1. Kroemer Symposium, May 20, 2013 STANFORD JSH 1 Mentoring and Great Times with Herb Kroemer Herbert Kroemer Symposium, May 20, 2013 James S. Harris

2. Kroemer Symposium, May 20, 2013 STANFORD JSH 2 If, in discussing a semiconductor problem, you cannot draw an Energy Band Diagram, then you don't know what you are talking about. Corollary: If you can, but don't, then your audience won't know what you are talking about Kroemer’s Lemma of Proven Ignorance H. Kroemer-Prof. UCSB 2000 Nobel lecture

3. Kroemer Symposium, May 20, 2013 STANFORD JSH 3 Heterojunction Confusion

4. Kroemer Symposium, May 20, 2013 STANFORD JSH 4 The Saga of Heterojunction Barriers

5. Kroemer Symposium, May 20, 2013 STANFORD JSH 5 The Heterojunction Barrier Mystery Solved

6. Kroemer Symposium, May 20, 2013 STANFORD JSH 6 Heterojunction Laser Proc. IEEE, Dec. 1963

7. Kroemer Symposium, May 20, 2013 STANFORD JSH 7 Microdisk Ge QW Photoluminescence Amplified spontaneous emission pumped by 900nm pulsed laser Two small peaks on each fringe  TE / TM or higher order mode PL intensity is super linear, estimated gain of 1500 cm -1