Výsledky vyhledávání - "Dexter, Karl J."

Noise Suppression in OCDMA Networks using Nonlinear Optical Devices

Autor: Dexter, Karl J.

Optical code division multiple access (OCDMA) is a multiplexing technique that has a number of inherent advantages that make it suitable for use in passive optical networks, such as allowing subscribers to transmit information in an asynchronous fash

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od_______119::5a4d030440a2e1e27928d30bdb4d364e
http://doras.dcu.ie/15691/1/Noise_Suppression_in_OCDMA_Systems_using_Nonlinear_Optical_Devices_Colour.pdf

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Reduction of MAI and beat noise in OCDMA systems using an SA-SOA-TPA-based receiver

Autor: Dexter, Karl J., Reid, Douglas A., Barry, Liam P.

In this letter, we investigate the removal of multiple access interference and optical beat noise from a two-channel optical system that simulates the output from a time-spread optical code-division multiple access system operating at a data rate of

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od_______119::f48a6c0cfafcb2e092f73c83ea13dc93
http://doras.dcu.ie/15553/1/barry13.pdf

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Nonlinear optical thresholding in a 4-Channel OCDMA system via two-photon absorption

Autor: Dexter, Karl J., Reid, Douglas A., Barry, Liam P., Petropoulos, P., Richardson, D.J.

We demonstrate the use of a Two-Photon Absorption based detector in an OCDMA system. This detector provides a significant performance improvement over standard linear detection.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od_______119::31ae612d3fc8190cc4aaaec92d379ccb
http://doras.dcu.ie/15564/1/barry12.pdf

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All-optical pulse processing for advanced photonic communication system

Autor: Barry, Liam P., Bondarczuk, Krzysztof, Dexter, Karl J., Maguire, Paul J., Reid, Douglas A., O'Dowd, John, Guo, Wei Hua, Lynch, Michael, Bradley, Ann Louise, Donegan, John Francis

Publikováno v: Barry, Liam P. ORCID: 0000-0001-8366-4790 , Bondarczuk, Krzysztof, Dexter, Karl J., Maguire, Paul J., Reid, Douglas A., O'Dowd, John, Guo, Wei Hua, Lynch, Michael, Bradley, Ann Louise ORCID: 0000-0002-9399-8628 and Donegan, John Francis ORCID: 0000-0002-5240-1434 (2008) All-optical pulse processing for advanced photonic communication system. In: ICTON 2008-10th Anniversary International Conference on Transparent Optical Networks, 22-26 June 2008, Athens, Greece.

This paper investigates the use of a two-photon absorption photodetector for high speed processing of ultrashort optical pulses in advanced photonic communication systems. Specifically the paper describes how the two-photon absorption photodetector m

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od_______119::e6ee9420f437113983686235f8367c17
http://doras.dcu.ie/2256/

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Reduction of multiple access interference in OCDMA systems using a semiconductor based TPA device

Autor: Dexter, Karl J., Maguire, Paul J., Barry, Liam P.

The authors present a simulation model and results for a four user OCDMA system operating at an overall data rate of 4 Gb/s (4 x 1 Gb/s). The work presents the novel use of a nonlinear detector based on TPA for simultaneous thresholding and detection

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od_______119::6e6b250559bdcb87bcb1b37f952dde54
http://doras.dcu.ie/2283/1/ieee_icton_2007.pdf

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