Details
| Original language | English |
|---|---|
| Pages (from-to) | 1914-1917 |
| Number of pages | 4 |
| Journal | Optics letters |
| Volume | 45 |
| Issue number | 7 |
| Early online date | 28 Feb 2020 |
| Publication status | Published - 23 Mar 2020 |
Abstract
We experimentally demonstrate in a difference-frequency generation mid-infrared frequency comb source the effect of temporal overlap between pump and signal pulses on the relative intensity noise (RIN) of the idler pulse. When scanning the temporal delay between our 130 fs long signal and pump pulses, we observe a RIN minimum with a 3 dB width of 20 fs delay and a RIN increase of 20 dB in 40 fs delay at the edges of this minimum. We also demonstrate active long-term stabilization of the mid-infrared frequency comb source to the temporal overlap setting corresponding to the lowest RIN operation point by an online RIN detector and active feedback control of the pump-signal pulse delay. This active stabilization setup allows us to dramatically increase the signal-to-noise ratio of mid-infrared absorption spectra.
ASJC Scopus subject areas
- Physics and Astronomy(all)
- Atomic and Molecular Physics, and Optics
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In: Optics letters, Vol. 45, No. 7, 23.03.2020, p. 1914-1917.
Research output: Contribution to journal › Article › Research › peer review
}
TY - JOUR
T1 - Intensity noise optimization of a mid-infrared frequency comb difference-frequency generation source
AU - de Oliveira, Vinicius Silva
AU - Ruehl, Axel
AU - Masłowski, Piotr
AU - Hartl, Ingmar
N1 - Funding Information: Conselho Nacional de Desenvolvimento Cient?fico e Tecnol?gico; Stephenson Distinguished Visitor Programme by DESY; Narodowe Centrum Nauki (2016/23/B/ST2/00730); PIER Fellowship by DESY and HamburgUniversity.
PY - 2020/3/23
Y1 - 2020/3/23
N2 - We experimentally demonstrate in a difference-frequency generation mid-infrared frequency comb source the effect of temporal overlap between pump and signal pulses on the relative intensity noise (RIN) of the idler pulse. When scanning the temporal delay between our 130 fs long signal and pump pulses, we observe a RIN minimum with a 3 dB width of 20 fs delay and a RIN increase of 20 dB in 40 fs delay at the edges of this minimum. We also demonstrate active long-term stabilization of the mid-infrared frequency comb source to the temporal overlap setting corresponding to the lowest RIN operation point by an online RIN detector and active feedback control of the pump-signal pulse delay. This active stabilization setup allows us to dramatically increase the signal-to-noise ratio of mid-infrared absorption spectra.
AB - We experimentally demonstrate in a difference-frequency generation mid-infrared frequency comb source the effect of temporal overlap between pump and signal pulses on the relative intensity noise (RIN) of the idler pulse. When scanning the temporal delay between our 130 fs long signal and pump pulses, we observe a RIN minimum with a 3 dB width of 20 fs delay and a RIN increase of 20 dB in 40 fs delay at the edges of this minimum. We also demonstrate active long-term stabilization of the mid-infrared frequency comb source to the temporal overlap setting corresponding to the lowest RIN operation point by an online RIN detector and active feedback control of the pump-signal pulse delay. This active stabilization setup allows us to dramatically increase the signal-to-noise ratio of mid-infrared absorption spectra.
UR - http://www.scopus.com/inward/record.url?scp=85082731101&partnerID=8YFLogxK
U2 - 10.1364/OL.391195
DO - 10.1364/OL.391195
M3 - Article
C2 - 32236031
AN - SCOPUS:85082731101
VL - 45
SP - 1914
EP - 1917
JO - Optics letters
JF - Optics letters
SN - 0146-9592
IS - 7
ER -