M.W. Graham, T.R. Calhoun, A. Green, M. C. Hersam, G. R. Fleming, (2012) Two-dimensional electronic spectroscopy reveals the dynamics of phonon mediated excitation pathways in semiconducting single-walled carbon nanotubes, Nano Letters, 12, 813-819

14. M.W. Graham, Y.-Z. Ma, A. Green, M. C. Hersam, G. R. Fleming, (2011) Pure dephasing dynamics in semiconducting single-walled carbon nanotubes, Journal of Chemical Physics, 134, 034504-17

13. M.W. Graham, J. Chmeliov, Y.-Z. Ma, H. Shinohara, A.A. Green, M.C. Hersam, L. Valkunas, G.R. Fleming, (2011) Exciton Dynamics in Semiconducting Carbon Nanotubes, J Phys Chem B, Shaul Mukamel Fretschift Issue, 115, pp 5201–5211

12. M.W. Graham, T. Calhoun, A. Green, M.C. Hersam, G.R. Fleming, (2010) Two-dimensional electronic spectroscopy of semiconducting single-walled carbon nanotubes, Ultrafast Phenomena XVII (Oxford Series in Chemical Physics), pp. 221-224

11. T. Calhoun, J. Davis, M. Graham, G.R. Fleming, (2010) Vibrationally mediated dynamics in beta-carotene probed with broadband 2D electronic spectroscopy, Ultrafast Phenomena XVII (Oxford Series in Chemical Physics), pp. 568-570

10. J. Wang, M. W. Graham, Y.-Z. Ma, G. R. Fleming, R. Kaindl, (2010) Ultrafast Spectroscopy of Midinfrared Internal Exciton Transitions in Separated Single-Walled Carbon Nanotubes, Physcial Review Letters, 104, 177401.

9. J. Wang, M. W. Graham, Y.-Z. Ma, G. R. Fleming, R. Kaindl, (2010) Mid-Infrared Intra-Excitonic Response of Separated Single-Walled Carbon Nanotubes, Ultrafast Phenomena XVII (Oxford Series in Chemical Physics), pp. 568-570

8. M.W. Graham, Y.-Z. Ma , A. Green, M. C. Hersam, G.R. Fleming (2010) Exciton annihilation and dephasing dynamics in semiconducting single-walled carbon nanotubes , Proc. of SPIE, 7600, 76001F1-13 (invited manuscript)

7. D. Abramavicius, Y.-Z. Ma, M. W. Graham, L. Valkunas, G. R. Fleming, (2009) Dephasing in semiconducting single-walled carbon nanotubes induced by exciton-exciton annihilation, Phys Rev B, 79, 195445-195451

6. Y.-Z. Ma, M. W. Graham and G. R. Fleming and A. Green and M. C. Hersam, (2008) Ultrafast Exciton Dephasing in Semiconducting Single-Walled Carbon Nanotubes, Physcial Review Letters 101, 217402-6

5. M.W. Graham, Y.-Z. Ma, G. R. Fleming, (2008) Femtosecond Photon Echo Spectroscopy of Semiconducting Single-Walled Carbon Nanotubes, Nano Letters, 8 (11), 3936-3941

4. Y.-Z. Ma, M. W. Graham, G. R. Fleming and A. Green, M. C. Hersam, (2008) Exciton Dephasing in Semiconducting Single-walled Carbon Nanotubes. Ultrafast Phenomena XVI, Springer Series in Chemical Physics, 92, 277

3. Y.-Z. Ma, M. W. Graham, M. Prantil, A. Van Tassel, G. R. Fleming, (2008) Femtosecond infrared spectroscopy of semiconducting single-walled carbon nanotubes , J Phys Chem B, 112, 16030-16034

2. Y.-Z. Ma, M. W. Graham, L. Valkunas, S. M. Bachilo, G. R. Fleming, (2006) Probing exciton dynamics of semiconducting single-walled carbon nanotubes using photon echo spectroscopy. Ultrafast Phenomena XV (Springer Series in Chemical Physics)

1. M. Salvador, M. W. Graham, G. D. Scholes (2006) Exciton-phonon coupling and disorder in the excited states of CdSe colloidal quantum dots, Journal of Chemical Physics, 125, 184709-184725


Graham Lab: Conference and Colloquium Talks

2017: (PI, Matt Graham is speaking unless other Graham lab members are listed)

28. Apple, Cupertino, CA [talk by Kyle Vogt, M. Graham]

27. International Workshop on Ultrafast Dynamics & Metastability (invited talk), Washington, DC

26.
20th EDISON, International Conference on Electron Dynamics in Semiconductors, and Nanostructures[oral], Buffalo, NY

25. ACS NORM, 72nd Northwest ACS Meeting (invited talk), Corvallis, OR

24. 231st Electrochemical Society Meeting (ECS, invited talk) , New Orleans, LA

23. Portand State Physics Department Seminar (invited talk), Portland, OR

22.CLEO: QELS Quantum Electronics and Laser Science [oral, Hiral Patel], San Jose, CA,

21.SPIE DCS- Ultrafast Bandgap Photonics (invited talk), Anaheim, CA,

20. MRS Spring Meeting [oral], Pheonix, AZ

19. APS March Meeting, New Orleans, LA, [oral talks by both Kyle Vogt & Hiral Patel]

18. Ultrafast Phenomena in Semiconductors (invited talk) SPIE Photonics West[oral], San Francisco, CA

2016:

17. Oregon BestFest [invited posters], Portland OR

16.
Optical Molecular & Quantum Science (OMQ) Symposium 2016 invited[oral], Eugene OR

15. 20th International Conference on Ultrafast Phenomena [oral], Santa Fe, NM

14. CLEO: QELS Quantum Electronics and Laser Science [oral, Kyle Vogt], San Jose, CA

13. 229th Electrochemical Society Meeting (ECS, [oral-invited]) , San Diego, CA

12. OSA Regional Conferernce [oral-invited] , Corvallis OR

2015:

11. Graphene Week 2015, the Graphene Flagship [oral, Hiral Patel], Manchester, United Kingdom

10. APS/AAPT New Physics Faculty Workshop, American Centrer for Physics[participant], College Park, MD

9. 6th Workshop on Nanotube Optics & Nanospectroscopy (WONTON)[oral], Kloster Banz Abbey, Germany

8. SSP Annual Awards Night [Spectroscopy Soc. of Pittsburgh National Starter Award acceptance], Pittsburgh, PA

7.
Materials Research Society (MRS) Spring Meeting, San Francisco [oral], CA, US

6. APS March Meeting [oral, Hiral Patel], San Antonio TX

2014:

5. Reed College, Physics Department Colloquium [oral], Portland OR

4. APS New Laser Scientist Conference at FiO [oral], Tucson AZ

3. Willamette University, Physics Department Colloquium [oral], Salem OR

2. International Conference on Coherent Multidimensional Spectroscopy [posters], Eugene OR

1. Oregeon State University, Materials Science Seminar [oral], Corvallis OR