Novel design concepts of widely tunable germanium terahertz lasers |
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| Affiliation: | 1. Faculty of Nursing, Departmant of Nursing Management, Akdeniz University, Antalya, Turkey;2. Faculty of Nursing, Department of Pediatric Nursing, Akdeniz University, Antalya, Turkey;3. Faculty of Nursing, Surgical Nursing Department, Akdeniz University, Antalya, Turkey;1. Laboratory of Agricultural Resources, Polymers and Process Engineering (LAPPE), Team of Organic Chemistry and Polymer (TOCP), Department of Chemistry, Faculty of Sciences, Ibn Tofail University, BP 133, 14000 Kenitra, Morocco;2. Laboratory of Materials, Electrochemistry and Environment, Team of Corrosion, Protection and Environment, Department of Chemistry, Faculty of Sciences, Ibn Tofail University, BP 133, 14000 Kenitra, Morocco;3. Laboratory of Separation Processes, Department of Chemistry, Faculty of Science, Ibn Tofail University, BP 133, 14000 Kenitra, Morocco;4. Laboratory REMTEX, ESITH (Hight School of Textile and Clothing Industries), Casablanca, Morocco;5. Department of Chemistry, Faculty of Natural and Mathematics Science, University of Prishtina, 10000 Prishtina, Kosovo |
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| Abstract: | We explore the full parameter space for laser operation and compile guidelines for building improved Ge lasers, especially for continuous wave applications. We present laser emission from p-type Ge lasers with small volumes at high repetition rates and with inter-contact distances as low as 750 μm. The emission is analyzed as a function of the current–voltage characteristic. The Poisson equation is solved to determine the electric field distribution and two new laser designs are presented. |
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