Laser frequency modulation noise measurement by recirculating delayed self-heterodyne method |
| |
| Authors: | Tsuchida Hidemi |
| |
| Institution: | Photonics Research Institute, National Institute of Advanced Industrial Science and Technology, Umezono, Tsukuba, Japan. h-tsuchida@aist.go.jp |
| |
| Abstract: | I propose and demonstrate the use of the recirculating delayed self-heterodyne (DSH) method for measuring FM noise power spectral densities (PSDs), which are the most fundamental measure characterizing the spectral purity of laser sources. By analyzing the DSH beat signals with 1, 10, and 160?km delays, the FM noise PSD of a narrow-linewidth fiber laser is evaluated for Fourier frequency range between 10?Hz and 100?kHz, which exhibits flicker noise as the dominant contribution. |
| |
| Keywords: | |
| 本文献已被 PubMed 等数据库收录！ |
|
