For long distance optical interconnects, 1.3-μm surface-emitting lasers are key devices. However, the low output power of several milliwatts limits their application. In this study, by introducing a two-dimensional photonic-crystal and using InAs quantum dots as active materials, a continuous-wave, 13.3-mW output power, 1.3-μm wavelength, room-temperature surface-emitting laser is achieved. In addition, such a device can be operated at high temperatures of up to 90 °C. The enhanced output power results from the flat band structure of the photonic crystal and an extra feedback mechanism. Surface emission is realized by photonic crystal diffraction and thus the distributed Bragg reflector is eliminated. The proposed device provides a means to overcome the limitations of low-power 1.3-μm surface-emitting lasers and increase the number of applications thereof.

对于长距离光学互连，1.3μm的表面发射激光器是关键设备。但是，几毫瓦的低输出功率限制了它们的应用。在这项研究中，通过引入二维光子晶体并使用InAs量子点作为活性材料，获得了连续波，13.3mW输出功率，1.3μm波长的室温表面发射激光器。此外，这种设备可以在高达90°C的高温下运行。输出功率的提高归因于光子晶体的平坦带结构和额外的反馈机制。通过光子晶体衍射实现表面发射，因此消除了分布式布拉格反射器。拟议中的设备提供了一种克服低功耗1局限性的方法。