研究目的
Investigating the performance of a new kind of distributed feedback (DFB) semiconductor laser based on the sampled moiré grating (SMG) integrated with a grating reflector (GR) for improved output power, single longitudinal mode (SLM) operation, and high wavelength precision.
研究成果
The proposed SMG-GR-DFB laser shows improved output power and better laser performances compared to SMG-DFB laser without GR section and π-EPS-GR-DFB laser. An 8-channel SMG-GR-DFB laser array with wavelength spacing of 1.5 nm is also simulated, which is beneficial for optical communications and gas sensors.
研究不足
The study is based on simulations, and actual experimental validation is not provided. The practical implementation and fabrication challenges are not discussed.
1：Experimental Design and Method Selection:
The study proposes a DFB semiconductor laser based on SMG integrated with GR. The coupling coefficient along the laser cavity is controlled, and π phase shift is introduced by SMG. The GR provides reflection for facet light, and both facets are coated with anti-reflection coatings to avoid the influence of facet-phase.
2：Sample Selection and Data Sources:
The study uses theoretical models and simulations to analyze the performance of the proposed laser structure.
3：List of Experimental Equipment and Materials:
Not explicitly mentioned.
4：Experimental Procedures and Operational Workflow:
The study involves designing and simulating the SMG-GR-DFB laser and comparing its performance with SMG-DFB laser without GR section and π-EPS-GR-DFB laser.
5：Data Analysis Methods:
The performance is analyzed based on output power, threshold gain margin, and single longitudinal mode operation.
独家科研数据包，助您复现前沿成果，加速创新突破
获取完整内容
