Near-zero power tuning! Chinese team breaks through the bottleneck of optical interconnect chips and creates non-volatile intelligent programmable micro-ring array optical transceiver chips. (IMAGE)

Chinese Society for Optical Engineering

Near-zero power tuning! Chinese team breaks through the bottleneck of optical interconnect chips and creates non-volatile intelligent programmable micro-ring array optical transceiver chips.

Caption

Fig. 1 PCM‑powered MRR‑based transceiver structure and principal. a Schematic of the MRR‑based transceiver integrated with PCMs. b‑c The comb, transmitter, and receiver spectrum (b) before and (c) after MRRs’resonance wavelength non‑volatile trimming, respectively. d Detailed structure of the MRR integrated with SbSe patch. e EDS mappings of the SbSe‑Si heterogeneous phase shifter cross‑section. The distribution areas of Se and Sb overlap in the figure. f Microscope image of the fabricated four MRRs in cascade

Credit

Liangjun Lu; Yu Li

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CC BY

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