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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 15, Iss. 24 — Nov. 26, 2007
  • pp: 15812–15817

Optical coding scheme using optical interconnection for high sampling rate and high resolution photonic analog-to-digital conversion

Takashi Nishitani, Tsuyoshi Konishi, and Kazuyoshi Itoh  »View Author Affiliations


Optics Express, Vol. 15, Issue 24, pp. 15812-15817 (2007)
http://dx.doi.org/10.1364/OE.15.015812


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Abstract

We propose and demonstrate an optical coding scheme using optical interconnection for a photonic analog-to-digital conversion. It allows us to convert a multi-power level signal into a multiple-bit binary code so as to detect it in a bit-parallel format by binary photodiode array. The proposed optical coding is executed after optical quantization using self-frequency shift. Optical interconnection based on a binary conversion table generates a multiple-bit binary code by appropriate allocation of a level identification signal which is provided as a result of optical quantization. Experimental results show that 8-levels analog pulses are converted into 3-bit parallel binary codes.

© 2007 Optical Society of America

OCIS Codes
(070.4340) Fourier optics and signal processing : Nonlinear optical signal processing
(190.4370) Nonlinear optics : Nonlinear optics, fibers
(320.7140) Ultrafast optics : Ultrafast processes in fibers

ToC Category:
Nonlinear Optics

History
Original Manuscript: August 30, 2007
Revised Manuscript: November 9, 2007
Manuscript Accepted: November 12, 2007
Published: November 14, 2007

Citation
Takashi Nishitani, Tsuyoshi Konishi, and Kazuyoshi Itoh, "Optical coding scheme using optical interconnection for high sampling rate and high resolution photonic analog-to-digital conversion," Opt. Express 15, 15812-15817 (2007)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-15-24-15812


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