|
Experimental investigation of dynamic characteristics of injection lasers
V. I. Borodulin, V. P. Konyaev, V. T. Potapov, D. P. Tregub, B. B. Èlenkrig
Abstract:
An experimental method was developed for the study of dynamics of the establishment of the spectral, power, and spatial characteristics of the radiation emitted by injection lasers with good spectral (~0.1 nm), temporal (~2×10–10 sec), and spatial (~1 μ) resolutions. An investigation was made of few-mode injection lasers based on AlxGa1–xAs–GaAs heterostructures of two types. The characteristic time for the establishment of the half-width of the emission spectrum was τs ≤ 5×10–10 sec. It was also found that in the case of injection lasers characterized by an instability of the lasing channel the changes in the spectrum due to this instability occurred in a time τi ≤ 2×10–10 sec. The characteristics of these injection lasers were studied when the pump current pulses had a microwave component of frequency in the range 0.1–3 GHz. It was found that for f ≤ 1/2πτs, the influence of the microwave component on the emission spectra of the injection lasers was slight. However, when the pump pulse included a microwave component and the frequency of this component was 2πfτi > 1, the emission from lasers with a kink-type instability depended strongly on the initial conditions.
Received: 10.09.1982 Revised: 23.02.1983
Citation:
V. I. Borodulin, V. P. Konyaev, V. T. Potapov, D. P. Tregub, B. B. Èlenkrig, “Experimental investigation of dynamic characteristics of injection lasers”, Kvantovaya Elektronika, 10:8 (1983), 1592–1598 [Sov J Quantum Electron, 13:8 (1983), 1047–1050]
Linking options:
https://www.mathnet.ru/eng/qe4568 https://www.mathnet.ru/eng/qe/v10/i8/p1592
|
|