Abstract

Low-threshold, efficient optical parametric generation at 6100nm is demonstrated using CdSiP2 nonlinear crystal at 1 to 10 kHz repetition rates with relatively long 500 ps pump pulses at 1064 nm. Maximum single pulse energy of 8.7 μJ and average power of 79 mW are achieved for the idler. Seeding at the signal wavelength is employed using a distributed feedback laser diode, which enables approximately tenfold narrowing of the idler bandwidth down to less than 1 nm.

© 2012 Optical Society of America

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References

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  1. U. Bäder, T. Mattern, T. Bauer, J. Batschke, M. Rahm, A. Borsutzky, R. Wallenstein, Opt. Commun. 217, 375 (2003).
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  3. O. Chalus, P. G. Schunemann, K. T. Zawilski, J. Biegert, and M. Ebrahim-Zadeh, Opt. Lett. 35, 4142 (2010).
    [CrossRef]
  4. G. Marchev, A. Tyazhev, V. Petrov, P. G. Schunemann, K. T. Zawilski, G. Stöppler, and M. Eichhorn, Opt. Lett. 37, 740 (2012).
    [CrossRef]
  5. A. Agnesi, P. Dallocchio, F. Pirzio, and G. Reali, Appl. Phys. B 98, 737 (2010).
    [CrossRef]
  6. K. L. Vodopyanov and P. G. Schunemann, Opt. Lett. 28, 441 (2003).
    [CrossRef]

2012

2010

2009

2003

U. Bäder, T. Mattern, T. Bauer, J. Batschke, M. Rahm, A. Borsutzky, R. Wallenstein, Opt. Commun. 217, 375 (2003).
[CrossRef]

K. L. Vodopyanov and P. G. Schunemann, Opt. Lett. 28, 441 (2003).
[CrossRef]

Agnesi, A.

A. Agnesi, P. Dallocchio, F. Pirzio, and G. Reali, Appl. Phys. B 98, 737 (2010).
[CrossRef]

Bäder, U.

U. Bäder, T. Mattern, T. Bauer, J. Batschke, M. Rahm, A. Borsutzky, R. Wallenstein, Opt. Commun. 217, 375 (2003).
[CrossRef]

Batschke, J.

U. Bäder, T. Mattern, T. Bauer, J. Batschke, M. Rahm, A. Borsutzky, R. Wallenstein, Opt. Commun. 217, 375 (2003).
[CrossRef]

Bauer, T.

U. Bäder, T. Mattern, T. Bauer, J. Batschke, M. Rahm, A. Borsutzky, R. Wallenstein, Opt. Commun. 217, 375 (2003).
[CrossRef]

Biegert, J.

Borsutzky, A.

U. Bäder, T. Mattern, T. Bauer, J. Batschke, M. Rahm, A. Borsutzky, R. Wallenstein, Opt. Commun. 217, 375 (2003).
[CrossRef]

Chalus, O.

Dallocchio, P.

A. Agnesi, P. Dallocchio, F. Pirzio, and G. Reali, Appl. Phys. B 98, 737 (2010).
[CrossRef]

Ebrahim-Zadeh, M.

Eichhorn, M.

Marchev, G.

Mattern, T.

U. Bäder, T. Mattern, T. Bauer, J. Batschke, M. Rahm, A. Borsutzky, R. Wallenstein, Opt. Commun. 217, 375 (2003).
[CrossRef]

Petrov, V.

Pirzio, F.

A. Agnesi, P. Dallocchio, F. Pirzio, and G. Reali, Appl. Phys. B 98, 737 (2010).
[CrossRef]

Pollak, T. M.

Rahm, M.

U. Bäder, T. Mattern, T. Bauer, J. Batschke, M. Rahm, A. Borsutzky, R. Wallenstein, Opt. Commun. 217, 375 (2003).
[CrossRef]

Reali, G.

A. Agnesi, P. Dallocchio, F. Pirzio, and G. Reali, Appl. Phys. B 98, 737 (2010).
[CrossRef]

Schunemann, P. G.

Stöppler, G.

Tyazhev, A.

Vodopyanov, K. L.

Wallenstein, R.

U. Bäder, T. Mattern, T. Bauer, J. Batschke, M. Rahm, A. Borsutzky, R. Wallenstein, Opt. Commun. 217, 375 (2003).
[CrossRef]

Zawilski, K. T.

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Figures (5)

Fig. 1.
Fig. 1.

(a) Photograph of the AR-coated CSP element and (b) OPG experimental setup: M1, polarization dependent reflection mirror; HWP, half-wave plate; OI, optical isolator; T, telescope; A, variable size aperture; D, DFB seed diode; BM1 and BM2, dichroic bending mirrors; TR, total reflector; L, 10 cm BaF2 lens; F, 5 μm cut-on filter; PM, power meter.

Fig. 2.
Fig. 2.

Input–output characteristics of the CSP OPG at 1 kHz in (a) single-pass and (b) double-pass arrangement. Deviations of the ratio signal to idler energy from the value determined by energy conservation can be attributed to the idler residual reflection losses at the CSP surfaces.

Fig. 3.
Fig. 3.

Total conversion efficiency (signal+idler) and pump depletion at 1 kHz in (a) single-pass and (b) double-pass arrangement.

Fig. 4.
Fig. 4.

Idler pulse output energy versus repetition rate for incident pump energy of 300 μJ (seeded).

Fig. 5.
Fig. 5.

(a) Unseeded (lower red curve) and seeded OPG signal spectrum (tall blue curve) in the case of double-pass operation, and (b) pump (black curve), seed diode (blue curve), and output signal (red curve) spectra.

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