Method and apparatus for quantum-mechanically generating a random number

A method (100) and apparatus (200) for quantum-mechanically generating a random number based on polarization states of spontaneous parametric down- converted photons. The method (100) and apparatus (200) comprises a photon source (202) to generate a beam of photons (102), a first type-l nonlinear cr...

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Main Authors:	, Suryadi, Mohd Zain, Norzaliman, Wahiddin, Mohamed Ridza
Format:	Patent
Language:	English
Published:	2010
Subjects:	QC Physics
Online Access:	http://irep.iium.edu.my/12215/ http://irep.iium.edu.my/12215/ http://irep.iium.edu.my/12215/1/WO2010033013A3.pdf

id	iium-12215
recordtype	eprints
spelling	iium-122152013-05-21T08:14:21Z http://irep.iium.edu.my/12215/ Method and apparatus for quantum-mechanically generating a random number , Suryadi Mohd Zain, Norzaliman Wahiddin, Mohamed Ridza QC Physics A method (100) and apparatus (200) for quantum-mechanically generating a random number based on polarization states of spontaneous parametric down- converted photons. The method (100) and apparatus (200) comprises a photon source (202) to generate a beam of photons (102), a first type-l nonlinear crystal (206) and a type-l second nonlinear crystal (207) to down-convert the beam of photons through spontaneous parametric down conversions to generate a pair of unidirectional beam of photons with random polarization states (104), characterized in that the first type-l nonlinear crystal (206) is adjacent to the second type-l nonlinear crystal (207) and optical axis of the first type-l nonlinear crystal (206) is orthogonal to optical axis of the second type-l nonlinear crystal (208), a polarized beam splitter (210) to split the pair of unidirectional beam of photons based on polarization states of the pair of unidirectional beam of photons into a beam of horizontally polarized photons and a beam of vertically polarized photons (106), a first detector (212) and a second detector (214) to detect the presence of the beam of horizontally polarized photons and the beam of vertically polarized photons respectively (108), and an electronic logic (216) to assign a first value to every photon in the beam of horizontally polarized photons and assign a second value to every photon in the beam of vertically polarized photons to generate a random number (110). 2010-03-25 Patent NonPeerReviewed application/pdf en http://irep.iium.edu.my/12215/1/WO2010033013A3.pdf , Suryadi and Mohd Zain, Norzaliman and Wahiddin, Mohamed Ridza (2010) Method and apparatus for quantum-mechanically generating a random number. WO2010033013A3. WO2010033013A3
repository_type	Digital Repository
institution_category	Local University
institution	International Islamic University Malaysia
building	IIUM Repository
collection	Online Access
language	English
topic	QC Physics
spellingShingle	QC Physics , Suryadi Mohd Zain, Norzaliman Wahiddin, Mohamed Ridza Method and apparatus for quantum-mechanically generating a random number
description	A method (100) and apparatus (200) for quantum-mechanically generating a random number based on polarization states of spontaneous parametric down- converted photons. The method (100) and apparatus (200) comprises a photon source (202) to generate a beam of photons (102), a first type-l nonlinear crystal (206) and a type-l second nonlinear crystal (207) to down-convert the beam of photons through spontaneous parametric down conversions to generate a pair of unidirectional beam of photons with random polarization states (104), characterized in that the first type-l nonlinear crystal (206) is adjacent to the second type-l nonlinear crystal (207) and optical axis of the first type-l nonlinear crystal (206) is orthogonal to optical axis of the second type-l nonlinear crystal (208), a polarized beam splitter (210) to split the pair of unidirectional beam of photons based on polarization states of the pair of unidirectional beam of photons into a beam of horizontally polarized photons and a beam of vertically polarized photons (106), a first detector (212) and a second detector (214) to detect the presence of the beam of horizontally polarized photons and the beam of vertically polarized photons respectively (108), and an electronic logic (216) to assign a first value to every photon in the beam of horizontally polarized photons and assign a second value to every photon in the beam of vertically polarized photons to generate a random number (110).
format	Patent
author	, Suryadi Mohd Zain, Norzaliman Wahiddin, Mohamed Ridza
author_facet	, Suryadi Mohd Zain, Norzaliman Wahiddin, Mohamed Ridza
author_sort	, Suryadi
title	Method and apparatus for quantum-mechanically generating a random number
title_short	Method and apparatus for quantum-mechanically generating a random number
title_full	Method and apparatus for quantum-mechanically generating a random number
title_fullStr	Method and apparatus for quantum-mechanically generating a random number
title_full_unstemmed	Method and apparatus for quantum-mechanically generating a random number
title_sort	method and apparatus for quantum-mechanically generating a random number
publishDate	2010
url	http://irep.iium.edu.my/12215/ http://irep.iium.edu.my/12215/ http://irep.iium.edu.my/12215/1/WO2010033013A3.pdf
first_indexed	2023-09-18T20:21:27Z
last_indexed	2023-09-18T20:21:27Z
_version_	1777408133980749824

Method and apparatus for quantum-mechanically generating a random number

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