Brown, William J.Gauthier, Daniel J.Pfister, OlivierStenner, Michael D.2004-12-142004-12-1420012001http://hdl.handle.net/2003/1905610.17877/DE290R-6803enThe American Physical SocietyPhysical Review Letters530Polarization Instabilities in a Two-Photon Laser10.1103/PhysRevLett.86.4512article (journal)