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Wednesday, July 31, 2024 12:00 pm - 1:00 pm EDT (GMT -04:00)

IQC Student Seminar Featuring Itammar Steinberg, Weizmann Institute of Science

Entanglement distillation and DIQKD

QNC building, 200 University Ave. Room 1201, Waterloo 

Quantum entanglement can be quantified in many ways, some of which bear clear operational meanings. The Distillable Entanglement and DIQKD rate are two such measures, speculated to be equivalent as stated by the Revised Peres Conjecture (Friedman and Leditzky, 21). Our research lays foundations to the conjecture’s proof, most notably using the notion of ‘private states’, a family of quantum states that arise naturally in the context of QKD.  Asking questions such as “what kind of private state can be resulted from a certain DIQKD protocol?”, we were able to provide simple sufficient conditions for the Revised Peres Conjecture to hold.

Friday, August 2, 2024 10:00 am - 12:00 pm EDT (GMT -04:00)

USEQIP Tutorial: QI with Harmonic Oscillators

Mohammad Ayyash, IQC, Researcher

QNC building, 200 University Ave. Room 1201, Waterloo 

An overview of quantum harmonic oscillators is given. The phase space picture of quantum mechanics is discussed with a special focus on Wigner functions. An overview of Gaussian states and channels is discussed. Non-classical states and their phase-space signatures are explored. Some examples of non-classical states used for encoding logical quantum information and their properties are explored. If the time permits, current research directions and popular implementation platforms will be discussed.