Frequency upconversion detection of rotational Doppler effect

Haoxu Guo; Xiaodong Qiu; Song Qiu; Ling Hong; Fei Lin; Yuan Ren; Lixiang Chen

doi:10.1364/PRJ.441785

Journals >Photonics Research >Volume 10 >Issue 1 >Page 183 > Article

Photonics Research
Vol. 10, Issue 1, 183 (2022)

Frequency upconversion detection of rotational Doppler effect

Haoxu Guo¹, Xiaodong Qiu^1、3、*, Song Qiu², Ling Hong¹, Fei Lin¹, Yuan Ren^2、4、*, and Lixiang Chen^1、5、*

Author Affiliations

¹Department of Physics and Collaborative Innovation Center for Optoelectronic Semiconductors and Efficient Devices, Xiamen University, Xiamen 361005, China

²Department of Aerospace Science and Technology, Space Engineering University, Beijing 101416, China

³e-mail: qxd@xmu.edu.cn

⁴e-mail: renyuan_823@aliyun.com

⁵e-mail: chenlx@xmu.edu.cn

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DOI: 10.1364/PRJ.441785 Cite this Article Set citation alerts

Haoxu Guo, Xiaodong Qiu, Song Qiu, Ling Hong, Fei Lin, Yuan Ren, Lixiang Chen. Frequency upconversion detection of rotational Doppler effect[J]. Photonics Research, 2022, 10(1): 183 Copy Citation Text

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Fig. 1. OAM mode spectra (p=0) for three objects of different rotational symmetries: (a) three-leaf clover, (b) hexagonal snowflake, and (c) cartoon pattern.

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Experimental setup for upconversion detection of rotational Doppler effect. Insets are the typical holograms displayed in Regions I and II of SLM, respectively.

Fig. 2. Experimental setup for upconversion detection of rotational Doppler effect. Insets are the typical holograms displayed in Regions I and II of SLM, respectively.

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Fig. 3. Experimental results for a rotating clover. (a) and (b) OAM-dependent photon counts (N) of SHG light, where Ω=1 deg/s and 2 deg/s, respectively. (c) and (d) The corresponding power spectra of rotational Doppler signals after FFT, in which the beat frequencies are marked as well.

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Fig. 4. Experimental results for a rotating snowflake and a cartoon pattern, respectively. (a) and (b) OAM-dependent photon counts (N) of SHG light, where Ω=4 deg/s for both cases. (c) and (d) The corresponding power spectra of rotational Doppler signals, in which the beat frequencies are marked as well.

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Haoxu Guo, Xiaodong Qiu, Song Qiu, Ling Hong, Fei Lin, Yuan Ren, Lixiang Chen. Frequency upconversion detection of rotational Doppler effect[J]. Photonics Research, 2022, 10(1): 183

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