The passive mode-locking of a Nd:YAP laser at 1.34 μm has been demostrated. By using BDN-3e dissolved in Dimethyl Sulfo-xide good mode-locked pulse-train has been obtained. The total energy of the pulse-train reached 2.2 mJ and 15.3 mJ for free state. The average pulse-duration was 120 ps.