Two-qubit pure state tomography by five product orthonormal bases<xref rid="cpb_27_10_100306_fn1" ref-type="fn">*</xref><fn id="cpb_27_10_100306_fn1"><label>*</label><p>Project supported partially by the National Key Research and Development Program of China (Grant No. 2016YFB1000902), the National Natural Science Foundation of China (Grant No. 61472412), and the Program for Creative Research Group of the National Natural Science Foundation of China (Grant No. 61621003).</p></fn>

Two-qubit pure state tomography by five product orthonormal bases**

Project supported partially by the National Key Research and Development Program of China (Grant No. 2016YFB1000902), the National Natural Science Foundation of China (Grant No. 61472412), and the Program for Creative Research Group of the National Natural Science Foundation of China (Grant No. 61621003).

Wang Yu^{1, 2}, Shang Yun^{1, 2, 3, 4, †}

Three circuits for one qubit tomography. The measurement parts are the projective measurement {|0⟩⟨0|, |1⟩⟨1|}. Before measurement, we take the unitary operation H, , and I on the unknown qubit state respectively.