  Detection of low-reflectivity objects can be improved by the so-called
quantum illumination procedure. However, quantum detection probability
exponentially decays with the source bandwidth. The Josephson Parametric
Amplifiers (JPAs) technology utilized as a source, generating a pair of
entangled signals called two-mode squeezed vacuum states, shows a very narrow
bandwidth limiting the operation of the microwave quantum radar (MQR). In this
paper, for the first time, a microwave quantum radar setup based on quantum
illumination protocol and using a Josephson Traveling Wave Parametric Amplifier
(JTWPA) is proposed. Measurement results of the developed JTWPA, pumped at 12
GHz, show an ultrawide bandwidth equal to 10 GHz at X-band making our MQR a
promising candidate for the detection of stealth objects.
