Linewidth-narrowing of a continuous wave terahertz polariton laser using an intracavity etalon

Yameng Zheng*, Andrew Lee, David Spence, Helen Pask

*Corresponding author for this work

Research output: Contribution to journalArticle

Abstract

An uncoated etalon was incorporated within an intracavity continuous wave terahertz polariton laser, leading to a tenfold reduction in linewidth, plus a factor of 2 increase in the THz output power. The increase in output power is explained in terms of phase matching considerations for the parametric downconversion process.

Original languageEnglish
Pages (from-to)157-160
Number of pages4
JournalOptics Letters
Volume45
Issue number1
DOIs
Publication statusPublished - 1 Jan 2020

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