Shot Noise Calculator Enter average current and bandwidth. The Shot Noise Calculator instantly computes RMS shot noise current, relative noise, and NEP for detectors. Average Current I (A) Bandwidth Δf (Hz) Calculate Shot Noise About the Shot Noise Calculator The Shot Noise Calculator is a precise, scientifically accurate tool that computes the fundamental […]
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Quantum Noise Calculator Enter optical power or photon rate. The Quantum Noise Calculator instantly computes shot noise, standard quantum limit (SQL), and squeezing improvement. Optical Power P (W) Wavelength λ (nm) Squeezing Level (dB below SQL) Measurement Bandwidth Δf (Hz) Calculate Quantum Noise About the Quantum Noise Calculator The Quantum Noise Calculator is
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Thermal State Calculator Enter the mean photon number. The Thermal State Calculator instantly computes variance, Mandel Q, g²(0), and all photon statistics for blackbody/thermal light. Mean Photon Number ⟨n⟩ Calculate Thermal State About the Thermal State Calculator The Thermal State Calculator is a precise, scientifically accurate tool that computes photon statistics for thermal
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Fock State Calculator Enter the photon number n. The Fock State Calculator instantly computes photon statistics, Mandel Q, g²(0), uncertainty, and all properties of perfect number states |n⟩. Photon Number n Calculate Fock State About the Fock State Calculator The Fock State Calculator is a precise, scientifically accurate tool that computes all properties
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Squeezed State Calculator Enter the squeezing parameter ξ. The Squeezed State Calculator instantly computes quadrature variances, uncertainty reduction, and squeezing in dB. Squeezing Parameter r (real) Phase φ (radians) Displacement α (optional, real part) α (imaginary part) Calculate Squeezed State About the Squeezed State Calculator The Squeezed State Calculator is a precise, scientifically
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Coherent State Calculator Enter the complex amplitude α. The Coherent State Calculator instantly computes mean photon number, uncertainty, Mandel Q, and all key properties of Glauber coherent states. Amplitude α (Real part) α (Imaginary part) Calculate Coherent State About the Coherent State Calculator The Coherent State Calculator is a precise, scientifically accurate tool
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Photon Statistics Calculator Select light source type and mean photon number. The Photon Statistics Calculator instantly computes Mandel Q parameter, second-order coherence g²(0), variance, and photon number distribution type. Light Source Type Coherent (Laser)Thermal (Chaotic)Fock (Number State)Custom (enter Q or g²) Mean Photon Number ⟨n⟩ Calculate Photon Statistics About the Photon Statistics Calculator
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Cavity QED Calculator Enter atom-cavity coupling, decay rates, and cavity parameters. The Cavity QED Calculator instantly computes vacuum Rabi frequency, cooperativity, critical parameters, and strong coupling condition. Coupling Strength g (MHz) Atomic Decay Rate γ (MHz) Cavity Decay Rate κ (MHz) Calculate Cavity QED About the Cavity QED Calculator The Cavity QED Calculator
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Purcell Factor Calculator Enter cavity Q-factor and mode volume. The Purcell Factor Calculator instantly computes the spontaneous emission enhancement F_p. Cavity Q-factor Mode Volume V_eff (in (λ/n)³ units) Wavelength λ (nm) Refractive Index n Calculate Purcell Factor About the Purcell Factor Calculator The Purcell Factor Calculator is a precise, scientifically accurate tool that
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Mode Volume Calculator Enter cavity wavelength and dimensions. The Mode Volume Calculator computes effective mode volume V_eff for common cavity types (Fabry-Pérot, photonic crystal, microdisk). Cavity Type Fabry-Pérot (1D)Photonic Crystal (2D/3D defect)Microdisk/Whispering GalleryCustom (enter V_eff directly) Wavelength λ in vacuum (nm) Cavity Length L (μm) – FP Beam Waist w₀ (μm) – FP
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