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Spin-relaxation in an InGaAs/InP MQW

Spin-relaxation in an InGaAs/InP MQW
Spin-relaxation in an InGaAs/InP MQW
Room temperature picosecond pump-probe transmission measurements on InGaAsP/InGaAsP MQWs have shown large rotation (~40°) of probe polarisation induced by circularly polarised pump. We report low temperature investigations in a lattice matched In0.43Ga0.57As/InP MQW 8nm wide which does not reproduce this remarkable effect. Our measurements were made with an all-solid-state optical parametric oscillator tunable from 1.2 to 6µm. The non-linear crystal is periodically poled lithium niobate fabricated at Southampton, pumped synchronously by a modelocked, diode pumped Nd:YLF laser.
Marsden, P.A.
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Malinowski, A.
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Puech, K.
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Lefort, L.
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Ross, G.W.
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Hopkinson, M.
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Hanna, D.C.
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Harley, R.T.
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Tropper, A.C.
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Marsden, P.A.
4a0ef10a-358b-4b0f-95b2-c314731712aa
Malinowski, A.
54fd31d4-b510-4726-a8cd-33b6b2ad0427
Puech, K.
0a48c503-b240-445f-ab9b-8ea4cfc2038a
Lefort, L.
5a0c72db-ed4c-4efc-9458-a7a200cd0db6
Ross, G.W.
e881119e-2126-442e-a24d-506dac48a4a4
Hopkinson, M.
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Hanna, D.C.
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Harley, R.T.
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Tropper, A.C.
f3505426-e0d5-4e91-aed3-aecdb44b393c

Marsden, P.A., Malinowski, A., Puech, K., Lefort, L., Ross, G.W., Hopkinson, M., Hanna, D.C., Harley, R.T. and Tropper, A.C. (1999) Spin-relaxation in an InGaAs/InP MQW. 14th National Quantum Electronics, , Manchester, United Kingdom. 06 - 09 Sep 1999.

Record type: Conference or Workshop Item (Paper)

Abstract

Room temperature picosecond pump-probe transmission measurements on InGaAsP/InGaAsP MQWs have shown large rotation (~40°) of probe polarisation induced by circularly polarised pump. We report low temperature investigations in a lattice matched In0.43Ga0.57As/InP MQW 8nm wide which does not reproduce this remarkable effect. Our measurements were made with an all-solid-state optical parametric oscillator tunable from 1.2 to 6µm. The non-linear crystal is periodically poled lithium niobate fabricated at Southampton, pumped synchronously by a modelocked, diode pumped Nd:YLF laser.

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Published date: 1999
Venue - Dates: 14th National Quantum Electronics, , Manchester, United Kingdom, 1999-09-06 - 1999-09-09
Learn more about Optoelectronics Research Centre research

Identifiers

Local EPrints ID: 76518
URI: http://eprints.soton.ac.uk/id/eprint/76518
PURE UUID: a1cad72d-7397-4779-aab3-2a1ca87d24f3

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Date deposited: 11 Mar 2010
Last modified: 13 Mar 2024 23:17

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Contributors

Author: P.A. Marsden
Author: A. Malinowski
Author: K. Puech
Author: L. Lefort
Author: G.W. Ross
Author: M. Hopkinson
Author: D.C. Hanna
Author: R.T. Harley
Author: A.C. Tropper

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