Title :
A novel frequency-offset monitoring technique in direct-detection DPSK systems
Author :
Ji, H.-C. ; Park, Paul K J ; Lee, J.H. ; Chung, Y.C.
Author_Institution :
Dept. of Electr. Eng., Korea Adv. Energy Res. Inst., Daejeon, South Korea
Abstract :
We propose and demonstrate a novel technique to monitor the frequency offset between the optical signal and delay interferometer in direct-detection DPSK systems. The monitoring range and accuracy of the proposed technique were measured to be ±2 GHz and ∼1 MHz, respectively.
Keywords :
differential phase shift keying; monitoring; optical fibre communication; optical modulation; optical signal detection; delay interferometer; direct-detection DPSK systems; frequency-offset monitoring technique; Delay; Differential quadrature phase shift keying; Fiber nonlinear optics; Frequency; Monitoring; Nonlinear optics; Optical interferometry; Optical modulation; Optical receivers; Optical sensors;
Conference_Titel :
Optical Fiber Communication Conference, 2006 and the 2006 National Fiber Optic Engineers Conference. OFC 2006
Print_ISBN :
1-55752-803-9
DOI :
10.1109/OFC.2006.215819
