Researching | Study on kHz Balanced Homodyne Detector

Laser & Optoelectronics Progress, Volume. 58, Issue 9, 0927003(2021)

Study on kHz Balanced Homodyne Detector

Xiaoli Jin^1,2、*

Author Affiliations

¹State Key Laboratory of Quantum Optics and Quantum Optics Devices, Institute of Opto-Electronics, Shanxi University, Taiyua, Shanxi 030006, China

²Collaborative Innovation Center of Extreme Optics, Shanxi University, Taiyuan , Shanxi 030006, China

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Figures&Tables (8)

References (19)

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Figures & Tables(8)

Fig. 1. Balanced homodyne detection circuit based on self-subtraction

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Fig. 2. Balanced homodyne detection circuit with RC filter circuit

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Fig. 3. Circuit design with large induction instead of fixed resistance

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Fig. 4. Circuit of kHz balanced homodyne detector

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Fig. 5. Experimental setup for performance test

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Fig. 6. Laser intensity noise in range of 1‒330 kHz

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Fig. 7. Quantum noise curves under different power lasers

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Table 1. Measured DC output voltage
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Table 1. Measured DC output voltage
Optical power /mW V₁ /mV V₂ /mV V₃ /mV
0.225 300 -297 3
0.45 600 -595 5
0.9 1210 -1207 3
1.8 2440 -2445 -5
3.6 4860 -4867 -7
7.2 9608 -9621 -13

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Xiaoli Jin. Study on kHz Balanced Homodyne Detector[J]. Laser & Optoelectronics Progress, 2021, 58(9): 0927003

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Paper Information

Category: Quantum Optics

Received: Jul. 28, 2020

Accepted: Oct. 10, 2020

Published Online: May. 12, 2021

The Author Email: Jin Xiaoli (jinxiaoli@sxu.edu.cn)

DOI:10.3788/LOP202158.0927003

Topics

laser devices and laser physics

Lasers and Laser Optics

laser manufacturing

Instrumentation, Measurement and Metrology