With the rapid development of quantum technology, single-photon sources, as the core foundation of quantum computing, quantum communication, and quantum sensing, have always been the focus of scientific research in terms of their preparation and performance optimization. Hexagonal Boron Nitride(HBN), with its unique advantages such as no surface suspension bonds and the ability to achieve bright single-photon emission at room temperature, has become an ideal substrate for preparing solid-state single-photon sources.

    To achieve high-precision preparation, stable screening and performance regulation of single-photon sources in HBN, it is always impossible to avoid the core demand of precise control at the microscopic scale. CoreMorrow piezo nano-positioning stage is the key equipment in this research process, providing stable and high-precision positioning and scanning support for the experiment.

    The core of HBN single photon sources is the atomic-level defects of the material, which are usually at the nanometer scale. To conduct effective research on them, the primary prerequisite is to precisely locate and lock onto the target defects.

     In the research of HBN single photon sources, from sample characterization to performance testing, every step has put forward strict requirements for accuracy and control stability: whether observing the luminescence distribution of defects in hexagonal boron nitride or testing the spectrum of single photon sources point by point, it is necessary to precisely focus the laser to the defect area at the nanoscale.

     In addition, during the test, it is necessary to achieve continuous tracking of individual light-emitting points to ensure the accuracy of photon signal collection. Even for the subsequent screening of stable single-photon sources, it is necessary to conduct comparative characterization of the same area for samples with inconsistent states before and after to avoid affecting the experimental results due to positioning deviations.

     These demands are precisely the core advantages of the CoreMorrow piezo nano-positioning stage: With nanometer-level motion accuracy and excellent stability, it can provide a control solution with micron-level travel and nanometer-level accuracy for the research of hexagonal boron nitride single photon sources.

Hexagonal Boron Nitride molecular structure

   In the experimental process of preparing single-photon sources and studying the luminescence stability of hexagonal boron nitride, the Xintian piezoelectric nano-positioning stage was deeply involved in the core links of sample characterization and performance testing, ensuring the reliability of experimental data through precise control.

    During the preparation of HBN single photon sources, researchers need to observe the luminescence of defects through fluorescence scanning confocal microscopy. During this process, CoreMorrow piezo nano-positioning stage plays the role of precisely moving the samples:

   By relying on the high-precision scanning of the piezo nano-positioning stage, researchers can quickly identify which areas of hexagonal boron nitride defects have potential single-photon emission characteristics, narrowing the range and enabling precise and rapid positioning for subsequent experiments.

(Note: Image from online resources)

2. Single-Point Positioning Test

  When the evolution pattern of the target structure is caused by dose differences, researchers need to conduct refined tests on individual targets, such as measuring and verifying their characteristics, etc. In this process, the precise positioning capability of the CoreMorrow piezo nano-positioning stage is of vital importance:

   In combination with the program, it can also be linked with the counting module required for the experiment, enabling the automatic completion of individual tests for multiple targets and significantly enhancing the efficiency of the experiment.

    The requirements for equipment in quantum research are far higher than those in conventional experiments. The reason why the CoreMorrow piezo nano-positioning stage can become a powerful assistant in experiments lies in its core characteristics that meet the demands:

CoreMorrow P12.XY100S Compact Piezo Nano-Positioning Stage

      P12.XY100S small-volume piezo nano-positioning stage is a piezo-driven, 2D parallel translation positioning stage. The diameter of the aperture at the center of the stage body can be selected as 25mm or 35mm, meeting the requirements of microscopic and other applications. P12.XY100S stage can achieve a displacement stroke of 100μm along the XY axes. Integrated structure, multi-dimensional movement without coupling, and multiple specifications and models available to meet the needs of different applications.

E70.D2S-L multi-channel piezo controller is a two-channel piezo controller based on the standard E70 with communication interface transformation. It can perform digital communication through serial port, USB or network port, which is very suitable for driving the P12.XY100S piezo nano-positioning stage. E70.D2S-L controller is powered by DC24V, with a bandwidth of up to 10kHz. It can be controlled via analog or digital signals, and open/closed loop options are available.