Abstract—A novel all-optical fiber isolator with 14 dB isolation
at 660 nm was demonstrated using the CdSe quantum dots doped
optical fiber, which was fabricated by using the modified chemical
vapor deposition and high temperature drawing processes. The
Faraday rotation angle of 45 degrees was obtained at the fiber
length of 183 cm under the magnetic field of 0.119 T.
Index Terms—Faraday effect, fiber isolator, optical fiber,
quantum dots.