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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:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
8712039 Efficient implementation of hash algorithm on a processor Apr. 29, 2014
8705741 Subchannel security at the optical layer Apr. 22, 2014
8693688 Adaptive packet ciphering Apr. 8, 2014
8681982 Method of establishing a quantum key for use between network nodes Mar. 25, 2014
8683192 Methods and apparatus for use in quantum key distribution Mar. 25, 2014
8675870 Encryption apparatus Mar. 18, 2014
8670672 Quantum information system Mar. 11, 2014
8670124 Apparatus and method for converting sensor input signals into digital output signals Mar. 11, 2014
8666074 Optical fiber secure communication apparatus and data encryption method therefor Mar. 4, 2014
8649521 Obfuscation of sequenced encoded data slices Feb. 11, 2014
8650401 Network having quantum key distribution Feb. 11, 2014
8644513 Database processing on externally encrypted data Feb. 4, 2014
8611535 Characterization of an entangled photon system Dec. 17, 2013
8611534 Electro-optic waveguide polarisation modulator Dec. 17, 2013
8600057 Protecting optical transports from consecutive identical digits in optical computer networks Dec. 3, 2013
8582769 Secure communication over passive optical network (PON) with quantum encryption Nov. 12, 2013
8582770 Cryptographic communication system Nov. 12, 2013
8553884 Quantum communication system Oct. 8, 2013
8509440 PANA for roaming Wi-Fi access in fixed network architectures Aug. 13, 2013
8509436 Remote circuit locking switch system Aug. 13, 2013
8503677 Communication system and device Aug. 6, 2013
8503885 Quantum based information transmission system and method Aug. 6, 2013
8488231 Generator of polarization entangled photon pairs and method of generating the same Jul. 16, 2013
8488967 System and method for OCDMA-based photonic layer security robustness to archival attack Jul. 16, 2013
8489874 Encryption STE communications through private branch exchange (PBX) Jul. 16, 2013
8483572 Quantum communication system and method Jul. 9, 2013
8483391 Optical communication system and method for secure data communication using quantum key distribution Jul. 9, 2013
8477939 Polarization-insensitive one-way quantum key distribution receiver, transmitter/receiver system Jul. 2, 2013
8477947 Optical phase modulation method and apparatus for quantum key distribution Jul. 2, 2013
8472626 System and method for the secure transmission of binary code by phase-and intensity-coding Jun. 25, 2013
8457316 Architecture for reconfigurable quantum key distribution networks based on entangled photons by wavelength division multiplexing Jun. 4, 2013
8442228 Multi-class switching system and associated method of use May. 14, 2013
8442229 Method and apparatus for providing security in a passive optical network May. 14, 2013
8433200 Method and system for quantum key delivery utilizing a conversion efficiency of DFG Apr. 30, 2013
8428259 Apparatus and method for all-optical encryption and decryption of an optical signal Apr. 23, 2013
8404506 Single-photon source and method for the production and operation thereof Mar. 26, 2013
8397064 Implementing IEEE 802.1AE and 802.1 af security in EPON (1GEPON and 10GEPON) networks Mar. 12, 2013
8391486 Secure key distribution using sequential weak values Mar. 5, 2013
8385548 System and method for entangled photons generation and measurement Feb. 26, 2013
8374350 Quantum communication system Feb. 12, 2013
8374354 System and method to pass a private encryption key Feb. 12, 2013
8370630 Client device, mail system, program, and recording medium Feb. 5, 2013
8355507 Optical switching and delay systems and methods for optical encryption and/or optical decryption Jan. 15, 2013
8347075 Methods to mitigate attacks against fiber-to-the-home network systems Jan. 1, 2013
8340295 High-speed cryptographic system using chaotic sequences Dec. 25, 2012
8335316 Method and apparatus for data privacy in passive optical networks Dec. 18, 2012
8321908 Apparatus and method for applying network policy at a network device Nov. 27, 2012
8315387 System and method for data transmission over arbitrary media using physical encryption Nov. 20, 2012
8311221 Architecture for reconfigurable quantum key distribution networks based on entangled photons directed by a wavelength selective switch Nov. 13, 2012
8311224 Method and system utilizing quantum authentication Nov. 13, 2012

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