Figure 3 | Scientific Reports

Figure 3

From: All-optical differential equation solver with constant-coefficient tunable based on a single microring resonator

Figure 3

Schematic diagram of the experimental setup.

First, a continuous wave beam is emitted by a tunable laser source and is then modulated by the bit pattern generator. Subsequently, the signal is coupled into the MRR by the designed grating coupler. Finally, the MRR output is amplified and observed. TLS: tunable laser source. PC: polarization controller. BPG: bit pattern generator. MZM: Mach-Zehnder modulator. EDFA: erbium doped fiber amplifier. ATT: attenuator. CSA: communication signal analyzer.

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