We experimentally observed for the first time two-photon detection in a quantum dot mid-infrared photodetector. We use a 100-fs difference frequency generator tuned in the 2-5 micron range. The photodetector is suitable for second-order autocorrelation measurements for mid-infrared optical pulses.
|Number of pages||2|
|Journal||OSA Trends in Optics and Photonics Series|
|Publication status||Published - 2003 Jan 1|
|Event||Conference on Lasers and Electro-Optics (CLEO); Postconference Digest - Baltimore, MD, United States|
Duration: 2003 Jun 1 → 2003 Jun 6
All Science Journal Classification (ASJC) codes