We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleUltra-broadband semiconductor laser.AuthorsGmachl C; Sivco DL; Colombelli R; Capasso F; Cho AYPublicationNature, 2002, Vol 415, Issue 6874, p883ISSN0028-0836Publication typearticleDOI10.1038/415883a