Abstract
The second order nonlinear coefficient (d36) of the narrow band gap semiconductor, mercury cadmium telluride (MCT), is measured. Because MCT is strongly absorbing at a 1.06 μm wavelength, the measurement was performed by comparing the second harmonic intensity reflected from the material surface to the second harmonic intensity measured for a quartz sample in transmission. The analysis depends on the derivation of comparable expressions for the reflected and transmitted intensities. Using this approach a value of d36=350±40 pm/V is obtained, a value much larger than those reported for similar zinc-blende type materials. The large magnitude of the MCT d36 is attributed to an electronic resonance enhancement.
| Original language | English |
|---|---|
| Pages (from-to) | 306-310 |
| Number of pages | 5 |
| Journal | Journal of Applied Physics |
| Volume | 89 |
| Issue number | 1 |
| DOIs | |
| Publication status | Published - Jan 2001 |
Keywords
- optical harmonic generation
- II-VI semiconductors
- cadmium compounds
- mercury compounds
- narrow band gap semiconductors
- measurement of the d(36) coefficient
- mercury cadmium telluride
- second harmonic generation
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