With the oil and gas industry growing rapidly, increasing the yield and profit require
advances in technology for cost-effective production in key areas of reservoir exploration …

In this paper, we present a systematic study of ytterbium-doped pulsed fiber lasers, both Q-
switched and mode-locked, that emitted in switchable and tunable multi-wavelength states …

An improved erbium-doped fiber laser configuration for achieving single-polarization,
switchable dual-wavelength of orthogonal polarizations oscillations at room temperature is …

A suppressant effect of wavelength competition for multi-wavelength lasing oscillations is
experimentally demonstrated in an ordinary erbium-doped fiber laser (EDFL). The …

We propose and demonstrate a tunable multiwavelength erbium-doped fiber laser based on
a polarization-maintaining photonic crystal fiber (PM-PCF) Sagnac loop filter. Stable, room …

A switchable multi-wavelength erbium-doped fiber ring laser based on a compact in-fiber
Mach–Zehnder interferometer comb filter at room temperature is presented. The comb filter …

A single/dual-wavelength switchable bidirectional Q-switched fiber laser using a
bidirectional fiber polarizer is demonstrated. A 45° tilted fiber grating is used as a …

A switchable erbium-doped fiber-ring laser providing dual-wavelength outputs with
orthogonal polarizations when operating at room temperature is proposed. One polarization …

A picosecond pulse multi-wavelength erbium-doped fiber ring laser based on an optically
switchable/tunable Mach–Zehnder interferometer (MZI) filter is proposed and experimentally …

We demonstrated a 2-μm switchable dual-wavelength fiber laser with cascaded filter
structure based on dual-channel Mach–Zehnder interferometer and spatial mode beating …