Abstract

In Opt. Lett. 44, 5755 (2019) [CrossRef]  , a factor is missing in the result of Eq.  (1). Thus, the width of the comb spectrum $ \Delta \nu $ becomes $ \Delta \nu = 2{\sqrt 3} \Gamma {\alpha _e} $.

© 2020 Optical Society of America

The effective LEF $ {\alpha _e} $ is obtained by computing over the entire comb spectrum the mean square of $ \alpha (\nu ) $ such as

$${\alpha _e} = \sqrt {\frac{1}{{\Delta \nu }}\int_{\rm comb} {\rm d}\nu ^\prime {\alpha ^2}(\nu ^\prime )}, $$
with $ \Delta \nu $ the width of the comb spectrum, while $ \nu ^\prime $ is the frequency of the radiation emitted by the laser. Therefore, assuming a QD as a two-level atomic system and that the center of the emitted comb spectrum matches the center frequency of the QD transition, integration of Eq. (1) leads to
$$\Delta \nu = 2{\sqrt 3} \Gamma {\alpha _e}$$
with $ \Gamma $ the homogeneous broadening of the QD transition. The factor two was missing in [1].

REFERENCE

1. B. Dong, H. Huang, J. Duan, G. Kurczveil, D. Liang, R. G. Beausoleil, and F. Grillot, Opt. Lett. 44, 5755 (2019). [CrossRef]  

References

  • View by:

  1. B. Dong, H. Huang, J. Duan, G. Kurczveil, D. Liang, R. G. Beausoleil, and F. Grillot, Opt. Lett. 44, 5755 (2019).
    [Crossref]

2019 (1)

Cited By

Optica participates in Crossref's Cited-By Linking service. Citing articles from Optica Publishing Group journals and other participating publishers are listed here.

Alert me when this article is cited.


Equations (2)

Equations on this page are rendered with MathJax. Learn more.

α e = 1 Δ ν c o m b d ν α 2 ( ν ) ,
Δ ν = 2 3 Γ α e

Metrics