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Picophotonics

Singular evanescent wave resonances in moving media Resonators fold the path of light by reflections leading to a phase balance and thus constructive addition of propagating waves. However, the amplitude decrease of these waves due to incomplete reflection or material absorption leads to a finite...

Xueji Wang named 2022 DARPA Riser

Exciting news as Xueji Wang, PhD student in our group, has been selected as a Defense Advanced Research Projects Agency (DARPA) Riser for 2022. Mr. Wang will participate in the DARPA’s Forward conference series that provides networking opportunities to discover and engage new talents.

Bulk Properties of Topological Crystalline Insulators

Seminar Link: Picoelectrodynamics Theory Network - YouTube Abstract The discovery of topological materials is one of the most transformative recent breakthroughs in condensed matter physics, revealing new conceptual surprises in established topics such as the phases of matter and the behavior of...

Pico-electrodynamics

Seminar Link: Picoelectrodynamics Theory Network - YouTube Abstract Over the past three decades, graphene has become the prototypical platform for discovering topological phases of matter. Both the Chern C∈Z and quantum spin Hall υ∈Z2 insulators were first predicted in graphene, which led to a...

Pico-electrodynamics by Dr. Sathwik Bharadwaj

Dr. Sathwik Bharadwaj spoke about the concept of photonic frequency (ω) - momentum (q) dispersion that has been extensively studied in artificial dielectric structures such as photonic crystals and metamaterials. However, the ω-q dispersion of electrodynamic excitations hosted in natural materials...

A Contemporary View On Topological Band Theory & New Euler Class Phenomena

Seminar Link: Picoelectrodynamics Theory Network - YouTube A Contemporary View On Topological Band Theory & New Euler Class Phenomena In this talk, I will cover a selection of our recent work on topological characterizations in a rather colloquial style. In particular, I will review how constraints...