Reconfigurable optical quadrature amplitude modulation converter/encoder using a tunable complex coefficient optical tapped delay line

We experimentally demonstrate a reconfigurable optical converter/encoder for quadrature amplitude modulated (QAM) signals. The system utilizes nonlinear wavelength multicasting, conversion-dispersion delays, and simultaneous nonlinear multiplexing and sampling. We show baud rate tunability (31 and 2...

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Bibliographic Details
Published in:Optics letters 2013-05, Vol.38 (10), p.1600-1602
Main Authors: Khaleghi, Salman, Chitgarha, Mohammad Reza, Yilmaz, Omer F, Tur, Moshe, Haney, Michael W, Langrock, Carsten, Fejer, Martin M, Willner, Alan E
Format: Article
Language:English
Subjects:
Coders
Conversion
Converters
Delay
Encoders
Multiplexing
Nonlinearity
Sampling
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Summary:We experimentally demonstrate a reconfigurable optical converter/encoder for quadrature amplitude modulated (QAM) signals. The system utilizes nonlinear wavelength multicasting, conversion-dispersion delays, and simultaneous nonlinear multiplexing and sampling. We show baud rate tunability (31 and 20 Gbaud) and reconfigurable conversions from lower-order QAM signals to higher-order QAM signals (e.g., 64-QAM).
ISSN:0146-9592
1539-4794
DOI:10.1364/OL.38.001600