Long period gratings written in large-mode area photonic crystal fiber
✍ Scribed by D. Nodop; S. Linke; F. Jansen; J. Limpert; A. Tünnermann; L. Rindorf
- Publisher
- Springer
- Year
- 2008
- Tongue
- English
- Weight
- 317 KB
- Volume
- 92
- Category
- Article
- ISSN
- 0721-7269
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## Abstract We systematically analyze the mode‐coupling effects of stress‐induced long‐period gratings (LPGs) using photonic crystal fiber (PCF). Two Mach–Zehnder interferometers based on this grating are demonstrated. These devices offer the unique advantages of being tunable and reconfigurable. T
two traces shown in Figure 5, the DOP variations can be greatly improved from 60% to 13%. In particular, at a long wavelength of 1580 nm, the DOP can be increased from 20% to 80%. This laser with an A-D-A SOP feedback-control circuit can be applied in wavelength-response measurement for wavelength d