Suppression of residual single-photon absorption relative to two-photon absorption in high finesse planar microcavities
Guo, Wei Hua and O'Dowd, John and Flood, Edward and Quinlan, Tom and Lynch, Michael and Bradley, Ann Louise and Donegan, John Francis and Bondarczuk, Krzysztof and Maguire, Paul J. and Barry, Liam P. (2008) Suppression of residual single-photon absorption relative to two-photon absorption in high finesse planar microcavities. IEEE Photonics Technology Letters, 20 (16). pp. 1426-1428. ISSN 1041-1135
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Suppression of residual single-photon absorption (SPA) relative to two-photon absorption (TPA) in a high finesse GaAs planar microcavity is explored. The TPA photocurrent becomes larger than the SPA photocurrent as long as the incident continuous-wave optical power exceeds 0.09 mW. An optical power of 5 mW would be required if the relative SPA suppression did not exist.
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