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Reconfigurable all-optical code translation in spectrally phase-coded O-CDMA
Jiang, Z.,Seo, D.S.,Leaird, D.E.,Roussev, R.V.,Langrock, C.,Fejer, M.M.,Weiner, A.M. IEEE 2005 Journal of Lightwave Technology Vol.23 No.6
Reconfigurable all-optical code translation are demonstrated in a spectrally phase-coded optical-code-division multiple-access (O-CDMA) testbed with an interference user. For both one-stage and two-stage code translations, less than 0.9-dB power penalties are induced at each code translation. Multistage code translations are investigated via simulation and experimental emulation in a loop pulse shaper to show the potential application of the proposed method for up to several tens of code translations.
Four-user 10-Gb/s spectrally phase-coded O-CDMA system operating at /spl sim/30 fJ/bit
Zhi Jiang,Dongsun Seo,Shangda Yang,Leaird, D.E.,Roussev, R.V.,Langrock, C.,Fejer, M.M.,Weiner, A.M. IEEE 2005 Photonics Technology Letters Vol.17 No.3
<P>We demonstrate a four-user 10-Gb/s spectrally phase-coded optical code-division multiple-access system via nonlinear processing with ultralow power (/spl sim/30 fJ/bit). Full interference suppression is achieved in a time-slotted scheme without the need for chip-level coordination and synchronous detection. Performance degradation caused by pulse overlap between users is investigated.</P>