Optical gain and transient nonlinearities in Ge quantum wells

S. Chatterjee, C. Lange, N. S. Köster, H. Sigg, D. Chrastina, G. Isella, H. Von Känel, M. Schäfer, M. Kira, Stephan W Koch

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

Ultrafast carrier dynamics of Ge/SiGe quantum wells grown on a Si substrate are investigated using pump-probe spectroscopy. Optical gain and population inversion are obtained on a femtosecond time scale. A microscopic theory supports the results.

Original languageEnglish (US)
Title of host publicationIEEE International Conference on Group IV Photonics GFP
Pages268-270
Number of pages3
DOIs
StatePublished - 2009
Externally publishedYes
Event2009 6th IEEE International Conference on Group IV Photonics, GFP '09 - San Francisco, CA, United States
Duration: Sep 9 2009 → Sep 11 2009

Other

Other2009 6th IEEE International Conference on Group IV Photonics, GFP '09
CountryUnited States
CitySan Francisco, CA
Period9/9/09 → 9/11/09

Fingerprint

Optical gain
Semiconductor quantum wells
Pumps
Spectroscopy
Substrates

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Ceramics and Composites
  • Electronic, Optical and Magnetic Materials

Cite this

Chatterjee, S., Lange, C., Köster, N. S., Sigg, H., Chrastina, D., Isella, G., ... Koch, S. W. (2009). Optical gain and transient nonlinearities in Ge quantum wells. In IEEE International Conference on Group IV Photonics GFP (pp. 268-270). [5338362] https://doi.org/10.1109/GROUP4.2009.5338362

Optical gain and transient nonlinearities in Ge quantum wells. / Chatterjee, S.; Lange, C.; Köster, N. S.; Sigg, H.; Chrastina, D.; Isella, G.; Von Känel, H.; Schäfer, M.; Kira, M.; Koch, Stephan W.

IEEE International Conference on Group IV Photonics GFP. 2009. p. 268-270 5338362.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Chatterjee, S, Lange, C, Köster, NS, Sigg, H, Chrastina, D, Isella, G, Von Känel, H, Schäfer, M, Kira, M & Koch, SW 2009, Optical gain and transient nonlinearities in Ge quantum wells. in IEEE International Conference on Group IV Photonics GFP., 5338362, pp. 268-270, 2009 6th IEEE International Conference on Group IV Photonics, GFP '09, San Francisco, CA, United States, 9/9/09. https://doi.org/10.1109/GROUP4.2009.5338362
Chatterjee S, Lange C, Köster NS, Sigg H, Chrastina D, Isella G et al. Optical gain and transient nonlinearities in Ge quantum wells. In IEEE International Conference on Group IV Photonics GFP. 2009. p. 268-270. 5338362 https://doi.org/10.1109/GROUP4.2009.5338362
Chatterjee, S. ; Lange, C. ; Köster, N. S. ; Sigg, H. ; Chrastina, D. ; Isella, G. ; Von Känel, H. ; Schäfer, M. ; Kira, M. ; Koch, Stephan W. / Optical gain and transient nonlinearities in Ge quantum wells. IEEE International Conference on Group IV Photonics GFP. 2009. pp. 268-270
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