1. 1) 総務省:“令和3年版情報通信白書,”Jul. 2021
2. 2) Broadcom Product News: "Broadcom ships Tomahawk 4, industry's highest bandwidth ethernet switch chip at 25.6 Terabits per second," Dec. 19, 2019
3. 3) 藏田和彦,竹村浩一:“シリコン(Si)フォトニクス技術とその光電子集積システムへの応用,”エレクトロニクス実装学会誌,Vol. 20, No. 5, pp. 296–301, Sep. 2017
4. 4) Consortium for On-Board Optics: https://www.onboardoptics.org/
5. 5) Co-Packaged Optics Collaboration: http://www.copackagedoptics.com/