Efficient laser noise reduction by locking to an actively stabilized fiber interferometer with 10 km arm imbalance
| Autor: | Li, Dawei, Qian, Cheng, Li, Shanglin, Li, Zhengbin, Zhao, Jianye |
|---|---|
| Rok vydání: | 2016 |
| Předmět: | |
| Druh dokumentu: | Working Paper |
| Popis: | We report a laser noise reduction method by locking it to an actively stabilized fiber-based Mach Zehnder interferometer with 10 km optical fiber to achieve large arm imbalance. An acousto optic modulator is used for interferometer stabilization and heterodyne detection. The out-of-loop frequency noise is reduced by more than 90 dB for Fourier frequency at 1 Hz. This structure presents an efficient laser noise reduction method both at high Fourier frequency and low Fourier frequency. The signal of stabilized laser is transferred via a 10 km fiber link with a fractional frequency stability of 1.12 times 10-16 at 1 s. Compared with the fractional frequency stability of that when the interferometer is not stabilized, more than one order of magnitude is improved. Comment: arXiv admin note: text overlap with arXiv:0901.4856 by other authors |
| Databáze: | arXiv |
| Externí odkaz: |
|