Zero-phonon selective spectroscopy: where do we stand now?

Doppler spectroscopy of zero-phonon lines

Frequency-selective time-resolved phonon spectroscopy using fluorescence line narrowing

Zero-phonon lines and spectral hole burning in spectroscopy and photochemistry

Zero-phonon line as the foundation stone of high-resolution matrix spectroscopy, persistent spectral hole burning, single impurity molecule spectroscopy

Femtosecond photon echo in solids: selective spectroscopy not using zero-phonon lines

Purely electronic zero-phonon line as the foundation stone for high resolution matrix spectroscopy, single impurity molecule spectroscopy, persistent spectral hole burning