20-µm-Pitch Eight-Channel Monolithic Fiber Array Coupling 160 Gb/s/Channel to Silicon Nanophotonic Chip

• DOI: 10.1364/nfoec.2010.pdpa4
• Publication Date: 2013-04-12T21:17:21Z
• Authors: B. G. Lee; F. E. Doany; S. Assefa; W. M. J. Green; M. Yang; C. L. Schow; C. V. Jahnes; S. Zhang; J. Singer; V. I. Kopp; J. A. Kash; Y. A. Vlasov
• Keywords: 0211 other engineering and technologies; 02 engineering and technology

A multichannel tapered coupler interfacing standard 250-μm-pitch low-NA polarization-maintaining fiber arrays with ultra-dense 20-μm-pitch high-NA silicon waveguides is designed, fabricated, and tested, demonstrating coupling losses below 1 dB and injection bandwidths of 160 Gb/s/channel.