SOA-Based Polarity-Preserving All-Optical Wavelength Conversion at 80Gbit/s: Wide Conversion Range, Well Dynamic Characteristics and Polarization Insensitive

Shuangyi Yan, Jian-Guo Zhang, Wei Zhao

Research output: Contribution to journalArticle (Academic Journal)peer-review

Abstract

This letter presents the effective design of a tunable 80 Gbit/s wavelength converter with a simple configuration consisting of a single semiconductor optical amplifier (SOA) and an optical bandpass filter (OBPF). Based on both cross-gain and cross-phase modulation in SOA, the polarity-preserved, ultrafast wavelength conversion is achieved by appropriately filtering the blue-chirped spectral component of a probe light. Moreover, the experiments are carried out to investigate into the wavelength tunability and the maximum tuning range of the designed wavelength converter. Our results show that a wide wavelength conversion range of nearly 35 nm is achieved with 21-nm downconversion and 14-nm upconversion, which is substantially limited by the operation wavelength ranges of a tunable OBPF and a tunable continuous-wave laser in our experiment. We also exploited the dynamics characteristics of the wavelength converter with variable input powers and different injection current of SOA. © 2008 Wiley Periodicals, Inc. Microwave Opt Technol Lett 50: 2392399, 2008; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.23695
Original languageEnglish
Pages (from-to)2392-2399
Number of pages8
JournalMicrowave and Optical Technology Letters
Volume50
Issue number9
DOIs
Publication statusPublished - 2008

Keywords

  • cross phase modulation
  • optical fiber communications
  • optical signal processing
  • semiconductor optical amplifier
  • wavelength conversion

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