研究目的
Investigating the data transmission capabilities of an EAM-integrated widely tunable DBR laser for long-reach low-cost WDM optical network applications.
研究成果
The EAM-modulated widely tunable DBR laser demonstrates promising results for long-reach low-cost WDM optical network applications, with successful 10 Gb/s NRZ and 20 Gb/s PAM4 data transmissions over distances of up to 75 km and 45 km, respectively.
研究不足
The study is limited to the characterization of the device at room temperature and does not explore performance under varying environmental conditions.
1：Experimental Design and Method Selection:
The study involves the fabrication and characterization of an EAM-integrated widely tunable DBR laser for data transmission.
2：Sample Selection and Data Sources:
The device is tested for data transmission in standard single mode fibers at 25 °C.
3：List of Experimental Equipment and Materials:
Includes a commercial pulse pattern generator (PPG, SHF-12125B), an APD receiver (Oclaro AT10XGC-J57), and a PIN PD (Finisar XPDV2120R).
4：Experimental Procedures and Operational Workflow:
The device is modulated with NRZ and PAM4 data patterns, and the BER is measured after different transmission distances.
5：Data Analysis Methods:
The BER performances are analyzed for different transmission distances and wavelengths.
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