Study of broadband multimode light via non-phase-matched sum frequency generation
Study of broadband multimode light via non-phase-matched sum frequency generation
复制标题
通过非相位匹配和频产生宽带多模光的研究
DOI:
10.1088/1367-2630/ab0a7c
复制
发表时间:
2019
影响因子:
3.3
通讯作者:
Maria Chekhova
中科院分区:
文献类型:
--
作者:
Denis Kopylov;Kirill Spasibko;Tatiana Murzina;Maria Chekhova
We propose non-phase-matched sum frequency generation (SFG) as a method for characterizing broadband multimode light. Both the central wavelength and the bandwidth are in this case not limited by the phase matching condition. As an example, we consider bright squeezed vacuum (BSV) generated through high-gain parametric down conversion (PDC). In the spectrum of SFG from BSV, we observe the coherent peak and the incoherent background. We show that the ratio of their widths is equal to the number of frequency modes in BSV, which in the case of low-gain PDC gives the degree of frequency entanglement for photon pairs. By generating the sum frequency in the near-surface region of a nonlinear crystal, we increase the SFG efficiency and get rid of the modulation caused by chromatic dispersion, known as Maker fringes. This allows one to use non-phasematched SFG as a wavelength-independent autocorrelator. Furthermore, we demonstrate efficient non-phase-matched three-and four-frequency summation of broadband multimode light, hardly possible under phase matching. We show that the latter contains the coherent peak while the former does not.
登录
查看更多内容
影响因子:
4
作者:
Chebotarev, Alexander M.;Teretenkov, Alexander E.
通讯作者:
Teretenkov, Alexander E.
DOI:
--
发表时间:
1987
期刊:
影响因子:
--
作者:
E. Kintzer;C. Rempel
通讯作者:
C. Rempel
DOI:
--
发表时间:
2009
期刊:
影响因子:
--
作者:
S. Sensarn;I. Ali;G. Yin;S. Harris
通讯作者:
S. Harris
DOI:
--
发表时间:
2015
期刊:
影响因子:
--
作者:
J. Peřina
通讯作者:
J. Peřina
影响因子:
3.6
作者:
K. Spasibko;D. Kopylov;T. Murzina;G. Leuchs;M. Chekhova
通讯作者:
M. Chekhova