Abstract

We report a continuous-wave, broadly tunable mid-infrared MgO:PPLN optical parametric oscillator pumped by a fiber amplifier. Using pump tuning with synchronized temperature optimization, we achieve the broadest mode-hop-free (MHF) tuning of idler light over 30cm1. We further use this tunable mid-infrared laser to demonstrate high-resolution absorption spectroscopy of methane across the MHF tuning range.

© 2012 Optical Society of America

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2011 (1)

2008 (2)

O. Gayer, Z. Sacks, E. Galun, and A. Arie, Appl. Phys. B: Lasers Opt. 91, 343 (2008).
[CrossRef]

M. Vainio, J. Peltola, S. Persijn, F. J. M. Harren, and L. Halonen, Opt. Express 16, 11141 (2008).
[CrossRef]

2006 (1)

2005 (1)

2004 (1)

B. Dayan, A. Pe’er, A. A. Friesem, and Y. Silberberg, Phys. Rev. Lett. 93, 023005 (2004).
[CrossRef]

2002 (1)

D. Richter, A. Fried, B. P. Wert, J. G. Walega, and F. K. Tittel, Appl. Phys. B: Lasers Opt. 75, 281 (2002).
[CrossRef]

2001 (1)

2000 (1)

1981 (1)

Adhimoolam, B.

Andrieux, E.

Arie, A.

O. Gayer, Z. Sacks, E. Galun, and A. Arie, Appl. Phys. B: Lasers Opt. 91, 343 (2008).
[CrossRef]

Boller, K. J.

Braxmaier, C.

Cadoret, M.

Dayan, B.

B. Dayan, A. Pe’er, A. A. Friesem, and Y. Silberberg, Phys. Rev. Lett. 93, 023005 (2004).
[CrossRef]

Dekorsy, D.

Fried, A.

D. Richter, A. Fried, B. P. Wert, J. G. Walega, and F. K. Tittel, Appl. Phys. B: Lasers Opt. 75, 281 (2002).
[CrossRef]

Friesem, A. A.

B. Dayan, A. Pe’er, A. A. Friesem, and Y. Silberberg, Phys. Rev. Lett. 93, 023005 (2004).
[CrossRef]

Galun, E.

O. Gayer, Z. Sacks, E. Galun, and A. Arie, Appl. Phys. B: Lasers Opt. 91, 343 (2008).
[CrossRef]

Gayer, O.

O. Gayer, Z. Sacks, E. Galun, and A. Arie, Appl. Phys. B: Lasers Opt. 91, 343 (2008).
[CrossRef]

Gross, P.

Halonen, L.

Harren, F. J. M.

Henderson, A.

Klein, M. E.

Kovalchuk, E. V.

Laue, C. K.

Lee, D. H.

Lindsay, I. D.

Littman, M. G.

Liu, K.

Lvovsky, A. I.

Mlynek, J.

Pe’er, A.

B. Dayan, A. Pe’er, A. A. Friesem, and Y. Silberberg, Phys. Rev. Lett. 93, 023005 (2004).
[CrossRef]

Peltola, J.

Persijn, S.

Peters, A.

Richter, D.

D. Richter, A. Fried, B. P. Wert, J. G. Walega, and F. K. Tittel, Appl. Phys. B: Lasers Opt. 75, 281 (2002).
[CrossRef]

Rihan, A.

Sacks, Z.

O. Gayer, Z. Sacks, E. Galun, and A. Arie, Appl. Phys. B: Lasers Opt. 91, 343 (2008).
[CrossRef]

Schiller, S.

Silberberg, Y.

B. Dayan, A. Pe’er, A. A. Friesem, and Y. Silberberg, Phys. Rev. Lett. 93, 023005 (2004).
[CrossRef]

Stafford, R.

Tittel, F. K.

D. Richter, A. Fried, B. P. Wert, J. G. Walega, and F. K. Tittel, Appl. Phys. B: Lasers Opt. 75, 281 (2002).
[CrossRef]

Vainio, M.

Walega, J. G.

D. Richter, A. Fried, B. P. Wert, J. G. Walega, and F. K. Tittel, Appl. Phys. B: Lasers Opt. 75, 281 (2002).
[CrossRef]

Wallenstein, R.

Wert, B. P.

D. Richter, A. Fried, B. P. Wert, J. G. Walega, and F. K. Tittel, Appl. Phys. B: Lasers Opt. 75, 281 (2002).
[CrossRef]

Zanon, T.

Zondy, J. J.

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Figures (5)

Fig. 1.
Fig. 1.

Experimental setup of the PPLN-based SRO with calibration.

Fig. 2.
Fig. 2.

Experimental and calculated optimized crystal temperatures to favor the phase matching condition at each pump wavelength with fixed signal wavelength 1535.44 nm.

Fig. 3.
Fig. 3.

Calibration of MHF tuning of sum frequency. The solid line shows sum-frequency Fabry–Perot spectrum [free spectral range (FSR) 10 GHz)] at pump frequency fpump; the dashed-dotted line shows the shift of the transmission peaks of the sum frequency. A smooth, continuous shift of the sum frequency as the pump wavelength is tuned confirms that there is no mode hop. Inset shows the spectrum of the sum frequency measured by a finer resolution FPI. It yields an upper limit of idler linewidth at 50 MHz.

Fig. 4.
Fig. 4.

(a) Idler’s MHF tunable range as pump tuning; the arrows show where hops happen repeatedly, (b) experimental and HITRAN-simulated methane absorption within our first MHF tuning range. The methane gas was injected into a gas cell of 0.5 cm length in atmospherical pressure.

Fig. 5.
Fig. 5.

Pump depletion and idler power as a function of the pump power measured before cavity. The measurement is performed at idler wavelength 2900cm1.

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