Experimental Investigation of Delay-Tap Sampling Technique for Online Monitoring of RZ-DQPSK signals
- Title :
Experimental Investigation of Delay-Tap Sampling Technique for Online Monitoring of RZ-DQPSK signals
- Author :
B.Kozicki, A.Maruta, and K.Kitayama
- Journal :
IEEE Photonics Technology Letters, Vol.21, Issue 3, pp.179-181, 2009
- Abstract :
We experimentally demonstrate optical performance monitoring of 20 Gb/s return-to-zero differential quadrature phase-shift keying (RZ-DQPSK) signals using asynchronous delay-tap sampling technique. This method allows online monitoring of accumulated chromatic dispersion (CD) in the range from -600 to +600 ps/nm. We also show evaluation of optical signal-to-noise ratio (OSNR) at a level of 6.7 dB and monitor operation at input power of -16 dBm.
[Back to the List of Publications]