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Simultaneously phase-matched second- and third-harmonic generation from 1.55 microm radiation in annealed proton-exchanged periodically poled lithium niobate waveguides.
| Content Provider | Semantic Scholar |
|---|---|
| Author | Marangoni, Marco Lobino, Mirko Ramponi, Roberta |
| Copyright Year | 2006 |
| Abstract | Third-harmonic generation (THG) in the cw regime from C-band radiation was achieved in annealed proton-exchanged periodically poled lithium niobate (PPLN) waveguides. By suitable design of fabrication parameters and operating conditions, quasi-phase-matching (QPM) is obtained simultaneously for the second-harmonic generation process (omega-->2omega, first-order QPM) and for the sum-frequency-generation process (omega+2omega-->3omega, third-order QPM), which provides the third harmonic of the pump field. The high overlap between the field profiles of the interacting modes--TM00 at omega and TM10 at 2omega and 3omega--results in what is believed to be the highest ever reported normalized conversion efficiency for THG from telecommunication wavelengths, equal to 0.72%W(-2) cm(-4). |
| File Format | PDF HTM / HTML |
| DOI | 10.1364/OL.31.002707 |
| PubMed reference number | 16936865 |
| Journal | Medline |
| Volume Number | 31 |
| Issue Number | 18 |
| Alternate Webpage(s) | https://iqtlab.net/wp-content/uploads/2017/11/third_harmonic.pdf |
| Alternate Webpage(s) | https://doi.org/10.1364/OL.31.002707 |
| Journal | Optics letters |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
