Author Affiliations

Yu Tanaka,^1),3),* Mitsuru Ishida,⁵⁾ Yasunari Maeda,³⁾ Tomoyuki Akiyama,³⁾ Tsuyoshi Yamamoto,^1),2),6) Hai-zhi Song,¹⁾ Masaomi Yamaguchi,³⁾ Yoshiaki Nakata,^1),3) Kenichi Nishi,³⁾ Mitsuru Sugawara,^1),2),3),6) and Yasuhiko Arakawa^4),5)

¹⁾Fujitsu Laboratories Ltd., 10-1 Morinosato-Wakamiya, Atsugi 243-0197, Japan

²⁾Fujitsu Ltd., 10-1 Morinosato-Wakamiya, Atsugi 243-0197, Japan

³⁾QD laser inc., 1-8-1 Ohtemachi, Tokyo 100-0004, Japan

⁴⁾Institute for Industrial Science and Research Center for Advanced Science and Technology, the University of Tokyo, 4-6-1 Komaba, Tokyo 153-8505, Japan

⁵⁾Institute for Nano Quantum Information Electronics, the University of Tokyo, 4-6-1 Komaba, Tokyo 153-8505, Japan

⁶⁾Optoelectronic Industry and Technology Development Association (OITDA), 1-20-10 Sekiguchi, Tokyo 112-0014, Japan

^*Corresponding author: yu_tanaka@jp.fujitsu.com