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10 Gb/s TDM passive optical networks using four wavelengths multiplexed channels |
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| Authors: | CH Wang FY Shih CW Chow |
| Institution: | a Department of Photonics and Institute of Electro-Optical Engineering, National Chiao Tung University, Rm. 235A, EE Building 5, Hsinchu 30010, Taiwan b Information and Communications Research Laboratories, Industrial Technology Research Institute, Chutung, Hsinchu 31040, Taiwan c Department of Electro-Optical Engineering, Yuan Ze University, Chung-Li 32003, Taiwan |
| Abstract: | We propose a new architecture for 10 Gb/s upstream traffic in TDM-PON using externally injection-locked Fabry-Perot laser diodes (FP-LDs) in each optical network unit (ONU). Four directly modulated 2.5 Gb/s FP-LDs were injection-locked by continuous wave (CW) carriers distributed from the optical line terminal (OLT). Hence, a total of 10 Gb/s upstream traffic can be achieved. Experimental results show negligible power penalty at a transmission of 25 km standard single mode fiber (SMF) without dispersion compensation. The performance of the injection-locked FP-LD is also studied. |
| Keywords: | Passive optical networks (PONs) Lasers Injection-locked Fiber optics communications |
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