Generation of squeezed states of light in arbitrary complex amplitude transverse distribution

Long Ma; Hui Guo; Hengxin Sun; Kui Liu; Bida Su; Jiangrui Gao

doi:doi:10.1364/PRJ.388956

Photonics Research, 2020, 8 (9): 09001422, Published Online: Aug. 7, 2020

Generation of squeezed states of light in arbitrary complex amplitude transverse distribution Download： 805次

Long Ma ¹Hui Guo ¹Hengxin Sun ¹Kui Liu ¹Bida Su ²Jiangrui Gao ^1,*

Author Affiliations

¹ State Key Laboratory of Quantum Optics and Quantum Optics Devices, Institute of Opto-Electronics, Collaborative Innovation Center of Extreme Optics, Shanxi University, Taiyuan 030006, China

² Science and Technology on Optical Radiation Laboratory, Beijing Institute of Environmental Features, Beijing 100854, China

Figures & Tables

Fig. 1. Schematic of the experimental setup. The squeezed state in the HG00 mode of the OPA is first measured at PD1 with flip1. The BSS changes the spatial profile of the light, and the squeezing level is then measured at PD2. Flip2 is used to direct the generated modes for purity measurement. PD, photoelectric detector; HWP, half-wave plate; BS, beam splitter; MC, mode cleaner.

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Fig. 2. Holograms loaded onto SLM1 and SLM2 for generating HG10 and HG50 modes.

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Fig. 3. OPA squeezing. The measurement parameters of the spectrum analyzer are RBW, 300 kHz; VBW, 1 kHz; analysis frequency, 3 MHz.

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Fig. 4. Squeezed spatial modes. The measurement parameters of the spectrum analyzer are RBW, 300 kHz; VBW, 1 kHz; analysis frequency, 3 MHz.

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Fig. 5. Theoretical and experimental modes and interferograms.

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Fig. 6. Purity of the generated modes and the inferred squeezing in the perfect modes.

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Long Ma, Hui Guo, Hengxin Sun, Kui Liu, Bida Su, Jiangrui Gao. Generation of squeezed states of light in arbitrary complex amplitude transverse distribution[J]. Photonics Research, 2020, 8(9): 09001422.

Generation of squeezed states of light in arbitrary complex amplitude transverse distribution Download： 805次

Fig. 2. Holograms loaded onto SLM1 and SLM2 for generating HG10 and HG50 modes.

Fig. 3. OPA squeezing. The measurement parameters of the spectrum analyzer are RBW, 300 kHz; VBW, 1 kHz; analysis frequency, 3 MHz.

Fig. 4. Squeezed spatial modes. The measurement parameters of the spectrum analyzer are RBW, 300 kHz; VBW, 1 kHz; analysis frequency, 3 MHz.

Fig. 5. Theoretical and experimental modes and interferograms.

Fig. 6. Purity of the generated modes and the inferred squeezing in the perfect modes.

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Generation of squeezed states of light in arbitrary complex amplitude transverse distribution Download： 805次

Fig. 2. Holograms loaded onto SLM1 and SLM2 for generating HG10 and HG50 modes.

Fig. 3. OPA squeezing. The measurement parameters of the spectrum analyzer are RBW, 300 kHz; VBW, 1 kHz; analysis frequency, 3 MHz.

Fig. 4. Squeezed spatial modes. The measurement parameters of the spectrum analyzer are RBW, 300 kHz; VBW, 1 kHz; analysis frequency, 3 MHz.

Fig. 5. Theoretical and experimental modes and interferograms.

Fig. 6. Purity of the generated modes and the inferred squeezing in the perfect modes.

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