Noiseless optical amplification in quasi-phase-matched bulk lithium niobate
Noiseless optical amplification in quasi-phase-matched bulk lithium niobate
An optical parametric amplifier (OPO) has been demonstrated in bulk, periodically poled lithium niobate and is shown to operate with a noise figure well below the classical limit. In contrast to conventional OPSs, this device uses quasi-phase matching to provide the coupling between the pump and the signal. Comparison of the measured performance with that of a theoretical model reveals that the main intrinsic contribution to the output noise is due to spatial and temporal mode mixing, which arises as a consequence of tight focusing of the incident beams. Factors that affect the performance of this amplifier are identified theoretically and their relative importance investigated for both amplification and squeezing.
1439-1441
Lovering, D.J.
44f26646-5fec-4c9e-a9fc-950c3037f461
Levenson, J.A.
58c0c872-6e9c-4c69-b956-91fe11efd2a9
Vidakovic, P.
367cb026-8ed5-4da3-837a-7395c3289d22
Webjörn, J.
f3ef0aa0-86f5-4323-ab51-ac54fb43d0ac
Russell, P.St.J.
77db5e8d-8223-4806-ae60-a106619a022a
1996
Lovering, D.J.
44f26646-5fec-4c9e-a9fc-950c3037f461
Levenson, J.A.
58c0c872-6e9c-4c69-b956-91fe11efd2a9
Vidakovic, P.
367cb026-8ed5-4da3-837a-7395c3289d22
Webjörn, J.
f3ef0aa0-86f5-4323-ab51-ac54fb43d0ac
Russell, P.St.J.
77db5e8d-8223-4806-ae60-a106619a022a
Lovering, D.J., Levenson, J.A., Vidakovic, P., Webjörn, J. and Russell, P.St.J.
(1996)
Noiseless optical amplification in quasi-phase-matched bulk lithium niobate.
Optics Letters, 21 (18), .
(doi:10.1364/OL.21.001439).
Abstract
An optical parametric amplifier (OPO) has been demonstrated in bulk, periodically poled lithium niobate and is shown to operate with a noise figure well below the classical limit. In contrast to conventional OPSs, this device uses quasi-phase matching to provide the coupling between the pump and the signal. Comparison of the measured performance with that of a theoretical model reveals that the main intrinsic contribution to the output noise is due to spatial and temporal mode mixing, which arises as a consequence of tight focusing of the incident beams. Factors that affect the performance of this amplifier are identified theoretically and their relative importance investigated for both amplification and squeezing.
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Published date: 1996
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Local EPrints ID: 78033
URI: http://eprints.soton.ac.uk/id/eprint/78033
ISSN: 0146-9592
PURE UUID: 7e4269b0-8157-4231-bab4-b1aaffaaf95a
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Date deposited: 11 Mar 2010
Last modified: 14 Mar 2024 00:04
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Author:
D.J. Lovering
Author:
J.A. Levenson
Author:
P. Vidakovic
Author:
J. Webjörn
Author:
P.St.J. Russell
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