title: Octave-spanning spectrum of femtosecond Yb:fiber ring laser at 528 MHz repetition rate in microstructured tellurite fiber.
abstract: The octave-spanning spectrum was generated in a tellurite glass based microstructured fiber pumped by a 528 MHz repetition rate Yb:fiber ring laser without amplification. The laser achieved 40% output optical-to-optical efficiency with the output power of 410 mW. By adjusting the grating pair in the cavity, this oscillator can work at different cavity dispersion regimes with the shortest dechirped pulse width of 46 fs. The output pulses were then launched into a high-nonlinearity tellurite fiber, which has the zero-dispersion wavelength at ~1 μm. The high nonlinearity coefficient (1348 km⁻¹W⁻¹) and the matched zero-dispersion wavelength with pump laser enable the octave-spanning supercontinuum generated from 750 nm to 1700 nm with the coupled pulse energy above 10 pJ.
authors.affiliation: State Key Laboratory of Advanced Optical Communication System and Networks, School of Electronics Engineering and Computer Science, Peking University, Beijing 100871, China.
authors.forename: Guizhong
authors.initials: G
authors.lastname: Wang
authors.forename: Tongxiao
authors.initials: T
authors.lastname: Jiang
authors.forename: Chen
authors.initials: C
authors.lastname: Li
authors.forename: Hongyu
authors.initials: H
authors.lastname: Yang
authors.forename: Aimin
authors.initials: A
authors.lastname: Wang
authors.forename: Zhigang
authors.initials: Z
authors.lastname: Zhang
mesh_terms: D004867:Equipment Design; D019544:Equipment Failure Analysis; D005336:Fiber Optic Technology / Q000295:instrumentation*; D007834:Lasers; D008904:Miniaturization; D012815:Signal Processing, Computer-Assisted / Q000295:instrumentation*; D013685:Telecommunications / Q000295:instrumentation*; D013691:Tellurium / Q000737:chemistry*
chemical_list: C026660:tellurous acid; D013691:Tellurium