InP-based active and passive components for communication systems at 2 μm

N. Ye, M.R. Gleeson, M.U. Sadiq, B. Roycroft, C. Robert, H. Yang, H. Zhang, P.E. Morrissey, N. Mac Suibhne, K. Thomas, A. Gocalinska, E. Pelucchi, R. Phelan, B. Kelly, J. O'Carroll, F.H. Peters, F.C. Garcia Gunning, B. Corbett

Research output: Contribution to journalArticlepeer-review

Abstract

Progress on advanced active and passive photonic components that are required for high-speed optical communications over hollow-core photonic bandgap fiber at wavelengths around 2 μm is described in this paper. Single-frequency lasers capable of operating at 10 Gb/s and covering a wide spectral range are realized. A comparison is made between waveguide and surface normal photodiodes with the latter showing good sensitivity up to 15 Gb/s. Passive waveguides, 90° optical hybrids, and arrayed waveguide grating with 100-GHz channel spacing are demonstrated on a large spot-size waveguide platform. Finally, a strong electro-optic effect using the quantum confined Stark effect in strain-balanced multiple quantum wells is demonstrated and used in a Mach-Zehnder modulator capable of operating at 10 Gb/s.

Original languageEnglish
Pages (from-to)971-975
Number of pages5
JournalJournal of Lightwave Technology
Volume33
Issue number5
Early online date18 Dec 2014
DOIs
Publication statusPublished - 1 Mar 2015

Keywords

  • detectors
  • high bandwidth
  • lasers
  • optical communications
  • optical modulators
  • quantum confined Stark effect (QCSE)

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