Abstract

We discuss the use of aperiodically poled nonlinear crystals to improve conversion efficiency in a synchronously pumped ultrafast optical parametric oscillator. We show theoretically that with these crystals the conversion efficiency can be considerably higher than that obtained when a periodically poled crystal with the same length is used. Moreover, we show that pump threshold can be simultaneously improved by use of longer crystals.

© 2002 Optical Society of America

Pulse compression and gain enhancement in a degenerate optical parametric amplifier based on aperiodically poled crystals

David Artigas, Derryck T. Reid, Martin M. Fejer, and Lluis Torner
Opt. Lett. 27(6) 442-444 (2002)

Five-optical-cycle pulse generation in the mid infrared from an optical parametric oscillator based on aperiodically poled lithium niobate

T. Beddard, M. Ebrahimzadeh, T. D. Reid, and W. Sibbett
Opt. Lett. 25(14) 1052-1054 (2000)

Efficient nanosecond optical parametric oscillators based on periodically poled KTP emitting in the 1.8–2.5-µm spectral region

J. Hellström, V. Pasiskevicius, F. Laurell, and H. Karlsson
Opt. Lett. 24(17) 1233-1235 (1999)

Femtosecond optical parametric oscillator based on periodically poled KTiOPO₄

Tolga Kartaloǧlu, Kahraman G. Köprülü, Orhan Aytür, Michael Sundheimer, and William P. Risk
Opt. Lett. 23(1) 61-63 (1998)

Efficient conversion from 1 to 2 µm by a KTP-based ring optical parametric oscillator

G. Arisholm, E. Lippert, G. Rustad, and K. Stenersen
Opt. Lett. 27(15) 1336-1338 (2002)