@article{article, title  = {{Quantum cascade ring lasers: Unidirectional operation and coupled ring tuning}},

 url = {{}},

 year = {{2011}},

 month = {{9}},

 author = {{Nshii CC and Ironside CN and Sorel M and Slight TJ and Zhang SY and Revin DG and Cockburn JW}},

 doi = {{10.1109/CLEOE.2011.5942564}},

 journal = {{2011 Conference on Lasers and Electro Optics Europe and 12th European Quantum Electronics Conference CLEO Europe Eqec 2011}},

 note = {{Accessed on 2025/12/07}}}