- This topic has 9 replies, 5 voices, and was last updated 9 years ago by
Ravil.
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June 12, 2015 at 3:31 am #21630
Taiwo Ambali Abiola
ParticipantDear all,
How can I model a single photon source or by how much can we attenuate a Pulse laser/CW laser source to presume one is having a single photon source using optisystem. I am actually simulating a QKD system. If there is any application you think is much more suitable for QKD (Quantum key distribution), kindly help with information. Thanks all -
June 12, 2015 at 3:41 am #21631
Alessandro Festa
ParticipantI am not sure that Optiwave signal rapresentation allows for “single photon” transmitters. Someone from Optiwave support can surely help you about this topic.
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June 13, 2015 at 2:49 am #21647
Taiwo Ambali Abiola
ParticipantThanks alot Alessandro Festa. I hope features like this would be included in the later version.
I also observe I could not get adjustable ratio power splitter or combiner. The available one is 50/50 by default.
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June 15, 2015 at 9:59 am #21713
Damian Marek
ParticipantTaiwo,
OptiSystem signals are represented by intensities and not number of particles. In a sense, it is like a classical approach which would not work if the number of photons or power were to become very small. That is to say quantum key distribution networks are out of the scope of the OptiSystem simulation tool.
Regards
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June 15, 2015 at 11:31 am #21716
Alessandro Festa
ParticipantYou are welcome. You can use an X coupler if you need to do something different from 50/50.
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June 13, 2015 at 7:09 am #21652
Ajay Vyas
ParticipantMay be possible this feature for upcoming version.
Can we use filter to get a single photon source on design in MATLAB to generate a single source from the laser Data.
May be I am wrong. -
June 15, 2015 at 10:40 am #21715
Taiwo Ambali Abiola
ParticipantThank you so much Marek for enlightening me more on this
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June 15, 2015 at 11:40 pm #21736
Ravil
ParticipantHi Taiwo,
according to your question about the opportunity of single photon source implementation, I agree with Ajay: Matlab will be the most viable option. If I am not mistaken, it was implemented using Quantum Optics Toolbox in
Tan, S. “A computational toolbox for quantum and atomic optics”. Journal of Optics B: Quantum and Semiclassical Optics 1, 424 (1999) -
June 15, 2015 at 11:46 pm #21737
Taiwo Ambali Abiola
ParticipantThanks both Ravil and Ajay. I will check for the said publication
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June 17, 2015 at 8:54 am #21771
Ravil
ParticipantYou are welcome, Taiwo! I hope that my recommendation will give you some guidance. Good luck with your future work and research!
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