Phase-locked arrays of surface-emitting graded-photonic-heterostructure terahertz semiconductor lasers.

We have demonstrated that a hybrid laser array, combining graded-photonic-heterostructure terahertz semiconductor lasers with a ring resonator, allows the relative phase (either symmetric or anti-symmetric) between the sources to be fixed by design. We have successfully phase-locked up to five separate lasers. Compared with a single device, we achieved a clear narrowing of the output beam profile.

• Publication year

  2015

• Venue

  Optics Express

• Publication date

  2015-03-09

• Fields of study

  Materials Science, Physics, Medicine, Engineering

• Identifiers
  DOI 10.1364/OE.23.006915PMID 25836911
• External record

  Open on Semantic Scholar

• Source metadata

  Semantic Scholar, PubMed

• No claims are published for this paper.

• No concepts are published for this paper.

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