**Upcoming**

53. [Invited] “TBD”, ** CLEO, **Charlotte, NC (May, 2024).

**Finished**

53. [Invited] “Nonlinear topological photonics”, ** CLEO, **Charlotte, NC (May, 2024).

52. [Colloquium] “Nonlinear topological photonics”, ** University of Rochester, **Institute of Optics, Rochester, NY (Nov 6, 2023).

51. [Colloquium] “Nonlinear topological photonics”, ** UPenn Physics**, Philadelphia, PA (Oct 11, 2023).

50. [Colloquium] “Nonlinear topological photonics”, ** University of Rostock**, Rostock, Germany (Sep, 2023).

49. [Plenary] “Nonlinear topological photonics”, ** European Optical Society Annual Meeting,** Dijon, France (Sep, 2023).

48. “Nonlinear topological photonics”, ** Active Photonic Platforms,** San Diego, CA (Aug, 2023).

47. [Seminar] “Nonlinear topological photonics”, ** USC ECE, **Viterbi School of Engineering, Los Angeles, CA (Feb 16, 2023).

46. [Seminar] “Nonlinear topological photonics”, ** Nanyang Tech University, **School of Electronic and Electrical Engineering seminar, Singapore (Jan 5, 2023).

45. [Invited] “Nonlinear topological photonics”, ** Quantum geometric advantage workshop,** Singapore (Jan 4, 2023).

44. [Seminar] “Nonlinear topological photonics”, ** University of Delaware, **QMAN seminar, DE (Dec 5, 2022).

43. [Seminar] “Nonlinear topological photonics”, * Yale University,* Applied Physics, CT (May 11, 2022).

42. [Seminar] “Nonlinear topological photonics”, ** Cornell University,** LASSP/AEP, NY (April 26, 2022).

41. [Seminar] “Nonlinear topological photonics”, ** MIT Physics,** Chez Pierre, MA (April 11, 2022).

40. [Seminar] “Nonlinear topological photonics”, ** University of Washington,** WA (April 7, 2022).

39. [Seminar] “Nonlinear topological photonics”, ** University of Michigan, **AMO/CM, MI (March 29, 2022).

38. [Invited] “Nonlinear topological photonic crystals”, * PIERS* (Nov, 2021).

37. [Invited] “Topologically enabled novel resonances for photonic integration”, * Army Research Lab* (Oct, 2021).

36. [Seminar] “Nonlinear topological photonics”,* ***University of Southern California,** CA (Apr 20, 2021).

35. [Invited] “Topological photonics at the nanoscale”,* ***APS March Meeting,** online (Mar 15, 2021).

34. [Invited] “Nonlinear topological photonic crystals in 1D and 2D”, * AFOSR EM contractor meeting,* (Mar 2, 2021).

33. [Seminar] “Topological photonics at the nanoscale”, * University of Florida, *FL (Jan 25, 2021).

32. [Invited] “Topologically enabled novel resonances for photonic integration”, * ASPSM* (No

*v, 2020).*

31. [Invited]* *“Quadrupole topological photonic crystals”,* ***Metamaterials,** New York, NY (Oct, 2020).

30. [Invited] “Topological physics in nonlinear optical systems”,* ***SPIE Active Photonic Platforms XII,** San Diego, CA (Aug 25, 2020).

29. [Colloquium] “Topological photonics at the nanoscale”,* Argonne National Lab, IL (Aug 5, 2020).*

28.* *[Colloquium] “Topological photonics at the nanoscale”, **UPenn** (April 22, 2020).

27.* *[Invited]* *“Floquet Chern insulators of light*” AFOSR EM contractor meeting, DC (Feb 13, 2020). *

26.* *[Invited]* *“Floquet Chern insulators of light*” APS March Meeting, Boston, MA (March 6, 2019). *

25. [Invited] “Topological Photonics in Open Systems”, *PQE,**Snowbird, Utah (Jan** 9, 2019). *

24. [Invited] “Topological Photonics in Open Systems”, *Emergent topological order in classical systems,**Santa Fe, NM (Aug** 19, 2018). *

23. [Invited] “Topological Photonics in Open Systems”, 33rd ** Summer Conference on Topology and its Applications,** Bowling Green, KY (

*July 17,*

*2018).*

22. [invited] “Non-Hermitian Topological Photonics”, **CLEO*** , San Jose, CA* (

*May*

*14, 2018)*

21. [Invited] “Non-Hermitian topological photonics“, Workshop on photonic topological insulators, * Banff International Reseach Station* (

*Sep 2017*).

20. [Colloquium] “Topological properties of novel resonant states in nanophotonics”, Department of Physics, * University of Washington* (

*Apr 2017*).

19. [Seminar] “Nanophotonics in systems of large sizes”, ECEE, * University of Colorado, Boulder* (

*Mar*

*2017*).

18. [Seminar] “Nanophotonics in systems of large sizes“, Department of Electrical Engineering, * University of Washington* (

*Mar*

*2017*).

17. [Seminar] “Nanophotonics in systems of large sizes”, Department of Electrical and Computer Engineering, ** UCSD** (

*Feb 2017*).

16. [Seminar] “Nanophotonics in systems of large sizes“, Physics Department, * University of Pennsylvania* (

*Feb 2017*).

15. [Seminar] “Nanophotonics in systems of large sizes“, Department of Electrical & Systems Engineering, * WUSTL* (

*Feb 2017*).

14. [Seminar] “Nanophotonics in systems of large sizes”, Department of Electrical Engineering, * Penn. State University* (

*Jan*

*2017*).

13. [Seminar] “Nanophotonics in systems of large sizes“, Physics Department, * Virginia Tech* (

*Jan*

*2017*).

12. [Seminar] “Nanophotonics in systems of large sizes“, Institute of Optics, * University of Rochester* (

*Jan*

*2017*).

11. [Seminar] “Topological properties of novel resonant states in nanophotonics“,* University of Notre Dame* (

*Dec 2016*).

10. [invited]* *“Topological theory of disallowed couplings”,

**, Rochester, NY,**

*FIO/LS**2016*.

9. “High-Purcell high-quantum-yield gap-plasmon spontaneous emission enhancement based on optically thin metallic substrates”, * CLEO*, San Jose, CA,

*June 2016*.

8. “Spawning rings of exceptional points out of Dirac cones”, * CLEO*, San Jose, CA,

*June 2016*.

7. [Seminar] “Nanophotonics in systems of large sizes”, at CREOL, UCF, Orlando, FL, *Mar 2016*.

6. [invited] “Topological nature of exotic resonances in nanophotonic systems of large sizes”, * Physics of Quantum Electronics*, Snowbird, UT,

*Jan 2016*.

5. [invited] “Spawning rings of exceptional points out of Dirac cones”, * Frontier in Optics*, San Jose, CA,

*Oct 2015*.

4. [Seminar] “Nanophotonics in systems of large sizes”, *Physics Department, *Penn. State Univ.,

*Oct 2015*.

3. “Topological nature of bound states in the continuum and their applications in generating high-order vector beams”, Special symposium on “Breaking Limits with Unconventional Optical Fields”, * CLEO*, San Jose, CA,

*May 2015*.

2. [Post-deadline] “Topological nature of bound states in the continuum”, * Frontier in Optics*, Tucson, AZ,

*Oct 2014*.

1. “Enabling enhanced emission and low-threshold lasing of organic molecules using special Fano resonances of macroscopic photonic crystals”, * CLEO*, San Jose, CA,

*June 2014*.