Block-based quantum-logic synthesis

Understand

In this paper, the problem of constructing an efficient quantum circuit for the implementation of an arbitrary quantum computation is addressed.

• To this end, a basic block based on the cosine-sine decomposition method is suggested which contains $l$ qubits.
• In addition, a previously proposed quantum-logic synthesis method based on quantum Shannon decomposition is recursively applied to reach unitary gates over $l$ qubits.
• Then, the basic block is used and some optimizations are applied to remove redundant gates.