Microchip dual-frequency laser with well-balanced intensity utilizing temperature control.
A continuous-wave microchip dual-frequency laser (DFL) with well balanced intensity was presented. In order to obtain such a balanced intensity distribution of the two frequency components, the DFL wavelengths were precisely tuned and spectrally matched with the emission cross section (ECS) spectrum of the gain medium by employing a temperature controller. Finally, when the heat sink temperature was controlled at -5.6°C, a 264 mW DFL signal was achieved with frequency separation at 67.52 GHz and intensity balance ratio (IBR) at 0.991.
Miao
M
Hu
Yu
Y
Zhang
Mian
M
Wei
Ran
R
Zeng
Qiliang
Q
Li
Yang
Y
Lu
Yizhen
Y
Wei