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Proceedings Paper

Optical frequency mixers for WDM and TDM applications
Author(s): Krishnan R. Parameswaran; Jonathan R. Kurz; Rostislav Vatchev Roussev; Martin M. Fejer; Ming-Hsien Chou; Igal Brener; Satoki Kawanishi; Kazuo Fujiura; Toshio Morioka
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Paper Abstract

As the demand for optical fiber communications bandwidth grows, the implementation of signal processing functions using all-optical techniques becomes increasingly attractive. In recent years, a number of methods have been used to perform functions such as wavelength conversion for WDM systems, gated mixing for TDM multiplexing and demultiplexing, spectral inversion for dispersion compensation, and all-optical switching. Three-wave mixing in (chi) (2) media is an attractive approach, presenting a combination of low pump power, wide bandwidth, and negligible degradation of signal to noise ratio. In this paper, we describe optical frequency mixers implemented using annealed proton exchanged waveguides in periodically poled lithium niobate. These devices have been used in a variety of system experiments. We present several WDM demonstrations, including wavelength conversion, dispersion compensation by mid-span spectral inversion, and compensation of Kerr nonlinearities. We also discuss TDM demonstrations such as efficient all-optical gating and multiplexing/demultiplexing of high bit-rate data streams.

Paper Details

Date Published: 1 May 2001
PDF: 11 pages
Proc. SPIE 4268, Growth, Fabrication, Devices, and Applications of Laser and Nonlinear Materials, (1 May 2001); doi: 10.1117/12.424637
Show Author Affiliations
Krishnan R. Parameswaran, Stanford Univ. (United States)
Jonathan R. Kurz, Stanford Univ. (United States)
Rostislav Vatchev Roussev, Stanford Univ. (United States)
Martin M. Fejer, Stanford Univ. (United States)
Ming-Hsien Chou, Lucent Technologies and Tellium Inc. (United States)
Igal Brener, Lucent Technologies and Tellium Inc. (United States)
Satoki Kawanishi, NTT Network Innovation Labs. (Japan)
Kazuo Fujiura, NTT Photonics Labs. (Japan)
Toshio Morioka, NTT Network Innovation Labs. (Japan)

Published in SPIE Proceedings Vol. 4268:
Growth, Fabrication, Devices, and Applications of Laser and Nonlinear Materials
Jeffrey W. Pierce; Kathleen I. Schaffers; Kathleen I. Schaffers, Editor(s)

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