Tunable Single Polarization Yb~(3+)-doped Fiber Ring Laser by using Intra-cavity Tilted Fiber Bragg Grating

摘要

A tunable single polarization Yb~(3+)-doped fiber laser using 45° tilted fiber Bragg grating is demonstrated. It generates high degree of polarization (>99.86%) 1.06μm laser with 25 nm wavelength tuning range. This 45° tilted fiber Bragg grating was fabricated using a zero-order-nulled phase mask. It has a near constant polarization-dependent loss (PDL) across a wide wavelength range (1030 to 1080 nm).