1. “On the possibility of converting phase and frequency modulation of light into amplitude modulation,”;Kravtsov;Optics and Spectrosc.,1964
2. “An optical modulator using Michelson's interferometer,”;Kravtsov;Radio Engrg. Electronic Phys.,1966
3. “An interferometric optical modulator,”;Fried;Appl. Optics,1964
4. “224 Mc/s optical pulse code modulator,”;Denton;Proc. IEEE (Letters),1966
5. “Gigacycle bandwidth coherent-light traveling-wave amplitude modulator,”;Peters;Proc. IEEE,1965