*Takanori Nishiyama^1,2, Mitsumu K. Ejiri^1,2, Takuo T. Tsuda³, Katsuhiko Tsuno⁴, Toru Takahashi⁵, Makoto Abo⁶, Takuya Kawahara⁷, Takayo Ogawa⁴, Satoshi Wada⁴, Takuji Nakamura^1,2 (1.National Institute of Polar Research, 2.The Graduate University for Advanced Studies, SOKENDAI, 3.The University of Electro- Communications, 4.RIKEN, 5.University of Oslo, 6.Tokyo Metropolitan University, 7.Shinshu University)

*Mitsumu K. Ejiri^1,2, Takanori Nishiyama^1,2, Takuo T. Tsuda³, Makoto Abo⁴, Katsuhiko Tsuno⁵, Takuya Kawahara⁶, Takayo Ogawa⁵, Satoshi Wada⁵, Takuji Nakamura^1,2 (1.National Institute of Polar Research, 2.The Graduate University for Advanced Studies, SOKENDAI, 3.The University of Electro-Communications, 4.Tokyo Metropolitan University, 5.RIKEN, RAP, 6.Shinshu University Faculty of Engineering)