Noiseless optical amplification in quasi-phase-matched bulk lithium niobate

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), pp. 1439-1441. (doi:10.1364/OL.21.001439).


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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.

Item Type: Article
Digital Object Identifier (DOI): doi:10.1364/OL.21.001439
ISSNs: 0146-9592 (print)
Related URLs:
ePrint ID: 78033
Date :
Date Event
Date Deposited: 11 Mar 2010
Last Modified: 18 Apr 2017 20:25
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