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physics.optics2020★ 8 cited
Performance characteristics of low threshold current 1.25-μm type-II GaInAs/GaAsSb W-lasers for optical communications
Dominic A. Duffy, Igor P. Marko, Christian Fuchs +4
Type-II W-lasers have made an important contribution to the development of mid-infrared laser diodes. In this paper, we show that a similar approach can yield high performance lase…
physics.optics2016★ 14 cited
Gain spectroscopy of a type-II VECSEL chip
Christian Lammers, Markus Stein, Christian Berger +9
Using optical pump-white light probe spectroscopy the gain dynamics is investigated for a VECSEL chip which is based on a type-II heterostructure. The active region the chip consis…