We demonstrate an all-fiber acousto-optic tunable bandpass filter exhibiting narrow optical
bandwidth and negligible polarization dependence by employing a novel ultraviolet (UV) …

An electrically tunable bandpass filter is designed and fabricated by integrating two solid-
core photonic crystal fibers filled with different liquid crystals in a double silicon v-groove …

A three-dimensional index-stress distribution (3DISD) measurement method for determining
concurrently the refractive-index distributions (RIDs) and residual-stress distributions (RSDs) …

Active mode-locking of an all-fiber ring laser by transmittance modulation of an in-fiber
acousto-optic tunable bandpass filter (AOTBF) is reported. Cavity loss modulation is …

A novel technique for determining two-dimensional, cross-sectional stress distributions in
optical fibers and fiber-based devices is presented. Use of the Brace-Köhler compensator …

We investigate acousto-optic long period grating resonances in a fluid-filled solid-core
photonic bandgap fiber (PBGF). The acoustic grating design enables electrically tunable …

We investigate in detail the origin of multiple resonance peaks experimentally observed in
an all-fiber acousto-optic tunable filter built with a photonic crystal fiber having slightly …

Active Q-switching of an all-fiber ring laser utilizing a novel in-fiber acousto-optic tunable
bandpass filter (AOTBF) is reported. The transmission characteristics of the AOTBF are …

The effect of axial variations in acoustooptic phase-mismatch coefficient of a two-mode
birefringent photonic crystal fiber (PCF) is studied experimentally using two different …

Liquid crystal photonic bandgap (LCPBG) fibers provide a versatile and robust platform for
designing optical fiber devices, which are highly tunable and exhibit novel optical properties …