Cryptography in coherent optical information networks using dissipative metamaterial gates
All-optical encryption of information in fibre telecommunication networks offers lower complexity and far higher data rates than electronic encryption can deliver. However, existing optical layer encryption methods, which are compatible with keys of unlimited length, are based on nonlinear processes...
| Main Authors: | , , , , , , , |
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| Other Authors: | |
| Format: | Journal Article |
| Language: | English |
| Published: |
2019
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| Subjects: | |
| Online Access: | https://hdl.handle.net/10356/102461 http://hdl.handle.net/10220/49488 |
| _version_ | 1826111569731256320 |
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| author | Xomalis, Angelos Demirtzioglou, Iosif Jung, Yongmin Plum, Eric Lacava, Cosimo Petropoulos, Periklis Richardson, David J. Zheludev, Nikolay I. |
| author2 | School of Physical and Mathematical Sciences |
| author_facet | School of Physical and Mathematical Sciences Xomalis, Angelos Demirtzioglou, Iosif Jung, Yongmin Plum, Eric Lacava, Cosimo Petropoulos, Periklis Richardson, David J. Zheludev, Nikolay I. |
| author_sort | Xomalis, Angelos |
| collection | NTU |
| description | All-optical encryption of information in fibre telecommunication networks offers lower complexity and far higher data rates than electronic encryption can deliver. However, existing optical layer encryption methods, which are compatible with keys of unlimited length, are based on nonlinear processes that require intense optical fields. Here, we introduce an optical layer secure communication protocol that does not rely on nonlinear optical processes but instead uses energy redistribution of coherent optical waves interacting on a plasmonic metamaterial absorber. We implement the protocol in a telecommunication optical fibre information network, where signal and key distribution lines use a common coherent information carrier. We investigate and demonstrate different encryption modes, including a scheme providing perfect secrecy. All-optical cryptography, as demonstrated here, exploits signal processing mechanisms that can satisfy optical telecom data rate requirements in any current or next-generation frequency band with bandwidth exceeding 100 THz and a switching energy of a few photons per bit. This is the first demonstration of an optical telecommunications application of metamaterial technology. |
| first_indexed | 2024-10-01T02:52:54Z |
| format | Journal Article |
| id | ntu-10356/102461 |
| institution | Nanyang Technological University |
| language | English |
| last_indexed | 2024-10-01T02:52:54Z |
| publishDate | 2019 |
| record_format | dspace |
| spelling | ntu-10356/1024612023-02-28T19:25:50Z Cryptography in coherent optical information networks using dissipative metamaterial gates Xomalis, Angelos Demirtzioglou, Iosif Jung, Yongmin Plum, Eric Lacava, Cosimo Petropoulos, Periklis Richardson, David J. Zheludev, Nikolay I. School of Physical and Mathematical Sciences Centre for Disruptive Photonic Technologies (CDPT) Science::Physics Cryptography Dissipative Metamaterial Gates All-optical encryption of information in fibre telecommunication networks offers lower complexity and far higher data rates than electronic encryption can deliver. However, existing optical layer encryption methods, which are compatible with keys of unlimited length, are based on nonlinear processes that require intense optical fields. Here, we introduce an optical layer secure communication protocol that does not rely on nonlinear optical processes but instead uses energy redistribution of coherent optical waves interacting on a plasmonic metamaterial absorber. We implement the protocol in a telecommunication optical fibre information network, where signal and key distribution lines use a common coherent information carrier. We investigate and demonstrate different encryption modes, including a scheme providing perfect secrecy. All-optical cryptography, as demonstrated here, exploits signal processing mechanisms that can satisfy optical telecom data rate requirements in any current or next-generation frequency band with bandwidth exceeding 100 THz and a switching energy of a few photons per bit. This is the first demonstration of an optical telecommunications application of metamaterial technology. MOE (Min. of Education, S’pore) Published version 2019-07-30T07:20:50Z 2019-12-06T20:55:21Z 2019-07-30T07:20:50Z 2019-12-06T20:55:21Z 2019 Journal Article Xomalis, A., Demirtzioglou, I., Jung, Y., Plum, E., Lacava, C., Petropoulos, P., ... Zheludev, N. I. (2019). Cryptography in coherent optical information networks using dissipative metamaterial gates. APL Photonics, 4(4), 046102-. doi:10.1063/1.5092216 https://hdl.handle.net/10356/102461 http://hdl.handle.net/10220/49488 10.1063/1.5092216 en APL Photonics © 2019 Author(s). 8 p. application/pdf |
| spellingShingle | Science::Physics Cryptography Dissipative Metamaterial Gates Xomalis, Angelos Demirtzioglou, Iosif Jung, Yongmin Plum, Eric Lacava, Cosimo Petropoulos, Periklis Richardson, David J. Zheludev, Nikolay I. Cryptography in coherent optical information networks using dissipative metamaterial gates |
| title | Cryptography in coherent optical information networks using dissipative metamaterial gates |
| title_full | Cryptography in coherent optical information networks using dissipative metamaterial gates |
| title_fullStr | Cryptography in coherent optical information networks using dissipative metamaterial gates |
| title_full_unstemmed | Cryptography in coherent optical information networks using dissipative metamaterial gates |
| title_short | Cryptography in coherent optical information networks using dissipative metamaterial gates |
| title_sort | cryptography in coherent optical information networks using dissipative metamaterial gates |
| topic | Science::Physics Cryptography Dissipative Metamaterial Gates |
| url | https://hdl.handle.net/10356/102461 http://hdl.handle.net/10220/49488 |
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