1.0 - Introduction to Module II

The lecture slides are available here Download here.

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This lecture covers the essential concepts of the second module of the course. We focus on the fundamental building blocks for quantum algorithms, including quantum processing unit (QPU) instructions and quantum gates. Notably, the Bell's Pair Circuit introduces the concept of entanglement, while the Phase kick-back circuit and Swap test offer insights into quantum algorithm development. We emphasize the importance of QPU instructions, highlighting their role in expressing quantum algorithms and the need for reversibility and preservation of geometry. We outline the process of programming quantum computers and measuring their outputs and provide a practical example of programming a quantum computer using Qiskit. 

We underscore the power of abstraction that QPU instructions offer to computer scientists, allowing them to design algorithms without delving into the hardware details. 

Finally, I introduce the Circle Notation as a graphical tool for visualizing superpositions and phase changes. Finally, Slide 7 summarizes the key takeaways, emphasizing the role of QPU instructions and the need for tools like Circle Notation to understand quantum algorithms and their underlying complexity.