A novel method to produce swept laser source using wavelengths parallel swept optical loop

Quan Yuan; Zhaoying Wang; Shiyuan Liu; Sha Luo; Rui Ma; Tianxin Yang

doi:10.1117/12.2208021

25 February 2016 A novel method to produce swept laser source using wavelengths parallel swept optical loop

Quan Yuan, Zhaoying Wang, Shiyuan Liu, Sha Luo, Rui Ma, Tianxin Yang

Proceedings Volume 9747, Terahertz, RF, Millimeter, and Submillimeter-Wave Technology and Applications IX; 97470Y (2016) https://doi.org/10.1117/12.2208021
Event: SPIE OPTO, 2016, San Francisco, California, United States

Abstract

In this paper, wavelengths parallel swept technique is proposed by using an optical swept loop outside the laser cavity. A frequency shifter controlled by RF signal in the loop shifts the frequencies of the incident optical signals simultaneously with a constant value in every circulation. Experimentally, the outputs of two distributed feed back (DFB) lasers were parallel swept by using the optical swept loop. The swept step is tunable from 300MHz(24pm) to 15GHz(0.12nm) depending on the electro-optical bandwidth of the frequency shifter used in our experiments. Dual-wavelength swept output at 214 kHz swept rate with 0.08nm swept step and 122 kHz swept rate with 0.04nm swept step were achieved respectively. The swept span of the swept source was 1.6nm with a flatness of ±1.5dB.

Citation Download Citation

Quan Yuan, Zhaoying Wang, Shiyuan Liu, Sha Luo, Rui Ma, and Tianxin Yang "A novel method to produce swept laser source using wavelengths parallel swept optical loop", Proc. SPIE 9747, Terahertz, RF, Millimeter, and Submillimeter-Wave Technology and Applications IX, 97470Y (25 February 2016); https://doi.org/10.1117/12.2208021

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