Two-dimensional aperiodic nonlinear photonic crystal in a dual-wavelength Nd:YVO4 laser for pulsed orange generation

P. Y. Chou, W. K. Chang, H. P. Chung, Y. H. Chen

Research output: Contribution to journalArticlepeer-review

10 Scopus citations

Abstract

We report the design and construction of a highly integrated twodimensional (2D) aperiodic nonlinear photonic crystal (NPC) for working in a diode-pumped, dual-wavelength (1064 and 1342 nm) Nd:YVO4 laser to demonstrate a compact, high-peak-power intracavity sum-frequency generator (ISFG) radiating at orange 593.5 nm. The 2D aperiodic NPC was built in quasi-phase-matched LiNbO3 whose crystal domain was structured based on the aperiodic optical superlattice technique to best achieve its simultaneous performance of a dual-wavelength electro-optic Bragg Q-switch and a SFG in the Nd:YVO4 laser. When the NPC device was driven with a 350-V Q-switching voltage and a 1-kHz switching rate, we measured pulse energy of ∼4.3 μJ (or peak power of ∼531 W) at orange 593.5 nm from the constructed ISFG with 5.28-W diode power.

Original languageEnglish
Pages (from-to)28857-28864
Number of pages8
JournalOptics Express
Volume22
Issue number23
DOIs
StatePublished - 17 Nov 2014

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