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Ultrahigh finesse microcavity with distributed Bragg reflectors
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We have grown a very high finesse microcavity using distributed Bragg reflectors of AlxGa1−xAs and AlAs. The measured Fabry–Pérot mode has a linewidth of 0.84 Å at 930 nm. This implies a finesse in excess of 5500 and an effective (mirror corrected) finesse greater than 1450. Comparison with theoretical calculations for such a structure shows that (i) the growth rates are stable to 0.25% over 14 h and (ii) the internal losses are less than 1 cm−1.
AIP Publishing
Title: Ultrahigh finesse microcavity with distributed Bragg reflectors
Description:
We have grown a very high finesse microcavity using distributed Bragg reflectors of AlxGa1−xAs and AlAs.
The measured Fabry–Pérot mode has a linewidth of 0.
84 Å at 930 nm.
This implies a finesse in excess of 5500 and an effective (mirror corrected) finesse greater than 1450.
Comparison with theoretical calculations for such a structure shows that (i) the growth rates are stable to 0.
25% over 14 h and (ii) the internal losses are less than 1 cm−1.
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