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Characterising quantum states of light in the 2 ${\mu}m$ band requireshigh-performance shot-noise limited detectors. Here, we present thecharacterisation of a homodyne detector that we use to observe vacuumshot-noise via homodyne measurement with a 2.07 ${\mu}m$ pulsed mode-lockedlaser. The device is designed primarily for pulsed illumination. It has a 3 dBbandwidth of 13.2 MHz, total conversion efficiency of 58% at 2.07 ${\mu}m$ anda common-mode rejection ratio of 48 dB at 39.5 MHz. The detector begins tosaturate at 1.8 mW with 9 dB of shot-noise clearance at 5 MHz. Thisdemonstration enables the characterisation of megahertz-quantum opticalbehaviour in the 2 ${\mu}m$ band.

Shot-Noise Limited Homodyne Detection for MHz Quantum Light Characterisation in the 2 {\mu}m Band