Terahertz emission from coherent phonons in lithium ternary chalcopyrite crystals illuminated by 1560 nm femtosecond laser pulsesK. Takeya, Y. Takemoto, I. Kawayama, H. Murakami, T. Matsukawa, M. Yoshimura, Y. Mori and M. TonouchiEPL, 91 2 (2010) 20004DOI: https://doi.org/10.1209/0295-5075/91/20004