Flexible control of semiconductor laser with frequency tunable modulation transfer spectroscopy<xref rid="cpb_27_7_074201fn1" ref-type="fn">*</xref> <fn id="cpb_27_7_074201fn1"> <label>*</label> <p>Project supported by the National Key Scientific Instrument and Equipment Development Project, China (Grant No. 2014YQ35046103).</p> </fn>

Flexible control of semiconductor laser with frequency tunable modulation transfer spectroscopy* *

Project supported by the National Key Scientific Instrument and Equipment Development Project, China (Grant No. 2014YQ35046103).

Ru Ning^{1, 2, †}, Wang Yu², Ma Hui-Juan², Hu Dong², Zhang Li², Fan Shang-Chun¹

(color online) (color online) FTMTS signals with different frequency shifts. Purple curve represents reference spectrum, which marks the output frequency of the laser. Light blue curve denotes spectrum output from photodiode in FTMTS. Yellow curve refers to the error signal from FTMTS.