研究目的
Investigating the construction of a semiconductor laser with a stripe waveguide to obtain radiation similar to that of a phase-locked laser array.
研究成果
The proposed construction of a semiconductor laser with a stripe spatially single-mode waveguide arranged in a zigzag on the heterostructure can generate radiation similar to that of a phase-locked laser array without supermodes. Existing technologies make it possible to implement the proposed construction.
研究不足
The characteristics of a real device inevitably depend on the natural technological deviation of the parameters. The study does not provide experimental validation of the proposed construction.
1：Experimental Design and Method Selection:
The study proposes a semiconductor laser with a zigzag-shaped stripe waveguide to avoid supermodes characteristic of conventional laser arrays.
2：Sample Selection and Data Sources:
The model system uses an active region on an InGaAs quantum well with a radiation wavelength of 980 nm and a GaAs/Al
3：15Ga85As waveguide. List of Experimental Equipment and Materials:
The construction involves photolithography and plasma-chemical etching for the stripe waveguide.
4：Experimental Procedures and Operational Workflow:
The study discusses the formation of output mirrors using etching technologies and the arrangement of mirrors with respect to other structural elements.
5：Data Analysis Methods:
The far-field radiation of the quasi-array is analyzed using diffraction-grating formalism.
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