Thermooptic planar polymer Bragg grating OADMs with broad tuning range

Tunable optical add/drop multiplexers (OADMs) were achieved by combining thermally tunable planar polymer Bragg gratings with optical circulators. The gratings exhibit better than 45-dB reflection with no detectable out-of-band reflection. Apodization was utilized to achieve strong sidelobe suppress...

Full description

Saved in:
Bibliographic Details
Published in:IEEE photonics technology letters 1999-04, Vol.11 (4), p.448-450
Main Authors: Eldada, L., Blomquist, R., Maxfield, M., Pant, D., Boudoughian, G., Poga, C., Norwood, R.A.
Format: Article
Language:English
Subjects:
Apodization
Bragg gratings
Channels
Circulators
Cladding
Diffraction gratings
Gratings (spectra)
Optical add-drop multiplexers
Optical films
Optical filters
Optical polymers
Optical refraction
Optical tuning
Optical variables control
Optical waveguides
Reflection
Tuning
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:Tunable optical add/drop multiplexers (OADMs) were achieved by combining thermally tunable planar polymer Bragg gratings with optical circulators. The gratings exhibit better than 45-dB reflection with no detectable out-of-band reflection. Apodization was utilized to achieve strong sidelobe suppression, and symmetric gratings with uniform strength across the core and cladding layers were used to minimize coupling to cladding modes. These OADMs have a high-bandwidth utilization (BWU) factor of 0.92, with a minimum channel spacing of 75 GHz. They are tunable at a rate of -0.256 nm//spl deg/C. Tuning over a 20-nm range was demonstrated with a single device.
ISSN:1041-1135
1941-0174
DOI:10.1109/68.752544