Digital Optical Pulse Generator Using Piezoelectric Feedback Control
A piezoelectric ceramic and feedback control technology, applied in circuits, lasers, electrical components, etc., can solve problems such as poor stability of output pulse repetition frequency, long cavity of active mode-locked fiber lasers, and poor stability of output light pulses, etc., to achieve anti- Effects of high damage threshold, optimized optical pulse, and wide wavelength range of bandwidth response
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Embodiment 1
[0021] Embodiment 1: Concrete structure of the present invention
[0022] The structure of a digital optical pulse generator using piezoelectric ceramic feedback control according to the present invention is shown in the attached figure 1 As shown, its structure is that the pump light source 1 (980nm laser, the maximum output power is 1W) is connected to the 980nm end of the wavelength division multiplexer 2 (980 / 1550nm wavelength division multiplexer), and the wavelength division multiplexer 2 The 1550nm end is connected to the input end of the first optical coupler 3 (1×2 standard single-mode optical coupler with a splitting ratio of 10:90); the 10% output end of the first optical coupler 3 is connected to the first polarization controller 4 One end of the (pigtail type mechanical polarization controller) is connected, and the optical pulse of its output continues to run in the resonator of the active mode-locked fiber laser, and the 90% output end of the first optical coup...
Embodiment 2
[0024] Embodiment 2 Working process of the present invention and the effect of each main component
[0025] attached figure 1 In the structure shown, the pumping light source 1 is used as the laser pumping source of the whole system, and the pumping light source 1 enters the system through the wavelength division multiplexer 2; the first optical coupler 3 with a splitting ratio of 10:90 connects The running laser is divided into two parts, one part (90%) is output to the third optical coupler 11, and the other part (10%) continues to run in the resonator of the active mode-locked fiber laser; the third light splitting ratio is 40:60 The coupler 11 divides the laser light output by the first optical coupler 3 into two parts, one part (60%) is used as the laser output of the whole system, and the other part (40%) is output to the fourth optical coupler 12 as a feedback signal of the system; The first polarization controller 4 and the second polarization controller 28 are used ...
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