Higher-harmonic generation in boron-doped silicon from band carriers and bound-dopant photoionization oleh Fanqi Meng, Frederik Walla, Sergey Kovalev, Jan-Christoph Deinert, Igor Ilyakov, Min Chen, Alexey Ponomaryov, Sergey G. Pavlov, Heinz-Wilhelm Hübers, Nikolay V. Abrosimov, Christoph Jungemann, Hartmut G. Roskos, Mark D. Thomson