Author Affiliations

Ryuichi KOMATSU,¹ Tamotsu SUGAWARA,¹ Koichi SASSA,¹ Nobuhiko SARUKURA,^*,2 Zhenlin LIU,^*,2 Shinji IZUMIDA,² Yusaburo SEGAWA,² Satoshi UDA,³ Tsuguo FUKUDA,³ and Kazuhiko YAMANOUCHI⁴

¹Advanced Technology Research Laboratories, Central Research Institute, Mitsubishi Materials Corporation, 1-297Kitabukuro-cho, Omiya, Saitama 330, Japan.

²Photodynumics Research Center, The Institute of Physical and Chemical Research (RIKEN), Nagamachi Koeji 19-1399, Aoba-ku, Sendai, Miyagi 980, Japan.

³Institute for Materials Research, Tohoku University, Katahira 2-1-1, Aoba-ku, Sendai, Miyagi 980, Japan.

⁴Research Institute for Electric Communication, Tohoku University, Katahira 2-1-1, Aoba-ku, Sendai, Miyagi 980, Japan.

^*Present address: Institute for Molecular Science, Okazaki National Research Institutes, Myodaiji, Okazaki 444, Japan.