Tunable coupled cavity semiconductor laser
A coupled cavity and semiconductor technology, applied in the field of tunable coupled cavity semiconductor lasers, can solve problems such as complex processes, achieve the effects of simple manufacturing process, high yield and reliability, and overcome high manufacturing precision requirements
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[0039]Whispering gallery mode microcavity utilizes the total reflection of light at the interface to form a resonant mode. It has the advantages of small size, low threshold, low power consumption, and easy integration. It is widely used in photonic integrated circuits, optical interconnections, optical communications, and microwave photonics. and other fields. Compared with traditional semiconductor lasers, due to its high quality factor and small size, it has shown obvious advantages in direct high-speed modulation. However, the whispering gallery mode microcavity laser has a smaller cavity volume and lower output power than traditional lasers, so a certain trade-off needs to be made between the output power and the single-mode nature of the cavity. In addition, in the prior art, although the coupling cavity structure formed by conventionally shaped whispering gallery microcavities such as disk, circular, regular polygon or ellipse and FP cavity has significantly improved th...
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