Wang P, Seah L K, Murukeshan V M, Chao Z X, Yin X J
School of Mechanical and Aerospace Engineering, Nanyang Technological University, Singapore.
Appl Opt. 2007 Aug 10;46(23):5866-9. doi: 10.1364/ao.46.005866.
A novel C-band external-cavity wavelength-tunable laser is proposed. The laser consists of a semiconductor gain chip, a collimating lens, a fixed etalon, a liquid-crystal deflector and a diffraction grating in a Littrow configuration. The lasing wavelength of this tunable external-cavity laser can be tuned to 19 wavelength channels of 100 GHz spacing. All channels are within 2.5 GHz of the ITU grids with a side-mode suppression ratio of approximately 35 dB over the whole range.
提出了一种新型C波段外腔波长可调谐激光器。该激光器由一个半导体增益芯片、一个准直透镜、一个固定标准具、一个液晶偏转器和一个处于利特罗配置的衍射光栅组成。这种可调谐外腔激光器的激射波长可被调谐到19个间距为100 GHz的波长通道。所有通道都在ITU网格的2.5 GHz范围内，在整个范围内边模抑制比约为35 dB。
