Title :
Squeezed vacuum pulse generation with third-order optical nonlinearity in short glass fibers and QPM-PPLN
Author :
Kannari, Fumihiko ; Hirosawa, Kenichi
Author_Institution :
Dept. of Electron. & Electr. Eng., Keio Univ., Yokohama, Japan
Abstract :
Squeezed vacuum up to -1.7 dB is generated with chi(3) nonlinearity caused by cascaded chi(2) nonlinearity in a quasi-phase-matched (QPM) PPLN crystal placed in a Sagnac interferometer with 1550 nm femtosecond laser pulses.
Keywords :
Sagnac interferometers; glass fibres; lithium compounds; magnesium compounds; optical fibres; optical glass; optical harmonic generation; optical parametric oscillators; optical phase matching; optical pulse generation; optical pumping; optical squeezing; LiNbO3:MgO; Sagnac interferometer; cascaded chi(2) nonlinearity; femtosecond laser pulses; femtosecond laser pumping; optical parametric oscillator; periodically-poled lithium niobate; quasiphase-matched crystal; second harmonics generation; short glass fibers; squeezed vacuum pulse generation; third-order optical nonlinearity; wavelength 1550 nm; Glass; Optical fibers; Optical frequency conversion; Optical pulse generation; Optical pulses; Pulse amplifiers; Pulse generation; Pump lasers; Quantum cascade lasers; Sagnac interferometers; QPM; Squeezed state; Ultrafast nonlinear optics;
Conference_Titel :
Lasers & Electro Optics & The Pacific Rim Conference on Lasers and Electro-Optics, 2009. CLEO/PACIFIC RIM '09. Conference on
Conference_Location :
Shanghai
Print_ISBN :
978-1-4244-3829-7
Electronic_ISBN :
978-1-4244-3830-3
DOI :
10.1109/CLEOPR.2009.5292115
