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DTSTAMP:20260402T024534Z
LOCATION:Level 3 Lobby
DTSTART;TZID=America/Los_Angeles:20250622T180000
DTEND;TZID=America/Los_Angeles:20250622T190000
UID:dac_DAC 2025_sess261_RESEARCH1809@linklings.com
SUMMARY:Blaqsmith: Resolving Two-Qubit Gate Count Explosion in T-Count-Opt
 imized Quantum Circuits
DESCRIPTION:Mu-Te Lau, Hsiang-Chun Yang, Hsin-Yu Chen, and Chung-Yang (Ric
 ) Huang (National Taiwan University)\n\nState-of-the-art quantum circuit o
 ptimization (QCO) algorithms for T-count reduction often cause a significa
 nt increase in two-qubit gate count (2Q-count), a problem that current 2Q-
 count optimization techniques struggle to mitigate. We present Blaqsmith, 
 a novel two-stage QCO flow that effectively counteracts the 2Q-gate surges
  in T-count-optimized Clifford+T circuits, achieving a 38.4% reduction in 
 ancilla-free scenarios and 25.3% with ancillae. Furthermore, Blaqsmith sca
 les to larger circuits by incorporating a perturbation-based heuristic tha
 t reduces runtime and memory usage. These advancements improve both the qu
 ality and scalability of Clifford+T circuit compilation.\n\nTracks: DES5: 
 Emerging Device and Interconnect Technologies\n\n
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