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Appl Phys B (2011) 103: 8997 DOI 10.1007/s00340-011-4464-9

Summary: Appl Phys B (2011) 103: 8997
DOI 10.1007/s00340-011-4464-9
Modeling the power of an optical parametric generator
by discrete mode summation
S. Acco A. Arie Y. Ben-Aryeh M. Katz P. Blau
Received: 10 January 2010 / Revised version: 15 January 2011 / Published online: 16 March 2011
Springer-Verlag 2011
Abstract An analytical expression for calculating the sig-
nal output power of an optical parametric generator (OPG)
configuration was developed. The model is based on Heisen-
berg equations in space and radiation mode theory. A sim-
ple analytical expression can be obtained by assuming that
all modes within the gain bandwidth of the nonlinear crys-
tal have the same gain and the same interaction length. An-
other derivation considers the gain and interaction length of
each individual mode. The model predictions are in excel-
lent agreement with the measured signal power of OPGs
based on 25- and 35-mm periodically poled LiNbO3 crys-
tal (with effective quadratic nonlinearity of 14.5 pm/V)
and 47-mm periodically poled LiTaO3 crystal (with effective


Source: Arie, Ady - Department of Electrical Engineering-Physical Electronics, Tel Aviv University


Collections: Engineering