Interactive

Tools

Interactive calculators for common photonics math. All tools run in the browser without server-side computation.

T₀ Extraction Calculator

Fit the characteristic temperature T₀ and pre-exponential I₀ from threshold current vs. temperature data.

Estimate Gaussian beam to single-mode fiber coupling efficiency from beam waist, fiber MFD, and alignment offsets.

Convert between grating period and Bragg wavelength for DFB/DBR lasers and integrated photonic Bragg gratings.

Compute wall-plug efficiency from LIV data point-by-point and identify the peak operating current.

Convert intrinsic Q to waveguide propagation loss for ring resonators, with platform presets for SOI, SiN, InP, and LNOI.