Using HDLs for describing quantum circuits: a framework for efficient quantum algorithm simulation

  • Authors:
  • Mihai Udrescu;Lucian Prodan;Mircea Vlǎdutiu

  • Affiliations:
  • "Politehnica" University, Romania;"Politehnica" University, Romania;"Politehnica" University, Romania

  • Venue:
  • Proceedings of the 1st conference on Computing frontiers
  • Year:
  • 2004

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Abstract

The quantum algorithms could efficiently solve problems having exponential classical solutions [8]. The circuit model is considered as the most feasible implementation of the quantum algorithms [17]. This paper tries to find common ground between classical circuit design techniques and quantum computation, by identifying quantum circuit specification and simulation tools under the form of Hardware Description Languages (HDLs). The HDL-based simulation approach could reduce the complexity of quantum circuit simulation, by considering entanglement as the main source of gate-level simulation complexity, and isolating it in an automated manner. This is possible by taking advantage of the HDL feature of describing a circuit with both structural and functional architectures. We also performed an analysis of our methodology effectiveness, for the arithmetic circuits involved in Shor's algorithm and the circuits implementing Grover's algorithm. Our method is further improved by an entangled representation avoidance technique called 'bubble logic insertion'.