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Class Information
Number: 380/256
Name: Cryptography > Communication system using cryptography > Fiber optic network
Description: Subject matter including plural nodes joined by an optical waveguide for the transmission or reception of light waves.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7400724 |
Device and method for use in quantum crytography |
Jul. 15, 2008 |
| 7391867 |
Graphical display of QKD system statistics |
Jun. 24, 2008 |
| 7369662 |
Maintaining end-to-end synchronization on a telecommunications connection |
May. 6, 2008 |
| 7359513 |
Quantum cryptography protocol |
Apr. 15, 2008 |
| 7359514 |
Narrow-band single-photon source and QKD system using same |
Apr. 15, 2008 |
| 7349537 |
Method for data encryption in an ethernet passive optical network |
Mar. 25, 2008 |
| 7333611 |
Ultra-secure, ultra-efficient cryptographic system |
Feb. 19, 2008 |
| 7333612 |
Methods and apparatus for confidentiality protection for Fibre Channel Common Transport |
Feb. 19, 2008 |
| 7330550 |
Cryptographic system and method that uses excitation spectroscopy |
Feb. 12, 2008 |
| 7330653 |
Quantum dense coding system |
Feb. 12, 2008 |
| 7305091 |
Quantum cipher communication system |
Dec. 4, 2007 |
| 7298848 |
Quantum cryptography transmission method and system |
Nov. 20, 2007 |
| 7283743 |
Systems and methods for active monitoring and management of fiber links |
Oct. 16, 2007 |
| 7274791 |
Quantum cryptographic system and method for achieving unambiguous state discrimination measurement of coherent light states |
Sep. 25, 2007 |
| 7266304 |
System for secure optical transmission of binary code |
Sep. 4, 2007 |
| 7248695 |
Systems and methods for transmitting quantum and classical signals over an optical network |
Jul. 24, 2007 |
| 7245722 |
System and method for distributing key |
Jul. 17, 2007 |
| 7246240 |
Quantum digital signatures |
Jul. 17, 2007 |
| 7242774 |
Quantum cryptography based on phase entangled photons |
Jul. 10, 2007 |
| 7236595 |
Integrated optics encryption device |
Jun. 26, 2007 |
| 7236597 |
Key transport in quantum cryptographic networks |
Jun. 26, 2007 |
| 7227955 |
Single-photon watch dog detector for folded quantum key distribution system |
Jun. 5, 2007 |
| 7211812 |
Entangled photon pair generating apparatus |
May. 1, 2007 |
| 7184553 |
Method and system for encryption of optical signals |
Feb. 27, 2007 |
| 7184555 |
Quantum computation |
Feb. 27, 2007 |
| 7181011 |
Key bank systems and methods for QKD |
Feb. 20, 2007 |
| 7167562 |
Security method using information transmission by optical means, and an optical disk for implementing the method |
Jan. 23, 2007 |
| 7146072 |
All optical phase insensitive code responsive and code separator devices apparatus and method |
Dec. 5, 2006 |
| 7127742 |
Establishing a secure connection with a private corporate network over a public network |
Oct. 24, 2006 |
| 7113598 |
Methods and systems for high-data-rate quantum cryptography |
Sep. 26, 2006 |
| 7106862 |
Digital information hiding techniques for use with data streams carried over a data communication network |
Sep. 12, 2006 |
| 7088824 |
Single-photon-emission apparatus |
Aug. 8, 2006 |
| 7068790 |
Systems and methods for path set-up in a quantum key distribution network |
Jun. 27, 2006 |
| 7035411 |
Encryption method and apparatus encrypting and adding signature information to qubits |
Apr. 25, 2006 |
| 7003118 |
High performance IPSEC hardware accelerator for packet classification |
Feb. 21, 2006 |
| 6986056 |
Method and arrangement for generating binary sequences of random numbers |
Jan. 10, 2006 |
| 6944407 |
Method and apparatus for detecting radiation |
Sep. 13, 2005 |
| 6938013 |
Money-transfer techniques |
Aug. 30, 2005 |
| 6915429 |
System and method for fiber channel remote activation and enhanced security |
Jul. 5, 2005 |
| 6895092 |
Cryptographic key distribution method and apparatus thereof |
May. 17, 2005 |
| 6848053 |
Optical network unit and optical line terminal |
Jan. 25, 2005 |
| 6801626 |
Cryptographic key distribution using light pulses of three macroscopic quantum states |
Oct. 5, 2004 |
| 6778314 |
Phase modulator and phase modulating method |
Aug. 17, 2004 |
| 6778669 |
Quantum encryption device |
Aug. 17, 2004 |
| 6775274 |
Circuit and method for providing secure communication over data communication interconnects |
Aug. 10, 2004 |
| 6707915 |
Data transfer verification based on unique ID codes |
Mar. 16, 2004 |
| 6704420 |
Device for sending or receiving a signal encrypted using deterministic chaos |
Mar. 9, 2004 |
| 6678379 |
Quantum key distribution method and apparatus |
Jan. 13, 2004 |
| 6577732 |
Hierarchical encryption technique for dense wavelength division multiplexed systems using a wavelength bus architecture |
Jun. 10, 2003 |
| 6529601 |
Method and apparatus for polarization-insensitive quantum cryptography |
Mar. 4, 2003 |
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