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Resonant second harmonic generation in semiconductor quantum wells

✍ Scribed by Hiroyuki Ito; Fujio Minami; Kouji Yoshida; Kuon Inoue

Publisher
Elsevier Science
Year
1995
Tongue
English
Weight
242 KB
Volume
66-67
Category
Article
ISSN
0022-2313

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We report experimental evidence of Second-harmonic generation (SHG) due to intersubband transitions in \(G a A s / A l_{x} G a_{1-x} A 8\) step quantum wells using a multipass or "waveguide" structure. A SHG conversion efficiency of \(3.46 \times 10^{-4}\) has been achieved which is one order of mag