All-Optical Wavelength Conversion Using SOA at Nearly Symmetric Position in a Fiber-Based Sagnac Interferometric Loop

Lei Xu; Ivan Glesk; Varghese Baby; Paul R. Prucnal

doi:10.1109/LPT.2003.821051

All-Optical Wavelength Conversion Using SOA at Nearly Symmetric Position in a Fiber-Based Sagnac Interferometric Loop

Lei Xu, Ivan Glesk, Varghese Baby, Paul R. Prucnal

Research output: Contribution to journal › Article › peer-review

21 Scopus citations

Abstract

We report an experimental analysis of the wavelength conversion operation of a fiber-based Sagnac interferometric loop with a semiconductor optical amplifier (SOA) at nearly symmetric position. Improved extinction ratio is obtained due to the complementary operation of cross-polarization modulation and cross-gain modulation effects. Power penalty of 2.4 dB was obtained when the SOA offset is 17% of the bit period, which enables the use of the Sagnac interferometer with asymmetrically placed SOA - the terahertz optical asymmetric demultiplexer (TOAD) - as a multiple-functionality all-optical signal processing network element.

Original language	English (US)
Pages (from-to)	539-541
Number of pages	3
Journal	IEEE Photonics Technology Letters
Volume	16
Issue number	2
DOIs	https://doi.org/10.1109/LPT.2003.821051
State	Published - Feb 2004

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Atomic and Molecular Physics, and Optics
Electrical and Electronic Engineering

Keywords

Optical communication
Optical frequency conversion
Optical polarization
Semiconductor optical amplifiers (SOAs)
Wavelength-division multiplexing

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10.1109/LPT.2003.821051

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title = "All-Optical Wavelength Conversion Using SOA at Nearly Symmetric Position in a Fiber-Based Sagnac Interferometric Loop",

abstract = "We report an experimental analysis of the wavelength conversion operation of a fiber-based Sagnac interferometric loop with a semiconductor optical amplifier (SOA) at nearly symmetric position. Improved extinction ratio is obtained due to the complementary operation of cross-polarization modulation and cross-gain modulation effects. Power penalty of 2.4 dB was obtained when the SOA offset is 17% of the bit period, which enables the use of the Sagnac interferometer with asymmetrically placed SOA - the terahertz optical asymmetric demultiplexer (TOAD) - as a multiple-functionality all-optical signal processing network element.",

keywords = "Optical communication, Optical frequency conversion, Optical polarization, Semiconductor optical amplifiers (SOAs), Wavelength-division multiplexing",

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T1 - All-Optical Wavelength Conversion Using SOA at Nearly Symmetric Position in a Fiber-Based Sagnac Interferometric Loop

AU - Xu, Lei

AU - Glesk, Ivan

AU - Baby, Varghese

AU - Prucnal, Paul R.

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N2 - We report an experimental analysis of the wavelength conversion operation of a fiber-based Sagnac interferometric loop with a semiconductor optical amplifier (SOA) at nearly symmetric position. Improved extinction ratio is obtained due to the complementary operation of cross-polarization modulation and cross-gain modulation effects. Power penalty of 2.4 dB was obtained when the SOA offset is 17% of the bit period, which enables the use of the Sagnac interferometer with asymmetrically placed SOA - the terahertz optical asymmetric demultiplexer (TOAD) - as a multiple-functionality all-optical signal processing network element.

AB - We report an experimental analysis of the wavelength conversion operation of a fiber-based Sagnac interferometric loop with a semiconductor optical amplifier (SOA) at nearly symmetric position. Improved extinction ratio is obtained due to the complementary operation of cross-polarization modulation and cross-gain modulation effects. Power penalty of 2.4 dB was obtained when the SOA offset is 17% of the bit period, which enables the use of the Sagnac interferometer with asymmetrically placed SOA - the terahertz optical asymmetric demultiplexer (TOAD) - as a multiple-functionality all-optical signal processing network element.

KW - Optical communication

KW - Optical frequency conversion

KW - Optical polarization

KW - Semiconductor optical amplifiers (SOAs)

KW - Wavelength-division multiplexing

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All-Optical Wavelength Conversion Using SOA at Nearly Symmetric Position in a Fiber-Based Sagnac Interferometric Loop

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