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

Yuzo Sasaki; Yuri Avetisyan; Hiroyuki Yokoyama; Hiromasa Ito

doi:10.1364/OL.30.002927

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

Yuzo Sasaki, Yuri Avetisyan, Hiroyuki Yokoyama, Hiromasa Ito

New Industry Creation Hatchery Center (NICHe)

Research output: Contribution to journal › Article › peer-review

47 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 language	English
Pages (from-to)	2927-2929
Number of pages	3
Journal	Optics Letters
Volume	30
Issue number	21
DOIs	https://doi.org/10.1364/OL.30.002927
Publication status	Published - 2005 Nov 1

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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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.",

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AU - Ito, Hiromasa

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

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