TECHNICAL ANALYSIS OF ASPHALTUM. No. 2.

NTT Technical Review, December 2004, Vol. 2, No. 12

Quantum cryptography promises to provide communications with unconditional security on the basis of the physical principles of quantum mechanics. We have proposed a quantum key distribution protocol called a differential-phase-shift quantum key distribution (DPS-QKD). This scheme has several advantages including suitability for fiber transmission and highly efficient key generation. In this pap...

Cover vol.2, no.2 October 2005

Technical Information Sheet No.7

The advantages of freeze-drying are obvious. It is a convenient method for the preservation and long-term storage of a wide variety of microorganisms. However, special precautions are needed for the preservation of microorganisms sensitive to desication, light, oxygen, osmotic pressure, surface tension and other factors. During several years of experimentation I have developed various new metho...

TNG Technical Report no.62

Vol. 8, No. 2 , 2019