@inbook{https://resolver.caltech.edu/CaltechAUTHORS:20161021-134720448, title = "Laser Diode Technology and Applications II", chapter = "Ultrabroadband tunable external-cavity quantum well lasers", year = "1990", url = "https://resolver.caltech.edu/CaltechAUTHORS:20161021-134720448", id = "record", isbn = "0819402605", doi = "10.1117/12.18273" }