Abstract
We demonstrate all-optical conversion between two different data formats: return-to-zero (RZ) and nonreturn-to-zero (NRZ) using a Mach-Zehnder interferometric wavelength converter. For RZ-to-NRZ conversion, a duplication scheme is demonstrated to reduce the ripples caused by the carrier recovery of the semiconductor optical amplifier. The relationship between the ripple-to-signal ratio and the number of pulse duplications is numerically analyzed. For the NRZ-to-RZ conversion, the wavelength converter also shows high performance. The converted RZ signal has a negative power penalty to the NRZ signal due to the change of the data format.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 308-310 |
| Number of pages | 3 |
| Journal | IEEE Photonics Technology Letters |
| Volume | 15 |
| Issue number | 2 |
| DOIs | |
| State | Published - Feb 2003 |
All Science Journal Classification (ASJC) codes
- Electronic, Optical and Magnetic Materials
- Atomic and Molecular Physics, and Optics
- Electrical and Electronic Engineering
Keywords
- Format conversion
- Optical communications
- Optical networks
- Semiconductor optical amplifiers (SOAs)