Media type: E-Article Title: Generation of Phase States by Two-Photon Absorption Contributor: Ezaki, Hiromi; Hanamura, Eiichi; Yamamoto, Yoshihisa imprint: American Physical Society (APS), 1999 Published in: Physical Review Letters Language: English DOI: 10.1103/physrevlett.83.3558 ISSN: 0031-9007; 1079-7114 Keywords: General Physics and Astronomy Origination: Footnote: