On-chip squeezed light generation via χ⁽²⁾ OPA and χ⁽³⁾ Kerr nonlinearities
Silicon Nitride (SiN) microrings & Thin-Film Lithium Niobate (TFLN) waveguides
χ⁽³⁾ Four-Wave Mixing
χ⁽²⁾ Parametric Amplification
Explore squeezed light generation with our interactive simulators
Calculate squeezing levels with pump power, Q-factor, and efficiency parameters.
Launch ToolDesign SiN microring resonators with Q-factor and coupling optimization.
Launch ToolDesign TFLN OPA waveguides with gain and phase matching analysis.
Launch ToolAnalyze escape efficiency and system losses affecting detected squeezing.
Launch ToolVisualize Wigner functions and noise ellipses for Gaussian states.
Launch ToolFrequency-dependent squeezing spectrum and cavity response.
Launch ToolWhere ηesc = κext/κ is escape efficiency, G is parametric gain, κ is total cavity decay rate, and Ω is measurement frequency.
Detected variance includes system efficiency ηtot mixing squeezed light with vacuum noise from losses.
Four-Wave Mixing: 2ωp → ωs + ωi
Threshold: Pth ∝ V²/Q²n₂
Key: High Q-factor (>10⁶) required for sufficient gain
Parametric Down-Conversion: ωp → ωs + ωi
Gain: G = sinh²(gL) where g ∝ deff√P
Key: Phase matching critical for efficiency
LIGO-type interferometers use squeezed light to surpass quantum shot noise limits.
Squeezed states enable enhanced security and extended range in quantum key distribution.
Sub-shot-noise sensing for biological imaging, magnetometry, and spectroscopy.