Sökning: "Gunnar Landgren"

Hittade 2 avhandlingar innehållade orden Gunnar Landgren.

1. 1. High performance materials and processing technology for uncooled 1.3 μm laser diodes

   Författare :Roberta Campi; Gunnar Landgren; Abdallah Ougazzaden; KTH; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; MOCVD; InGaAsP; AlGaInAsP; AlGaInAs; In-situ etching; TBCI; Semiconductor physics; Halvledarfysik;

   Sammanfattning : This thesis investigates different material systems and processing technology for high temperature compatible laser diodes used in volume applications within the 1.3-μm telecom wavelength window. LÄS MER

3. 2. Metall organic vapour phase epitaxy for advanced III-V devices

   Författare :Nils Nordell; Sture Petersson; Gunnar Landgren; Ferdinand Scholz; KTH; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Metalorganic vapour phase epitaxy MOVPE ; III-V compound semiconductors; epitaxial uniformity; p-type doping profiles; epitaxial regrowth; chlorine-MOVPE; buried heterostructure laser; heterostructure bipolar transistor; Electrical Engineering; Elektro- och systemteknik;

   Sammanfattning : Metalorganic vapour phase epitaxy (MOVPE) has proven to be a successful method for growth of structures for advanced optoelectronic semiconductor devices in III-V compounds. This thesis deals with technological and process related aspects of MOVPE from an experimental perspective. LÄS MER