Electro-optically spectrum narrowed, multiline intracavity optical parametric oscillators

W. K. Chang, H. P. Chung, Y. Y. Chou, R. Geiss, S. D. Yang, T. Pertsch, Y. H. Chen

Research output: Contribution to journalArticlepeer-review

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Abstract

We report on the first building of an active spectral narrowing mechanism in a pulsed, multiline optical parametric oscillator (OPO) based on a novel aperiodically poled lithium niobate (APPLN) device constructed using the aperiodic optical superlattice technique. The APPLN device functions simultaneously in the system as a multi-channel optical parametric down converter (OPDC) and an electro-optic (EO) gain spectral filter working on the corresponding (multiple) signal bands. When the APPLN OPO was installed in a diode pumped Nd:YVO4 laser system, highly narrowed dual-wavelength signal lines (at 1540 and 1550 nm) were observed at the output of the system through EO control of the APPLN. Correspondingly, an enhancement of the power spectral density of the source by a factor of ∼7.8 with respect to the system operated in passive mode was found.

Original languageEnglish
Pages (from-to)28905-28914
Number of pages10
JournalOptics Express
Volume24
Issue number25
DOIs
StatePublished - 12 Dec 2016

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