Four-channel CWDM transmitter chip based on thin-film lithium niobate platform. (1st November 2022)

• Record Type: Journal Article
• Authors: Chen, Kaixuan; Chen, Gengxin; Ruan, Ziliang; Fan, Xuancong; Zhang, Junwei; Gan, Ranfeng; Liu, Jie; Dai, Daoxin; Guo, Changjian; Liu, Liu
• Is Part Of: Journal of semiconductors. Volume 43:Number 11(2022)
• Publication Date: 2022-11-01
• Subjects: transmitter -- lithium niobate -- coarse wavelength-division multiplexing -- electro-optic modulator; Semiconductors -- Periodicals; 621.38152
• DOI: 10.1088/1674-4926/43/11/112301
• Languages: English
• ISSNs: 1674-4926

Abstract

Abstract: Multi-lane integrated transmitter chips are key components in future compact optical modules to realize high-speed optical interconnects. Thin-film lithium niobate (TFLN) photonics have emerged as a promising platform for achieving high-performance chip-scale optical systems. Combining a coarse wavelength-division multiplexing (CWDM) devices using fabrication-tolerant angled multimode interferometer structure and high-performance electro-optical modulators, we demonstrate monolithic on-chip four-channel CWDM transmitter on the TFLN platform for the first time. The four-channel CWDM transmitter enables high-speed transmissions of 100 Gb/s data rate per wavelength channel (i.e., an aggregated date rate of 400 Gb/s).