Abstract
A tunable circularly polarized distributed feedback (DFB) laser based on reflection grating configuration was realized in a solution of 4-(dicyanomethylene)-2-methyl-6-(4-dimethylaminostyryl)-4H-pyran (DCM) doped methanol. Chiral photonic DFB structures with tunable photonic bandgap were generated by controlling the state of polarization of the two interfering pump beams. The dual-peak lasing emission spectrum indicates that the periodic chiral DFB grating is affected by a combination of modulations of gain and refractive index.
Original language | English |
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Pages (from-to) | 16746-16753 |
Number of pages | 8 |
Journal | Optics Express |
Volume | 16 |
Issue number | 21 |
DOIs | |
Publication status | Published - 13 Oct 2008 |
Externally published | Yes |
ASJC Scopus subject areas
- Atomic and Molecular Physics, and Optics