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High Performance Multifunctional Photonic Chip
In article number 2200686, Zhiwei Fang, Ya Cheng, and colleagues demonstrate a robust low‐loss optical interface by tiling undoped TFLN and rare earth ions doped TFLN substrates for monolithic integration of passive/active lithium niobate photonics. The interface loss is 0.26 dB; this robust low‐loss optical interface for passive/active photonic integration...
This work demonstrates a robust low‐loss optical interface by tiling passive (i.e., without doping of active ions) thin film lithium niobate (TFLN) and active (i.e., doped with rare earth ions) TFLN substrates for monolithic integration of passive/active lithium niobate photonics. The tiled substrates composed of both active and passive areas allow for patterning the mask of the integrated active...
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