Figure 2 | Scientific Reports

Figure 2

From: 3D printed and spiral lithographically patterned erbium-doped polymer micro-waveguide amplifiers

Figure 2The alternative text for this image may have been generated using AI.

(a) The calculated TE mode profile for the spiral waveguide amplifier (cross section of W = 5 μm, H = 3 μm) and (b) the 3D polymer waveguide amplifier (cross section of W = 2 μm, H = 2 μm) at a wavelength of 1550 nm. (c) The calculated modal confinement (%) for the spiral waveguide amplifier and (d) 3D printed amplifier at 1550 nm. (e) The calculated modal confinement (%) for the spiral waveguide amplifier and (f) 3D printed amplifier at 980 nm.

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