OSNR monitoring technique based on orthogonal delayed-homodyne method
| Autor: | Keun Joo Park, Jun Haeng Lee, Yun Chur Chung, Chun Ju Youn |
|---|---|
| Rok vydání: | 2002 |
| Předmět: |
Noise power
Noise measurement Computer science Single-mode optical fiber Optical performance monitoring Optical modulation amplitude Noise (electronics) Atomic and Molecular Physics and Optics Electronic Optical and Magnetic Materials Direct-conversion receiver Signal-to-noise ratio Transmission (telecommunications) Homodyne detection Polarization mode dispersion Modulation Wavelength-division multiplexing Bit error rate Electronic engineering Electrical and Electronic Engineering Intensity modulation |
| Zdroj: | IEEE Photonics Technology Letters. 14:1469-1471 |
| ISSN: | 1941-0174 1041-1135 |
| DOI: | 10.1109/lpt.2002.802377 |
| Popis: | The authors propose and demonstrate a simple technique to monitor the optical signal-to-noise ratio (OSNR) of wavelength-division-multiplexing (WDM) signals using the orthogonal delayed-homodyne method. This technique estimates the OSNR by analyzing the receiver noise characteristics after eliminating the signal components at a specific frequency within the modulation bandwidth. The results show that the OSNR of WDM signals could be monitored with accuracy better than 0.5 dB in the range of 12/spl sim/35 dB. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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