Efficient generation and amplification of temporally coherent and narrow-linewidth terahertz waves based on parametric processes

Yujie J. Ding; Ioulia B. Zotova; Jacob B. Khurgin

doi:10.1117/12.349290

24 May 1999 Efficient generation and amplification of temporally coherent and narrow-linewidth terahertz waves based on parametric processes

Yujie J. Ding, Ioulia B. Zotova, Jacob B. Khurgin

Author Affiliations +

Proceedings Volume 3624, Ultrafast Phenomena in Semiconductors III; (1999) https://doi.org/10.1117/12.349290
Event: Optoelectronics '99 - Integrated Optoelectronic Devices, 1999, San Jose, CA, United States

Abstract

We have considered forward and backward optical parametric oscillation and amplification, and difference-frequency generation for efficiently generating and amplifying terahertz waves in CdSe, GaSe, periodically-poled LiNbO₃ and LiTaO₃, and diffusion-bonded-stacked GaAs and GaP plates. The advantage of using birefringence in CdSe and GaSe is tunability of the output terahertz frequency. Furthermore, both CdSe and GaSe can be used to achieve the backward parametric oscillation without any cavity. On the other hand, in periodically-poled LiNbO₃ and LiTaO₃, one can take advantage of large diagonal elements of second- order nonlinear susceptibility tensor. In the diffusion- bonded-stacked GaAs and GaP plates, quasi-phase matching can be achieved by alternatively rotating the plates. The advantage of using coherent parametric processes is possibility of efficiently generating and amplifying temporal-coherent and narrow-linewidth terahertz waves. Compared with a noncollinear configuration, by using the parallel wave propagation configurations, the conversion efficiency can be higher because of longer effective interaction length among all the waves.

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Yujie J. Ding, Ioulia B. Zotova, and Jacob B. Khurgin "Efficient generation and amplification of temporally coherent and narrow-linewidth terahertz waves based on parametric processes", Proc. SPIE 3624, Ultrafast Phenomena in Semiconductors III, (24 May 1999); https://doi.org/10.1117/12.349290

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