Correction to: Investigation on four-wave mixing toward mid-infrared waveband in tellurite photonic crystal fiber

1 Correction to: Optical and Quantum Electronics (2018) 50:415 https://doi.org/10.1007/s11082-018-1680-0

After publication of the paper, the authors realized that the signal gain in Fig. 6b, d, f was calculated using G_s = 10ln[P_s(L)/P_s(0)]. It should be calculated using G_s = 10log₁₀[P_s(L)/P_s(0)]. Here is the corrected version.

• 1. The longitudinal coordinate of Fig. 6, d, f was corrected as follows:

  

• 2. In the second paragraph of Sect. 5, “the maximum signal gain of 34.90, 50.92, 50.64, 49.03 and 47.14 dB” should be corrected to “the maximum signal gain of 15.16, 22.11, 21.99, 21.29 and 20.47 dB”. “3 dB gain bandwidths are 0.41, 0.19, 0.08, 0.05 and 0.04 nm” should be corrected to “3 dB gain bandwidths are 1.50, 0.73, 0.33, 0.20 and 0.18 nm”.

• 3. In the third paragraph of Sect. 5, “the corresponding peak gains are 85.09, 69.51, 50.92, 30.00 and 9.94 dB” should be corrected to “the corresponding peak gains are 36.95, 30.19, 20.11, 13.03 and 4.32 dB”.

• 4. In the fourth paragraph of Sect. 5, “maximum signal gains are 50.92, 56.01, 58.98, 61.10, 62.49 and 63.90 dB” should be corrected to “maximum signal gains are 22.11, 24.33, 25.61, 26.54, 27.14 and 27.75 dB”.