Distributed Bragg pulse shaper: Demonstration and model

Ken G. Purchase, David J. Brady, S. David Roh, R. M. Lammert, M. L. Osowski, James J. Coleman, John S. Hughes

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

The distributed Bragg pulse-shaper (DBPS) is a series of electrically switchable Bragg mirrors on a semiconductor waveguide. The DBPS encodes data packets using parallel electrical signals to set the states of the Bragg mirrors. A broad-band source pulse then probes the device to generate a high bandwidth serial wavepacket from the train of partially reflecting mirrors. This paper describes a DBPS constructed in AlGaAs. Using this device and a mode-locked Ti:sapphire laser, we create a 4-bit packet with 0.37 Tb/s burst bit rate and we demonstrate for the first time that bits in the wavepacket can be switched by electrical modulation of individual Bragg segments. We also describe a model collaborating the observed data.

Original languageEnglish (US)
Pages (from-to)621-628
Number of pages8
JournalJournal of Lightwave Technology
Volume17
Issue number4
DOIs
StatePublished - Apr 1999
Externally publishedYes

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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