Title :
Ultralow-noise infrared spectroscopy at single-photon level based on frequency upconversion system
Author :
Wenjie Wu ; Ruikai Tang ; Xiongjie Li ; Haifeng Pan ; Wu, E. ; Heping Zeng
Author_Institution :
State Key Lab. of Precision Spectrosc., East China Normal Univ., Shanghai, China
Abstract :
We realized an efficient infrared spectrometer with high detection sensitivity at single photon level by using the wavelength tunable frequency upconversion detection technique with synchronized laser source. This kind of spectrometers also can be used in remote spectrum analysis.
Keywords :
infrared spectroscopy; laser tuning; optical frequency conversion; optical wavelength conversion; remote sensing by laser beam; detection sensitivity; infrared spectrometer; remote spectrum analysis; single-photon level; synchronized laser source; ultralow-noise infrared spectroscopy; wavelength tunable frequency upconversion detection technique; Bandwidth; Frequency synchronization; Hydrogen; Laser excitation; Optical fiber amplifiers; Photonics; Spectroscopy;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2015 Conference on
Conference_Location :
San Jose, CA