@article{article, title  = {{Spectroscopic study of transparency current in mid-infrared quantum cascade lasers}},

 url = {{}},

 year = {{2012}},

 month = {{8}},

 author = {{Revin DG and Hassan RS and Krysa AB and Wang Y and Belyanin A and Kennedy K and Atkins CN and Cockburn JW}},

 doi = {{10.1364/OE.20.018925}},

 volume = {{20}},

 journal = {{Optics Express}},

 issue = {{17}},

 pages = {{18925-18930}},

 note = {{Accessed on 2025/01/13}}}