Experimental demonstration of coherent OCDMA using heterodyne detection

Yi Yang, Keith G. Petrillo, Hong Fu Ting, Jacob B. Khurgin, A. Brinton Cooper, Mark A. Foster

Research output: Contribution to journalArticle

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Abstract

We present the first experimental demonstration of a practical, fully coherent, optical code division multiple access (OCDMA) scheme that can fully suppress multiple access interference (MAI) and speckle noise without phase locking or thresholding and gating. The scheme is sourced from an optical comb generator and uses spectral phase encoding and a heterodyne receiver with balanced detection. Here we present results for a four-user configuration at 50% load. At 4.5 Gbits/s per user, the system achieves a signal to MAI ratio of 648 at a bit error rate of 10-7.

Original languageEnglish (US)
Pages (from-to)2351-2353
Number of pages3
JournalOptics Letters
Volume38
Issue number13
DOIs
StatePublished - Jul 1 2013

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics

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    Yang, Y., Petrillo, K. G., Ting, H. F., Khurgin, J. B., Cooper, A. B., & Foster, M. A. (2013). Experimental demonstration of coherent OCDMA using heterodyne detection. Optics Letters, 38(13), 2351-2353. https://doi.org/10.1364/OL.38.002351