Figure 3
From: All-optical tunable buffering with coupled ultra-high Q whispering gallery mode microcavities
Setup for all-optical tunable buffering. TLS: Tunable laser source. IM: Intensity modulator. EDFA: Erbium-doped fibre amplifier. VOA: Variable optical attenuator. BPF: Band pass filter. PC: Polarization controller. TEC: Thermoelectric cooler. LEDFA: L-band EDFA. PD: Photodetector. OSO: Optical sampling oscilloscope. PPG: Pulse pattern generator.
