Abstract

We report a high-power, cw, singly resonant optical parametric oscillator (SRO) using a simple, compact fiber pump laser architecture in the green. The SRO, based on MgO:sPPLT, is pumped by 9.6W of single-frequency cw radiation at 532nm obtained by single-pass second-harmonic generation (SHG) of a 30W Yb fiber laser, also in MgO:sPPLT. Using two identical crystals of 30mm length for SHG and SRO, we generate cw idler powers of up to 2W over 8551408nm, with a peak-to-peak power stability <11.7% over 40min, in a TEM00 spatial mode with M2<1.26. Using finite output coupling of the resonant wave, we extract 800mW of signal power with peak-to-peak power stability <10.7% over 40min, and a frequency stability <75MHz over 15min. The signal and idler output have TEM00 beam profile with M2<1.52 across the tuning range.

© 2009 Optical Society of America

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2009 (1)

2008 (3)

2007 (2)

2006 (1)

2005 (1)

2002 (1)

1996 (1)

Adhimoolam, B.

Alexander, J. I.

Auerbach, M.

Boller, K.

Boller, K.-J.

Bosenberg, W. R.

Bretenaker, F.

Byer, R. L.

Cristescu, S. M.

S. M. Cristescu, S. T. Persijn, S. Te Lintel Hekker, F. J. M. Harren, Appl. Phys. B 92, 343 (2008).
[CrossRef]

Drag, C.

Drobshoff, A.

Ebrahim-Zadeh, M.

Fallnich, C.

Fayaz, G. R.

Gross, P.

Harren, F. J. M.

S. M. Cristescu, S. T. Persijn, S. Te Lintel Hekker, F. J. M. Harren, Appl. Phys. B 92, 343 (2008).
[CrossRef]

Henderson, A.

Klein, M.

Klein, M. E.

Kumar, S. C.

Lindsay, I.

Lintel Hekker, S. Te

S. M. Cristescu, S. T. Persijn, S. Te Lintel Hekker, F. J. M. Harren, Appl. Phys. B 92, 343 (2008).
[CrossRef]

Melkonian, J.-M.

My, T.-H.

Myers, L. E.

Persijn, S. T.

S. M. Cristescu, S. T. Persijn, S. Te Lintel Hekker, F. J. M. Harren, Appl. Phys. B 92, 343 (2008).
[CrossRef]

Samanta, G. K.

Stafford, R.

Walde, T.

Wessels, P.

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Figures (6)

Fig. 1
Fig. 1

Schematic of experimental design for the fiber-laser-pumped MgO:sPPLT cw SRO. HWP, half-wave plate; PBS, polarizing beam splitter; M, mirror; L, lens.

Fig. 2
Fig. 2

Simultaneously extracted (a) signal power and (b) idler power, across the cw OC-SRO tuning range. Green pump power is 7.3 W .

Fig. 3
Fig. 3

Power stability of (a) outcoupled signal and (b) idler over 40 min . The crystal temperature is 80 ° C .

Fig. 4
Fig. 4

Long-term frequency stability of signal at wavelength 971.14928 nm for crystal temperature of 80 ° C over 15 min and (inset) short-term frequency stability over 10 sec .

Fig. 5
Fig. 5

Far-field TEM 00 energy distribution and intensity profiles of the generated signal beam at crystal temperature 80 ° C ( 971 nm ) recorded at a distance > 2 m away from OC-SRO.

Fig. 6
Fig. 6

Variation of M 2 for (a) signal and (b) idler across the tuning range of OC-SRO.

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