Challenges
Datasets
Workspaces
Papers
Discussions
Leaderboard
Log inSign up
Challenges
Datasets
Workspaces
Papers
Discussions
Leaderboard
Blog
Job Board
Q3AS

© 2026 Aqora Quantum S.A.S.

TermsPrivacyLegal Notice

Applied Mechanics and Materials

Design of Quantum Communication Broadband Amplifier Based on Photoelectric Diode

Yi Zhen Nie

Published Jul 1, 2014• 0 citations
Publisher

Abstract

according to the special requirements of quantum optics experiments, through the optimum design of broadband low noise amplifier circuit, this paper developed a broadband low noise photoelectric detector. We focus on the analysis of the factors affecting the photoelectric detector gain, bandwidth and noise, by a suitable choice of the photodiode, a sampling resistor, feedback resistor and capacitor, the broadband low noise photoelectric detector. Experiments show that, this circuit can be used for broadband low noise quantum communication circuit.

DOI
10.4028/www.scientific.net/amm.539.169

Related papers

Low-noise,Broadband Photo-detector Designs in Quantum Optics

Kuanshou Zhang

We report a kind of low-noise,broadband photo-detector that can be applied in the quantum optics experiments.Based on the proper photo-diode,sampling resistor,feedback resistor and capacity were selected,a low-noise,broadband photo-detector was designed and fabricated.The photo-detector can be used to detect the quantum noise with the band-width of 2-50 MHz and the incident power of up to 15 mW.It can also be applied in the quantum optics experiments such as balance detectors,homodyne detectors and so on.A pair of identical photo-detectors with the band-width of 2-31 MHz and Common Mode Rejection Ratio of 30 dB was used as balance detectors to measure the intensity noise of white light,cw single frequency 1064 nm laser and 1550 nm laser.

Acta Sinica Quantum Optica•Jan 1, 2010•2 citations

Design of low-noise photodetector with a bandwidth of 130 MHz based on transimpedance amplification circuit

Jiliang Qin, Zhihui Yan, Meiru Huo +2 more

A low-noise photodetector is a basic tool for the research of quantum information processing.We present a specially designed low-noise photoelectric detector with a bandwidth of 130 MHz, using a transimpedance amplification circuit.Based on the detailed calculation of the dependence on each parameter of the detector, a useful method of how to design a low-noise and broadband photodetector is provided.When the optical power is between 1.0 and 16 mW, the photodetector has a good linear response to the injected light.Its electronics noise power is below -77 dBm, which is within the whole bandwidth.When the incident light power is 2 mW, the output noise powers are 10.0, 8.0, and 6.0 dB higher than the corresponding electronics noise within the bandwidth of 1-50, 50-90, and 90-130 MHz, respectively, which is in good agreement with the theoretical prediction.Thus, this photoelectric detector could have good application prospects in quantum communication and an optical cavity locking system.

Chinese Optics Letters•Jan 1, 2016•11 citations

Research and Design of Photoelectric Converter for Quantum Gravimeter

Mingda Zhu, Xiaoxin Liu, Yaping Wang +3 more

In the control system of a quantum gravimeter, the optical signal containing phase information is weak and usually at the nV level. This situation puts forward high requirements for the measurement performance of the system. As the coupling input component of the measurement system, the noise level of the preamplifier has a dramatic influence on the noise performance. In this paper, the input current signal is provided by the photodiode. According to the photodiode output characteristics, we design three preamplifiers with different gain and bandwidth, which is verified by the optical system. Under the condition of meeting the design requirements, the noise performance is compared with the common commercial detector Model 2307. The results show that the noise performance of the photoelectric converter designed in this paper is about 1.5 times that of model 2307.

Journal of Physics Conference Series•Dec 1, 2022•1 citation

Improvement of high-gain shot-noise detector

Zhou Hai-ju

Based on the special demands of quantum optical experiments for low noise detectors,a high gain and shot noise detector was designed by combing an AC current coupled trans-impedance pre-amplify circuit and an ETX500photodiode.Compared with existing detectors,the designed detector shows better characteristics in gain,bandwidth and AC DC saturation.The output characteristics of the detector were measured by using a 1 064nm single frequency laser as a source and a frequency spectrum analyzer as the measuring instrument.Measuring results show that the power noise spectrum of the detector is 10dB higher than that of electronic noise spectrum when the injecting power for the detector is more than 850μW at 2MHz.Furthermore,the bandwidth of the shot noise detector reaches 5MH when the input infrared laser power is above 1.62mW.The remarkable linearities for the DC and AC currents are available when the input infrared laser power is increased to 36mW.Considering its higher gain and better DC AC saturation characteristics,the detector is advantageous to quantum optic experiments.

Optics and Precision Engineering•Jan 1, 2013•0 citations

Balanced homodyne detection circuit design analysis for high gain and low noise performance

Akanksha Angural, Joyee Ghosh

The study, generation, and application of squeezed states of light has been a widely researched area in quantum optics. Vacuum fluctuations or photon shot noise quantified in terms of quadrature operators, impose a quantum limit on the sensitivity of quantum sensing and quantum communication systems. Thus, squeezing the quadratures reduces the quantum uncertainty in a particular quadrature. The amount of squeezing is, however, highly limited by the optics in the experiments and the performance of the balanced homodyne detection (BHD) systems employed for the detection of the squeezed states of light. In this paper, we have analytically studied the steady state, transient and noise responses of the balanced homodyne detection (BHD) circuitry by comparing two configurations i.e., a variable gain circuit with a differential amplifier and a current subtracting circuit with differential fine-tuning circuit (DFTC) and an adjustable bias (ABV). The current subtracting circuit design with DFTC and ABV has been adopted from Xiaoli et al. [1] in order to compensate for any differences in the photodiode performance characteristics in the two arms. A variable gain configuration is used to compensate for the unequal beam splitter ratio and uneven optical powers in the two arms. In order to further improve the noise performance of the system, a differential amplifier is used in the output of the variable gain configuration. A high transimpedance gain (~>70 dB) and a low noise (~<500nV/ √ Hz) performance can be achieved using these circuits as per our analysis.

IEEE International Conference on Emerging Electronics (ICEE)•Dec 11, 2022•0 citations

Design of ultra-low noise amplifier for quantum applications (QLNA)

Ahmad Salmanogli, Vahid Sharif Sirat

Abstract The present article primarily focuses on the design of an ultra-low-noise amplifier specifically tailored for quantum applications. The circuit design places a significant emphasis on improving the noise figure, as quantum-associated applications require the circuit's noise temperature to be around 0.4 K. This requirement aims to achieve performance comparable to the Josephson Junction amplifier. Although this task presents considerable challenges, the work concentrates on engineering the circuit to minimize mismatch and reflection coefficients, while simultaneously enhancing circuit transconductance. These efforts aim to improve the noise figure as efficiently as possible. The results of this study indicate the possibility of achieving a noise figure of approximately 0.009 dB for a unique circuit design operating at 10 K. In a departure from traditional approaches, this study employs quantum mechanical theory to analyze the circuit comprehensively. By employing quantum theory, the researchers derive relationships that highlight the crucial quantities upon which the circuit design should focus to optimize the noise figure. For example, the circuit's gain power, which depends on the circuit's photonic modes, is theoretically derived and found to affect the noise figure directly. Ultimately, by merging quantum theory with engineering approaches, this study successfully designs a highly efficient circuit that significantly minimizes the noise figure in a quantum application setting.

arXiv:2111.15358•Quantum Information Processing•Mar 4, 2024•9 citations
according to the special requirements of quantum optics experiments, through the optimum design of broadband low noise amplifier circuit, this paper developed a broadband low noise photoelectric detector. We focus on the analysis of the factors affecting the photoelectric detector gain, bandwidth and noise, by a suitable choice of the photodiode, a sampling resistor, feedback resistor and capacitor, the broadband low noise photoelectric detector. Experiments show that, this circuit can be used for broadband low noise quantum communication circuit.
We report a kind of low-noise,broadband photo-detector that can be applied in the quantum optics experiments.Based on the proper photo-diode,sampling resistor,feedback resistor and capacity were selected,a low-noise,broadband photo-detector was designed and fabricated.The photo-detector can be used to detect the quantum noise with the band-width of 2-50 MHz and the incident power of up to 15 mW.It can also be applied in the quantum optics experiments such as balance detectors,homodyne detectors and so on.A pair of identical photo-detectors with the band-width of 2-31 MHz and Common Mode Rejection Ratio of 30 dB was used as balance detectors to measure the intensity noise of white light,cw single frequency 1064 nm laser and 1550 nm laser.
A low-noise photodetector is a basic tool for the research of quantum information processing.We present a specially designed low-noise photoelectric detector with a bandwidth of 130 MHz, using a transimpedance amplification circuit.Based on the detailed calculation of the dependence on each parameter of the detector, a useful method of how to design a low-noise and broadband photodetector is provided.When the optical power is between 1.0 and 16 mW, the photodetector has a good linear response to the injected light.Its electronics noise power is below -77 dBm, which is within the whole bandwidth.When the incident light power is 2 mW, the output noise powers are 10.0, 8.0, and 6.0 dB higher than the corresponding electronics noise within the bandwidth of 1-50, 50-90, and 90-130 MHz, respectively, which is in good agreement with the theoretical prediction.Thus, this photoelectric detector could have good application prospects in quantum communication and an optical cavity locking system.
In the control system of a quantum gravimeter, the optical signal containing phase information is weak and usually at the nV level. This situation puts forward high requirements for the measurement performance of the system. As the coupling input component of the measurement system, the noise level of the preamplifier has a dramatic influence on the noise performance. In this paper, the input current signal is provided by the photodiode. According to the photodiode output characteristics, we design three preamplifiers with different gain and bandwidth, which is verified by the optical system. Under the condition of meeting the design requirements, the noise performance is compared with the common commercial detector Model 2307. The results show that the noise performance of the photoelectric converter designed in this paper is about 1.5 times that of model 2307.
Based on the special demands of quantum optical experiments for low noise detectors,a high gain and shot noise detector was designed by combing an AC current coupled trans-impedance pre-amplify circuit and an ETX500photodiode.Compared with existing detectors,the designed detector shows better characteristics in gain,bandwidth and AC DC saturation.The output characteristics of the detector were measured by using a 1 064nm single frequency laser as a source and a frequency spectrum analyzer as the measuring instrument.Measuring results show that the power noise spectrum of the detector is 10dB higher than that of electronic noise spectrum when the injecting power for the detector is more than 850μW at 2MHz.Furthermore,the bandwidth of the shot noise detector reaches 5MH when the input infrared laser power is above 1.62mW.The remarkable linearities for the DC and AC currents are available when the input infrared laser power is increased to 36mW.Considering its higher gain and better DC AC saturation characteristics,the detector is advantageous to quantum optic experiments.
The study, generation, and application of squeezed states of light has been a widely researched area in quantum optics. Vacuum fluctuations or photon shot noise quantified in terms of quadrature operators, impose a quantum limit on the sensitivity of quantum sensing and quantum communication systems. Thus, squeezing the quadratures reduces the quantum uncertainty in a particular quadrature. The amount of squeezing is, however, highly limited by the optics in the experiments and the performance of the balanced homodyne detection (BHD) systems employed for the detection of the squeezed states of light. In this paper, we have analytically studied the steady state, transient and noise responses of the balanced homodyne detection (BHD) circuitry by comparing two configurations i.e., a variable gain circuit with a differential amplifier and a current subtracting circuit with differential fine-tuning circuit (DFTC) and an adjustable bias (ABV). The current subtracting circuit design with DFTC and ABV has been adopted from Xiaoli et al. [1] in order to compensate for any differences in the photodiode performance characteristics in the two arms. A variable gain configuration is used to compensate for the unequal beam splitter ratio and uneven optical powers in the two arms. In order to further improve the noise performance of the system, a differential amplifier is used in the output of the variable gain configuration. A high transimpedance gain (~>70 dB) and a low noise (~<500nV/ √ Hz) performance can be achieved using these circuits as per our analysis.
Abstract The present article primarily focuses on the design of an ultra-low-noise amplifier specifically tailored for quantum applications. The circuit design places a significant emphasis on improving the noise figure, as quantum-associated applications require the circuit's noise temperature to be around 0.4 K. This requirement aims to achieve performance comparable to the Josephson Junction amplifier. Although this task presents considerable challenges, the work concentrates on engineering the circuit to minimize mismatch and reflection coefficients, while simultaneously enhancing circuit transconductance. These efforts aim to improve the noise figure as efficiently as possible. The results of this study indicate the possibility of achieving a noise figure of approximately 0.009 dB for a unique circuit design operating at 10 K. In a departure from traditional approaches, this study employs quantum mechanical theory to analyze the circuit comprehensively. By employing quantum theory, the researchers derive relationships that highlight the crucial quantities upon which the circuit design should focus to optimize the noise figure. For example, the circuit's gain power, which depends on the circuit's photonic modes, is theoretically derived and found to affect the noise figure directly. Ultimately, by merging quantum theory with engineering approaches, this study successfully designs a highly efficient circuit that significantly minimizes the noise figure in a quantum application setting.