Optical RAM row access with WDM-enabled all-passive row/column decoders

Theonitsa Alexoudi; Sotirios Papaioannou; George T. Kanellos; Amalia Miliou; Nikos Pleros

doi:10.1109/LPT.2014.2302854

Optical RAM row access with WDM-enabled all-passive row/column decoders

Theonitsa Alexoudi, Sotirios Papaioannou, George T. Kanellos, Amalia Miliou, Nikos Pleros

Research output: Contribution to journal › Article (Academic Journal) › peer-review

5 Citations (Scopus)

Abstract

In this letter, we present new architectural perspectives in optical static RAM configurations by exploiting the wavelength dimension in address domain. We present a 24 optical RAM row decoder (RD) that relies its operation on an all-passive wavelength-selective filtering matrix (λ-matrix), receiving WDM-formatted address bits (Wordline) as input. The 2 RD is followed by an semiconductor optical amplifier Mach-Zehnder interferometer access gate and a column decoding unit to provide complete optical RAM row access. Proof-of-concept experimental verification of a 24 optical RAM RD is shown at 10 Gb/s, providing error-free operation with a peak power penalty lower than 0.2 dB.

Original language	English
Article number	6728729
Pages (from-to)	671-674
Number of pages	4
Journal	IEEE Photonics Technology Letters
Volume	26
Issue number	7
DOIs	https://doi.org/10.1109/LPT.2014.2302854
Publication status	Published - 1 Apr 2014

Keywords

Mach-Zehnder interferometer (MZI)
optical memory
optical RAM
Optical row decoder
optical signal processing
semiconductor optical amplifier (SOA)

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title = "Optical RAM row access with WDM-enabled all-passive row/column decoders",

abstract = "In this letter, we present new architectural perspectives in optical static RAM configurations by exploiting the wavelength dimension in address domain. We present a 24 optical RAM row decoder (RD) that relies its operation on an all-passive wavelength-selective filtering matrix (λ-matrix), receiving WDM-formatted address bits (Wordline) as input. The 2 RD is followed by an semiconductor optical amplifier Mach-Zehnder interferometer access gate and a column decoding unit to provide complete optical RAM row access. Proof-of-concept experimental verification of a 24 optical RAM RD is shown at 10 Gb/s, providing error-free operation with a peak power penalty lower than 0.2 dB.",

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AU - Alexoudi, Theonitsa

AU - Papaioannou, Sotirios

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AU - Miliou, Amalia

AU - Pleros, Nikos

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KW - Mach-Zehnder interferometer (MZI)

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Optical RAM row access with WDM-enabled all-passive row/column decoders

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