A new method of fabricating multicore flat fiber (MCFF) is proposed. A 40-m long, 230-µm × 670-µm MCFF with six cores arranged in one row is demonstrated with polymer coating. The fabricated fiber with and without polymer coating can tolerate down to 1 and 2 cm of bending diameter, respectively. The intercore crosstalk over 40 m of MCFF is shown to be less than -74 dB. This method significantly simplifies fabrication of MCFF and provides rapid and flexible manufacturing of km-length MCFF for telecommunication applications.

We present two designs of all-solid photonic bandgap fiber for higher order bandgap suppression to realize a unique transmission window for optical filtering purpose. These two approaches are based on either applying a low refractive index core or a high refractive index background. This work describes direct calculations of different modes in high-index rods in the all-solid photonic bandgap fiber using the ARROW model for a double cladded step index fiber. The flat-top single-band bandpass filter obtained with potential center wavelength over UV, visible and IR region. We achieve the single-band bandpass filter with minimum pass band to rejection band ratio of 20 dB in core power. From the calculated performance, both analytical and simulation results are in good agreement with confinement loss calculation.

No abstract

No abstract