Fig. 5: Simulated and measured results of the 8-channel DWDM. | Nature Communications

Fig. 5: Simulated and measured results of the 8-channel DWDM.

From: An 8×240 Gbps dense wavelength division multiplexing transmitter with lithium tantalate

Fig. 5: Simulated and measured results of the 8-channel DWDM.The alternative text for this image may have been generated using AI.

a Schematic illustration of the 8-channel DWDM by cascading 8 flat-top optical filters; b simulated optical transmission spectra of coupled FP cavities with cavity lengths of Lt = 357, 397, 437, 477, 517, 557, 597, and 637 nm, respectively; c optical microscopic image of the fabricated DWDM; d measured optical transmission spectra of the fabricated DWDM.

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