Fig. 2. Detailed experimental setup for parallel all-optical teleportation.

a Alice, Bob, and Victor act as sender, receiver, and verifier of the all-optical teleportation (AOT), respectively. Alice and Bob are connected by an all-optical channel. ${\widehat{a}}_{\mathrm{in}}$ input state populated by a coherent state $∣{\alpha }_{\mathrm{in}}⟩$, EPR state Einstein-Podolsky-Rosen entangled state, ⁸⁵Rb vapor cell, HWP half wave plate, PZT piezoelectric transducer, PBS polarization beam splitter, AOM acousto-optic modulator, SLM spatial light modulator, GL Glan-Laser polarizer, GT Glan-Thompson polarizer, ${\widehat{a}}_{\mathrm{out}}$ retrieved state, D₁ photodetector, OS oscilloscope, 50:50 50:50 beam splitter, SA spectrum analyzer. The resolution bandwidth (RBW) of the SA is 1 MHz. The video bandwidth (VBW) of the SA is 100 Hz. b Energy level diagram of ⁸⁵Rb D₁ line for four-wave mixing (FWM) process in our scheme. Δ one-photon detuning, δ two-photon detuning.