MY149261A - A six quantum state producing encoder system and a method of producing thereof - Google Patents

A six quantum state producing encoder system and a method of producing thereof

Info

Publication number
MY149261A
MY149261A MYPI2010003716A MY149261A MY 149261 A MY149261 A MY 149261A MY PI2010003716 A MYPI2010003716 A MY PI2010003716A MY 149261 A MY149261 A MY 149261A
Authority
MY
Malaysia
Prior art keywords
producing
laser diodes
switches
states
encoder system
Prior art date
Application number
Inventor
Muhammad Syargawi Bin Abdullah
Gunawan Dr Witjaksono
Mohd Hadri Hafiz Mokhtar
Original Assignee
Mimos Berhad
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mimos Berhad filed Critical Mimos Berhad
Priority to MYPI2010003716 priority Critical patent/MY149261A/en
Priority to PCT/MY2010/000293 priority patent/WO2012018246A1/en
Publication of MY149261A publication Critical patent/MY149261A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/70—Photonic quantum communication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
    • H04L9/0852—Quantum cryptography
    • H04L9/0855—Quantum cryptography involving additional nodes, e.g. quantum relays, repeaters, intermediate nodes or remote nodes

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Optics & Photonics (AREA)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
  • Semiconductor Lasers (AREA)

Abstract

A SIX QUANTUM STATE PRODUCING ENCODER SYSTEM (100) FOR DETERMINISTIC SIX STATES PROTOCOL OF QUANTUM KEY DISTRIBUTION IS PROVIDED, THE SYSTEM (100) INCLUDES AT LEAST THREE LASER DIODES (610, 620, 630), AT LEAST THREE CURRENT DRIVERS (510, 520, 530) WHEREIN EACH OF THE AT LEAST THREE LASER DIODES (610, 620, 630) ARE AT DIFFERENT POLARIZATION STATES AND EACH LASER DIODE IS DRIVABLE BY EACH CURRENT DRIVER, AT LEAST THREE SWITCHES (410, 420, 430) CONNECTABLE TO THE AT LEAST THREE CURRENT DRIVERS (510, 520, 530), AT LEAST ONE PULSE WIDTH MODULATOR (PWM) GENERATOR (220) CONNECTABLE TO THE AT LEAST THREE SWITCHES (410, 420, 430) AND A CONTROLLER WHEREIN THE AT LEAST THREE SWITCHES (410, 420, 430) ARE TRIGGERABLE BY THE CONTROLLER, WHEREIN THE SYSTEM (100) IS CONFIGURABLE TO SELECT A PAIR OF DIFFERENT LASER DIODES WITH NEW POLARIZATION STATES FOR EVERY TWO CONSECUTIVE PERIOD, WHEREIN TWO DIFFERENT LASER DIODES ARE INTERCHANGEABLY TRIGGERED FOR EVERY TWO CONSECUTIVE PERIODS FOR AUTOMATIC PRODUCTION OF SIX QUANTUM STATES.
MYPI2010003716 2010-08-05 2010-08-05 A six quantum state producing encoder system and a method of producing thereof MY149261A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
MYPI2010003716 MY149261A (en) 2010-08-05 2010-08-05 A six quantum state producing encoder system and a method of producing thereof
PCT/MY2010/000293 WO2012018246A1 (en) 2010-08-05 2010-11-25 A six quantum state producing encoder system and a method of producing thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
MYPI2010003716 MY149261A (en) 2010-08-05 2010-08-05 A six quantum state producing encoder system and a method of producing thereof

Publications (1)

Publication Number Publication Date
MY149261A true MY149261A (en) 2013-08-15

Family

ID=45559657

Family Applications (1)

Application Number Title Priority Date Filing Date
MYPI2010003716 MY149261A (en) 2010-08-05 2010-08-05 A six quantum state producing encoder system and a method of producing thereof

Country Status (2)

Country Link
MY (1) MY149261A (en)
WO (1) WO2012018246A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9641326B2 (en) 2012-05-31 2017-05-02 Nokia Technologies Oy Secured wireless communications
WO2015084145A1 (en) * 2013-12-04 2015-06-11 Mimos Berhad An apparatus and method for automated flipping of six polarization states of an optical pulse

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6289104B1 (en) * 1998-08-07 2001-09-11 Ilinois Institute Of Technology Free-space quantum cryptography system
US6748083B2 (en) * 2000-04-28 2004-06-08 The Regents Of The University Of California Method and apparatus for free-space quantum key distribution in daylight
US20060023885A1 (en) * 2004-07-28 2006-02-02 Alexei Trifonov Two-way QKD system with backscattering suppression
EP1995907A4 (en) * 2006-03-16 2017-06-21 NEC Corporation Quantum encryption transmission system and optical circuit
JP4893961B2 (en) * 2007-09-04 2012-03-07 日本電気株式会社 Optical transmitter and control method of composite modulator

Also Published As

Publication number Publication date
WO2012018246A1 (en) 2012-02-09

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