Title :
Polarization-independent low-crosstalk polymeric AWG-based tunable filter operating around 1.55 μm
Author :
Toyoda, Seiji ; Kaneko, Akito ; Ooba, N. ; Yamada, Hiroyoshi ; Kurihara, Takashi ; Okamoto, K. ; Imamura, Shun´ichi
Author_Institution :
NTT Photonics Labs., Ibaraki, Japan
Abstract :
A wavelength tunable optical filter is a beneficial optical component for dense wavelength-division-multiplexed systems. We report a high-performance polymeric arrayed-waveguide grating (AWG)-based tunable filter made of cross-linked silicone and operating around 1.55 μm. This filter exhibited a TE-TM polarization shift of <0.03, a crosstalk of <-35 dB, an insertion loss of <3 dB, and an 8.8-nm tuning range in the 25/spl deg/C-75/spl deg/C temperature region.
Keywords :
diffraction gratings; light polarisation; optical arrays; optical communication equipment; optical crosstalk; optical losses; optical polymers; optical tuning; optical waveguide filters; wavelength division multiplexing; 1.55 mum; 25 to 75 C; 3 dB; TE-TM polarization shift; cross-linked silicone; crosstalk; dense wavelength-division-multiplexed systems; high-performance polymeric arrayed-waveguide grating-based tunable filter; insertion loss; optical component; polarization-independent low-crosstalk; polymeric arrayed-waveguide grating-based tunable filter; temperature region; tunable filter; tuning range; wavelength tunable optical filter; Crosstalk; Gratings; Insertion loss; Optical devices; Optical filters; Optical losses; Optical polarization; Optical tuning; Polymers; Temperature distribution;
Journal_Title :
Photonics Technology Letters, IEEE
