Table 1 Comparison between multi-cycle THz parametric sources using KTP.

From: High-resolution imaging enabled by 100-kW-peak-power parametric source at 5.7 THz

 

This work

Jia et al.20

Tian et al.23

Material

KTP

KTP

Rb:PPKTP

Frequency

5.7 THz

5.7 THz

0.5 THz

Temperate

Room

Room

77 K

THz pulse energy (μJ)

8.4

17

0.72

THz peak power (kW)

101.2

11.3a

4.9b

  1. aAssuming one-fifth of the pump pulse width.
  2. bAssuming a transform limited pulse of 147 ps, although the pump pulse width is 250 ps.
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