QNUS: Reducing Terminal Resources in Quantum Secure Direct Communication Network Using Switches

<div>Structure of node <i>A</i> in Figure <a href="../fig4/">4</a>. The light gray area indicates node <i>A</i> which connects to node <i>B</i>, <i>C</i>, and <i>D</i> through links 1, 2, and 3. SW: optical switch. Tx and Rx: QSDC transmitter and receiver.</div>

Quantum Engineering

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Figure 5

Figure 5: QNUS: Reducing Terminal Resources in Quantum Secure Direct Communication Network Using Switches 