Carrier Gap Source Three-Row Scan - Ion-Trap Qubits: Sidebands, Shared Modes, and Fluorescence Readout Step by Step

This source scan checks that the carrier drive follows the ion's internal energy gap. The lower level stays at zero while the upper level is set to 6, 8, and 10 joules, so the drive energy must match 6, 8, and 10 joules row by row. Real carrier calibration depends on spectroscopy, laser detuning, linewidth, drift, pulse timing, and uncertainty.

Carrier energy follows the checked internal gap source. Exact arithmetic here means exact results for the stated model inputs; measured inputs still carry uncertainty and significant-figure limits.

highlighted = computed this step

Carrier follows the six-joule gap source

The lower level stays at zero. The upper level sets the checked gap, and the carrier drive must equal that gap.

\Delta E=6\ \text{J},\quad E_{\mathrm{drive}}=6\ \text{J}

Carrier follows the eight-joule gap source

The lower level stays at zero. The upper level sets the checked gap, and the carrier drive must equal that gap.

\Delta E=8\ \text{J},\quad E_{\mathrm{drive}}=8\ \text{J}

Carrier follows the ten-joule gap source

The lower level stays at zero. The upper level sets the checked gap, and the carrier drive must equal that gap.

\Delta E=10\ \text{J},\quad E_{\mathrm{drive}}=10\ \text{J}

Changing the internal gap moves the carrier energy with it

The table keeps packet spacing fixed and varies only the upper level. The carrier energy follows the checked gap in every row.

\begin{array}{c|c|c}U&\Delta&D\\6&6&6\\8&8&8\\10&10&10\\\end{array}