@article{JETPL.112.297, title = {Generation of Optical?Terahertz Biphotons and Detection of Their Terahertz Component under Frequency-Nondegenerate Parametric Down-Conversion}, author = {Sultanov, V. D. and Kuznetsov, K. A. and Leontyev, A. A. and Kitaeva, G. Kh.}, journal = {JETP Lett.}, volume = {112}, issue = {5}, pages = {269}, year = {2020}, doi = {10.1134/S0021364020170099}, url = {http://jetpletters.ru/ps/dx/10.31857/S1234567820170024}, note = {[Pisma v ZhETF 112, 297 (2020)]} }