Table 1 Performance comparison

From: Highly efficient surface-emitting semiconductor lasers exploiting quasi-crystalline distributed feedback photonic patterns

 

Peak power

Slope efficiency

Single mode/multi mode

3rd order DFB

11 mW

142 mW/A

Single mode

1D corrugated DFB

25 mW

250 mW/A

Single mode

2D–7-fold quasi crystala

67 mW

57 mW/A

Multi mode

2D random lasera

21 mW

18 mW/A

Multi mode

Octonacci quasi crystal laser

190 mW

720 ± 16 mW/A

570 ± 14 mW/A (78 K)

Single mode

Octonacci quasi crystal lasera

240 mW

700 ± 12 mW/A

570 ± 11 mW/A (78 K)

Multi mode

  1. Comparison between the peak output power and slope efficiency of a set of 1D and 2D single-frequency-mode and multimode THz lasers fabricated from the same heterostructure
  2. aIndicates devices with identical dimensions
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