All-optical processing for pulse position coded header in packet switched optical networks using vertical cavity semiconductor gates

C. Porzi, N. Calabretta, M. Guina, O. Okhotnikov, A. Bogoni, L. Potì

Research output: Contribution to journalArticleAcademicpeer-review

1 Citation (Scopus)

Abstract

In this paper, we demonstrate all-optical header extraction and seed-pulse extraction for routing and synchronization of optical packets with pulse-position-coded headers. Our approach exploits self-induced effects in a passive, lowpower, polarization-independent, compact vertical cavity semiconductor gate (VCSG). The VCSG operation is based on saturable absorption in semiconductor multiple quantum wells placed within an asymmetric Fabry-Pérot cavity. Experiments were performed for both amplitude-modulated and differential-phase-shift - keying-modulated payload data. The payload repetition rate was 12.5 Gbit/s. The packet-bit rate was not limited by the gate recovery time. The operation of the VCSG was also investigated numerically.

Original languageEnglish
Pages (from-to)1579-1588
Number of pages10
JournalIEEE Journal of Selected Topics in Quantum Electronics
Volume13
Issue number5
DOIs
Publication statusPublished - Sep 2007
Externally publishedYes

Keywords

  • Header extraction
  • Optical signal processing
  • Packet self-synchronization
  • Packet switching
  • Quantum-wells devices
  • Saturable absorption

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