Photonics Research, Volume. 4, Issue 2, 0035(2016)
Periodic structural defects in Bragg gratings and their application in multiwavelength devices
Fig. 1. (a) Schematic and (b) transmission spectra of the uniform Bragg grating with PSDs and without PSDs.
Fig. 2. 2D transmission spectra when the relative defect size is changed from
Fig. 3. 2D transmission spectra when the period of defects is changed from 1.0 to 10 μm.
Fig. 4. (a) Bragg wavelengths of 0 and
Fig. 5. Comparison of the actual fabrication patterns utilized in an eight-wavelength grating array without PSDs and with PSDs.
Fig. 6. (a) Transmission spectra of the PSD-based eight-wavelength
Fig. 7. RGS versus occupation ratio of the grating-stitched method. A schematic of a sample unit of the stitched grating is shown in the inset.
Fig. 8. Lasing spectrum, power [inset (I)], and gain [inset (II)] distribution along the cavity of DFB lasers with PSDs and without PSDs.
|
|
|
Get Citation
Copy Citation Text
Rulei Xiao, Yuechun Shi, Renjia Guo, Ting Chen, Lijun Hao, Xiangfei Chen. Periodic structural defects in Bragg gratings and their application in multiwavelength devices[J]. Photonics Research, 2016, 4(2): 0035
Received: Nov. 9, 2015
Accepted: Jan. 6, 2016
Published Online: Sep. 28, 2016
The Author Email: Yuechun Shi (shiyc@nju.edu.cn)