December 2004 Vol. 2 No. 12

Laboratory Strategies

• Research and Development that Creates New Value

R&D Spirits

• Musical Knowledge Programming for a New Form of Music Distribution

Selected Papers : Trend of Quantum Information Technologies

• Multiphoton Transitions in a Superconducting Flux Qubit
• Accessibility between Entangled States
• Differential-phase-shift Quantum Key Distribution

Special Feature : Optical Fiber Amplification Technologies and Their Applications

• Overview of Wideband Optical Fiber Amplification Technologies
• Wideband Rare-earth-doped Fiber Amplification Technologies - Gain Bandwidth Expansion in the C and L bands
• Wideband Rare-earth-doped Fiber Amplification Technologies - O-band and S-band Amplification Technologies
• Tellurite Fiber Raman Amplifiers

Regular Papers

• A Cross-lingual Communication System with Agent-mediated Architecture

Letters

• Digital Rights Management Technology Using Profile Information and Use Authorization

Global Standardization Activities

• Web Service Interoperability (WS-I) Standardization Activities

R&D Information

• NTT Participates in Interoperability Test among Top-level Carriers in Japan, North America, Europe, and Korea