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Multi layer QKD protocol using correlated photon of dark soliton array in a wavelength router
(2012-12-01)
Youplao, P.
;
Mitatha, S.
;
Yupapin, P. P.
We propose a new protocol of the multi layers quantum router generated by using the multiplexed dark soliton pulses within a microring resonator system. Initially, the multi dark solitons are input into a microring system, where the dynamic dark solitons are controlled and the required quantum states generated. The multivariable quantum key distribution can be formed by using the correlated photon pair of each dark soliton center wavelengths, where the quantum keys (codes) are generated and recovered via the quantum processor in the wavelength router. In application, the secure information with high capacity can be performed incorporating the quantum keys via the quantum processor in the multivariable quantum router.
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Privacy amplification of QKD protocol in a quantum router
(2012-01-01)
Chaiyasoonthorn, S.
;
Youplao, P.
;
Mitatha, S.
;
Yupapin, P. P.
We propose a new system of quantum cryptography for QKD protocol with privacy amplification for internet security using Gaussian pulse propagating within a nonlinear ring resonator system, quantum processor and a wavelength router. To increase the channel capacity and security, the multiplexer is operated incorporating a quantum processing unit via an optical multiplexer. The transmission part can be used to generate the high capacity quantum codes within the series of micro ring resonators and an add/drop filter. The receiver part can be communicated by using the quantum key (quantum bit, qubit) via a wavelength router and quantum processors. The reference states can be recognized by using the cloning unit, which is operated by the add/drop filter, where the communication between Alice and Bob can be performed. Results obtained have shown that the correlated photons can be generated and formed the entangled photon pair, which is allowed to form the secret key between Alice and Bob. In application, the embedded system within the computer processing unit is available for quantum computer. © 2010 Published by Elsevier Ltd.
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Determination of FWHM for soliton trapping
(2011-12-01)
Afroozeh, A.
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Amiri, I. S.
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Ali, J.
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Yupapin, P. P.
In this study an interesting system in which a bright and dark soliton pulse can be stopped inside a nonlinear waveguide is presented. Here, we propose a system consisting of a series of ring resonators for optical trapping within a nonlinear waveguide. The bright and dark solitons can be controlled and slowed down within the waveguide. The FWHM for the output signals are calculated and used as an optical memory. Bright and dark soliton behaviors within a micro and nano ring resonator are also investigated and described. The required pulse is filtered and amplified, can be controlled and localized within the system. The localized bright and dark solitons are stopped by controlling the input power, which means that the photon stopping can be controlled by light in a ring resonator. © Penerbit UTM Press, Universiti Teknologi Malaysia.
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Optical dark and bright soliton generation and amplification
(2011-11-11)
Afroozeh, A.
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Amiri, I. S.
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Kouhnavard, M.
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Jalil, M. A.
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Ali, J.
We propose two designed systems consist of series of micro ring resonator (MRR) and an add/drop multiplexer in which the optical dark and bright soliton pulse propagating within the nonlinear waveguides can be amplified which can be used in long communication system. The dark or bright soliton is input into designed systems and travels within the waveguide. A continuous soliton pulse is sliced into smaller pulses by the nonlinear effect which is known as chaos. In this way large bandwidth of optical signals can be obtained. The power amplification occurs when the soliton propagates along the MRRs or add/drop systems. The add/drop multiplexer system can itself be used to amplify the optical soliton when the bright soliton is input at the drop part of the system. In this work we have studied the generation of amplified pulse of optical dark and bright soliton when they propagating inside single systems or when they interact and collide during propagation inside an add/drop device. It means that amplified soliton pulse also can be obtained when two types of soliton i.e., dark and bright soliton collide with each other in a same system. In such a way the amplified dark soliton or bright soliton can be used to perform the long distance link. © 2011 American Institute of Physics.
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Bright and dark soliton stopping using nonlinear waveguide
(2011-05-02)
Afroozeh, A.
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Aziz, M. S.
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Jalil, M. A.
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Ali, J.
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Yupapin, P. P.
In this study we propose an interesting system in which a bright and dark soliton pulse can be stopped within a nonlinear nanowaveguide. The system consists of micro and nano ring resonators, in which soliton pulse is input into the system and stopped pulse can be achieved within the nonlinear waveguide. A soliton input is chopped by the nonlinear effects into smaller pulses (chaos). The required pulse is filtered and amplified, which can be controlled and localized within the nonlinear waveguide. The localized bright and dark solitons are stopped by controlling the input power, which means that the photons stopping is controlled by light.
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Simulation of soliton amplification in micro ring resonator for optical communication
(2011-01-01)
Afroozeh, A.
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Amiri, I. S.
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Bahadoran, M.
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Ali, J.
;
Yupapin, P. P.
A system consisting of a series of micro ring resonator (MRR) is proposed. Optical dark and bright soliton pulses propagating through the nonlinear waveguides are amplified. This system can be used in long distance communication system. The dark and bright soliton is input into the designed system. The nonlinear effect contributes to segregation of continuous soliton pulse into smaller pulses. In this way large bandwidth of optical signals can be obtained. The power amplification occurs when the soliton propagates along the MRRs systems. In this research the concern is the generation of amplified pulse of optical dark and bright soliton while propagating in the MRR device. Simulated results show the amplification of bright soliton in which the input power increases from 0.6 W to 10.9331 W and 7.684 W at the trapped wavelength of 1520.428 nm and 1519.912 nm respectively. © Penerbit UTM Press, Universiti Teknologi Malaysia.
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Photons trapping within a nano-ring resonator controlled by light
(2010-11-01)
Yupapin, P. P.
;
Ali, J.
We propose the interesting results that a bright and dark soliton pulse can be localized within a nonlinear nano-waveguide. The system consists of nonlinear micro- and nano-ring resonators, whereas the soliton pulse can be input into the system and trapped within the nano-waveguide. A soliton input is chopped by the nonlinear effects known as chaos into smaller pulses. The required pulse is filtered and amplified, which can be controlled and localized within the nano-waveguide. The localized bright and dark solitons are trapped within a nano-waveguide by controlling the nano-waveguide input power, which means that the photons trapping is controlled by light. © 2009 Elsevier GmbH. All rights reserved.
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An investigation of dark soliton behaviors within the nonlinear micro and nano ring resonators
(2010-11-01)
Sangwara, N.
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Teeka, C.
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Pipatsart, S.
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Yupapin, P. P.
We firstly propose the interesting results of a dark soliton pulse propagating within the nonlinear micro and nano waveguides. The system consists of nonlinear micro and nano ring resonators, whereas the dark soliton is input into the system and traveling within the waveguide. A continuous dark soliton pulse is chopped to be the smaller pulses by the nonlinear effects known as chaos. The nonlinear behaviors such as chaos, bistability and bifurcation are analyzed and discussed. The power amplification is the property that can be used to perform the long distance link, where the security is the dominant reason. © 2009 Elsevier GmbH. All rights reserved.
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Trapping a dark soliton pulse within a nano ring resonator
(2010-10-01)
Charoenmee, A.
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Pornsuwancharoen, N.
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Yupapin, P. P.
We propose the interesting results that a dark soliton pulse can be localized within a nonlinear nano-waveguide. The system consists of nonlinear micro and nano ring resonators, whereas the dark soliton can be input into the system and trapped within the nano-waveguide. A dark soliton pulse is input into a ring resonator and chopped to be the smaller pulses. The required pulse is filtered and amplified, which can be controlled and localized within the nano-waveguide. The localized bright soliton is also reviewed and discussed. © 2009 Elsevier GmbH. All rights reserved.
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Dark-bright optical solitons conversion via an optical add/drop filter for signals and networks security applications
(2010-10-01)
Knobnob, B.
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Mitatha, S.
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Dejhan, K.
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Chaiyasoonthorn, S.
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Yupapin, P. P.
We propose a new system of the darkbright solitons conversion using a micro- and nano-ring resonators incorporating an optical add/drop filter, where the add/drop filter can be used to convert the dark soliton to bright soliton. The key advantage of the system is that the detection of the dark soliton pulse is normally difficult due to low level of input power. Firstly, a dark soliton pulse is input into a micro-ring resonator, then propagating into smaller micro- and nano-ring resonators. Secondly, the add/drop filter is applied (connected) into the ring system, where the bright and the dark solitons are obtained via the drop and through (or throughput) the ports of the add/drop filter, respectively. The results obtained have shown that the detected soliton power can be controlled by the input soliton power and the ring resonator coupling coefficient, which is enough to use in the transmission link. The optical and the quantum networks using dark soliton are also discussed. © 2009 Elsevier GmbH. All rights reserved.

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