Quantum Cryptography Using Polarization Feedback |
| |
| Authors: | J.D. Franson H. Ilves |
| |
| Affiliation: | Applied Physics Laboratory , The Johns Hopkins University , Laurel, MD, 20723, USA |
| |
| Abstract: | Abstract A system for quantum cryptography using polarization-preserving optical fibre and a feedback loop to compensate for time-dependent changes in the state of polarization has been implemented. Error rates of less than 0·5% have been demonstrated and much lower error rates can be expected in the future. An improved system that does not require the use of polarization-preserving fibre, and with expected data transmission rates of 100 kHz, is under construction. |
| |
| Keywords: | |
|
|
