Surface-emitted terahertz-wave difference-frequency generation in two-dimensional periodically poled lithium niobate

Yuzo Sasaki, Yuri Avetisyan, Hiroyuki Yokoyama, Hiromasa Ito

Research output: Contribution to journalArticlepeer-review

42 Citations (Scopus)

Abstract

We report on the demonstration of surface-emitted terahertz- (THz-) wave difference-frequency generation from two-dimensional (2D) periodically poled lithium niobate (PPLN). The two orthogonal periodic structures individually compensate for both the phase mismatch of the launched lasers and the generated THz wave. Tunable 1.5-1.8 THz wave generation with a bandwidth of 10-GHz was obtained by use of two 2D PPLN crystals. We also confirmed that THz waves were simultaneously generated into two opposite directions, which suggests the possibility of higher THz-wave output power.

Original languageEnglish
Pages (from-to)2927-2929
Number of pages3
JournalOptics Letters
Volume30
Issue number21
DOIs
Publication statusPublished - 2005 Nov 1

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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