Receiver Integration with Arrayed Waveguide Gratings toward Multi-Wavelength Data-Centric Communications and Computing

被引：10

作者：

Doi, Yoshiyuki ^{[1
]}

Yoshimatsu, Toshihide ^{[1
]}

Nakanishi, Yasuhiko ^{[1
]}

Tsunashima, Satoshi ^{[1
]}

Nada, Masahiro ^{[1
]}

Kamei, Shin ^{[1
]}

Sano, Kimikazu ^{[1
]}

Ishii, Yuzo ^{[1
]}

机构：

[1] NTT Corp, NTT Device Innovat Ctr, 3-1 Morinosato Wakamiya, Atsugi, Kanagawa 2430198, Japan

来源：

APPLIED SCIENCES-BASEL | 2020年 / 10卷 / 22期

关键词：

arrayed waveguide grating; fiber optic communications; data centric; Ethernet; planar lightwave circuit; optical sub-assembly; integrated photonics; DEMULTIPLEXER; MULTIPLEXER; COMPACT; FLAT;

D O I：

10.3390/app10228205

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Featured Application Wavelength-division multiplexing, client-side optical link, mobile backhaul, datacenter network, data-centric communications and computing. This paper reviews receivers that feature low-loss multimode-output arrayed waveguide gratings (MM-AWGs) for wavelength division multiplexing (WDM) as well as hybrid integration techniques with high-speed throughput of up to 100 Gb/s and beyond. A design of optical coupling between higher-order multimode beams and a photodiode for a flat-top spectral shape is described in detail. The WDM photoreceivers were fabricated with different approaches. A 10-Gb/s photoreceiver was developed for a 1.25-Gb/s baud rate and assembled for eight-channel WDM by mechanical alignment. A receiver with 40-Gb/s throughput was built by using visual alignment for a 10-Gb/s baud rate and four-channel WDM. A 100-Gb/s receiver assembled by active alignment with a four-channel by 25-Gb/s baud rate is the basis for beyond-100 Gb/s and future multi-wavelength integrated devices toward data-centric communications and computing.

引用

页码：1 / 13

页数：13

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