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Procedia Engineering

Orthogonal Photon States Manipulation using Dark-Bright Soliton Conversion Control

Sawatsakorn Chaiyasoonthorn, Somsak Mitatha, Preecha P. Yupapin

Published Jan 1, 2011• 0 citations
Publisher

Abstract

In this paper, we have derived and presented a new concept of multi orthogonal photon states generated by using dark-bright soliton collision within the modified add/drop filter, which it is known as PANDA ring resonator. By using the dark-bright soliton conversion control, the obtained outputs of the dynamic states can be used to randomly form the multi orthogonal photon pairs, which can be available for computer and communication security applications.

DOI
10.1016/j.proeng.2011.03.042

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In this paper, we have derived and presented a new concept of multi orthogonal photon states generated by using dark-bright soliton collision within the modified add/drop filter, which it is known as PANDA ring resonator. By using the dark-bright soliton conversion control, the obtained outputs of the dynamic states can be used to randomly form the multi orthogonal photon pairs, which can be available for computer and communication security applications.
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A new method of optical cryptography using dark-bright soliton conversion control within a modified add/drop optical filter is proposed. A pair of optical keys is randomly generated and transmitted into the transmission line, where finally the corrected keys between Alice (sender) and Bob (receiver) can be retrieved. In principle, the coincidence (orthogonal) dark-bright soliton pair has shown promising behaviors, especially when they propagate into the π/2 phase shifter, i.e. beamsplitter, the shift in phase of π/2 between dark and bright solitons is occurred and separated. Such behaviors can be used to form the orthogonal light modes (solitons), which are useful for cryptographic application, where in this case the long-distance cryptography can be easily managed. We have derived and presented a new concept of multi-orthogonal solitons generated by using dark-bright soliton pulses within the modified add/drop optical filter, which is known as a PANDA ring resonator. By using the dark-bright soliton conversion control, the obtained output of the dynamic states can be used to randomly form the multi-orthogonal soliton pairs, which can be available for computer and communication security applications, especially for long-distance link.
In this paper, we have derived and presented the dynamic behavior of dark-bright soliton collision within the modified add/drop filter, which it is known as PANDA ring resonator. By using the dark-bright soliton conversion control, the obtained outputs of the dynamic states can be used to form the random binary codes, which can be available for communication security application. Results obtained have shown that the random binary codes can be formed by using the polarized light components, whereas the retrieved (decoded) codes can be obtained by using the dark-bright soliton conversion signals. The obtained switching time of 12.8 ns is noted.
We proposed a concept of cryptography using dark-bright soliton conversion be- haviors within a nonlinear ring resonator, in which the orthogonal soliton is established among the soliton conversion. A new model of add/drop fllters is modifled which is known as a PANDA ring resonator is proposed. The orthogonal solitons can be formed randomly within the system and detected simultaneously at the output ports. The entangled solitons (photons) can be formed in the same way of the entangled photons, but in this case the entangled soliton pair is gained more power that gives the advantage of long distance communication.
We present a new concept of quantum cryptography using dark-bright soliton conversion behaviors within a nonlinear ring resonator, in which the orthogonal soliton is established among the soliton conversion. A new model of add/drop filters is modified which is known as a PANDA Ring resonator is proposed. The entangled soliton(photon) can work in the same way of the entangled photon, but in this case the entangle soliton is gained more power that give the advantage of long distance quantum communication. In application, the high capacity quantum communication is also variable by using the multivariable entangled solitons.