4 papers
Non-Binary Quasi-Cyclic LDPC Codes with Entanglement Assistance
Pavan Kumar, Shayan Srinivasa Garani
We construct two families of non-binary entanglement assisted (EA) quasi-cyclic (QC) quantum low-density parity-check (QLDPC) codes over arbitrary finite fields, each possessing a…
Optimizing Encoder Circuits of Entanglement-Assisted Quantum LDPC Codes via Beam Search
Aditya Sodhani, Pavan Kumar, Shayan Srinivasa Garani +1
In encoder circuits built on the stabilizer formalism, the dominant contribution to circuit complexity comes from the use of controlled (CNOT) gates, making CNOT-count reduction a…
Two-dimensional Entanglement-assisted Quantum Quasi-cyclic Low-density Parity-check Codes
Pavan Kumar, Shayan Srinivasa Garani
For any positive integer , we derive general condition for the existence of a -cycle in the Tanner graph of two-dimensional (-D) classical quasi-cyclic (QC) low-den…
Entanglement-assisted Quasi-cyclic Quantum Low-density Parity-check Codes over Qubits
Pavan Kumar, Abhi Kumar Sharma, Karthik Bharadwaj +1
We construct several families of entanglement-assisted quasi-cyclic quantum LDPC (EA-QC-QLDPC) codes via structured tilings of permutation matrices. The entanglement-unassisted por…