1. École Polytechnique Montreal, Department of Engineering Physics, C.P. 6079 Succ. Centre-ville, Montréal, Canada
2. Stanford University, E.L. Ginzton Laboratory, 350 Serra Mall, Packa Road, Room 361, Stanford, California 94305, United States
3. École Polytechnique Montreal, Department of Engineering Physics, C.P. 6079 Succ. Centre-ville, Montréal, CanadacCastor Optics, 5155 Avenue Decelles 1251, Pavillon J-Armand Bombardier, Montréal, Québec H3T 2B1, Canada