Fiber array coupling output device, system and method for single photon source device

Abstract

The invention discloses a fiber array coupling output device, system and method for a single photon source device, and the device comprises a single photon source device sample piece provided with a plurality of single photon source units, wherein the single photon source units can emit single photons; and an optical fiber array which comprises a plurality of optical fibers and is coupled to the upper surface of the single photon source device sample piece, wherein one or many optical fibers in the optical fiber array are coupled to the single photon source units. The device is simple, convenient and reliable.

Description

technical field [0001] The invention relates to the field of semiconductor light sources, in particular to a single photon source device fiber array coupling output device, coupling system and method. Background technique [0002] An important prerequisite for the application of a single photon source is the coupling output with an optical fiber. The vertical coupling output structure has been widely used due to its advantages of being arrayable, convenient for industrial production, and relatively simple to operate. Traditional fiber coupling technologies include etching V-shaped grooves on the material and coupling with optical fibers, coupling between fiber tapers and optical waveguides, and open external cavity technology. However, these technologies have complex processes, difficult alignment, and limited scope of application. different limitations. Especially for the coupled output of quantum dot single photon source devices and optical fibers, since the size of the s...

AI Technical Summary

Problems solved by technology

Traditional fiber coupling technologies include etching V-shaped grooves on the material and coupling with optical fibers, coupling between fiber tapers and optical waveguides, and open external cavity technology. However, these technologies have complex processes, difficult alignment, and limited scope of application. different limitations

Especially for the coupling output of quantum dot single photon source devices and optical fibers, since the size of the self-organized quantum dots of the single photon source is on the order of nanometers, and the size of the device is on the order of micrometers, in order to isolate the single photon output of a single single photon source unit from the single The alignment accuracy of the photon source device and the optical fiber puts forward higher requirements, and the traditional coupling method is difficult to play a role

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