Double Demodulation for Quantum State Characterization in Continuous Variables

• Grant number: 24/08486-4
• Support Opportunities: Scholarships in Brazil - Scientific Initiation
• Start date: July 01, 2024
• End date: May 31, 2025
• Field of knowledge: Physical Sciences and Mathematics - Physics - General Physics
• Principal Investigator: Felippe Alexandre Silva Barbosa
• Grantee: Synésio Pereira da Cunha Neto
• Host Institution: Instituto de Física Gleb Wataghin (IFGW). Universidade Estadual de Campinas (UNICAMP). Campinas , SP, Brazil
• Associated research grant: 18/03474-7 - Nonclassical states of light on chip, AP.JP

Abstract

The detection of electronic signals in the frequency domain is widely used to infer the quantum noise of the light present in the light. This characterization is done by a series of optical and electronic processes like balanced detection. In this project, we will address one of these steps: demodulation, which converts the high-frequency electronic signal to low frequencies before they are acquired in analog-to-digital converters (ADCs).