Active optical time integrator based on semiconductor optical amplifier

Abstract

The invention discloses an active optical time integrator based on a semiconductor optical amplifier. The active optical time integrator comprises the semiconductor optical amplifier with a high net module gain coefficient and high-reflectance films, the two end faces of the semiconductor optical amplifier are plated with the high-reflectance films, and the semiconductor optical amplifier works in a Fabry-Perot mode. Any input optical signals can be integrated, and the active optical time integrator has the advantages that the integral time window of the active optical time integrator can achieve tuning by adjusting injection currents, and an integral bandwidth can be improved by increasing the net module gain coefficient of the semiconductor optical amplifier.

Description

technical field [0001] The invention relates to an active optical time integrator based on a semiconductor optical amplifier, which is suitable for the fields of optical signal processing, ultrafast photonics and the like. Background technique [0002] The rapid development of information technology and communication network systems puts forward more and more stringent requirements for optoelectronic devices, and optoelectronic devices with high speed, high bandwidth and low power consumption are more and more popular. However, due to the speed limitation of traditional electronic devices, they cannot provide fast information processing speed, and their operating bandwidth is also greatly limited. All-optical devices inherently have the advantages of high signal processing speed, low power consumption, and large operating bandwidth. [0003] The optical time integrator is a basic device capable of all-optical signal processing and calculation. It is similar to the integrato...

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Problems solved by technology

In the current theoretical and experimental reports on optical time integrators, most optical passive devices are used to make optical time integrators, such as passive optical integrators based on fiber Bragg gratings (FBG) and microring resonators, However, the integration time window and operating bandwidth of the integrator composed of these optical passive devices are limited and cannot be tuned, and in practical applications, it is always expected that the larger the integration time window and operating bandwidth, the better

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