System and method of phase-locked fiber interferometry
| Patent Number: | 11644301 |
| Issued: | 5/9/2023 |
| Official Filing: | View the Complete Patent |
| Abstract: | A system and method are provided for optical homodyne detection in an optical fiber interferometer. A detection signal is obtained by interfering an optical data signal with a phase-modulated optical reference signal. The modulator for the optical reference signal is phase-locked to an oscillatory modulation waveform. In embodiments, the modulator includes a piezoelectric element. In more specific embodiments, the modulator is a piezoelectric optical fiber-stretcher. |
| Filed: | 12/2/2021 |
| Government Interests: | STATEMENT OF GOVERNMENT INTEREST This invention was made with Government support under Contract No. DE-NA0003525 awarded by the United States Department of Energy/National Nuclear Security Administration. The Government has certain rights in the invention. |