ANALYSIS OF A LAMBDA 4-PHASE-SHIFTED DOUBLE PHASE-SHIFT-CONTROLLED DISTRIBUTED-FEEDBACK WAVELENGTH TUNABLE OPTICAL FILTER/

Authors
GHAFOURISHIRAZ H LEW SH KOBAYASHI S KAMATA IN YAMADA K
Citation
H. Ghafourishiraz et al., ANALYSIS OF A LAMBDA 4-PHASE-SHIFTED DOUBLE PHASE-SHIFT-CONTROLLED DISTRIBUTED-FEEDBACK WAVELENGTH TUNABLE OPTICAL FILTER/, IEEE journal of quantum electronics, 33(4), 1997, pp. 556-561
Citations number
16
Categorie Soggetti
Engineering, Eletrical & Electronic","Physics, Applied
Journal title
IEEE journal of quantum electronics → ACNP
ISSN journal
00189197
Volume
33
Issue
4
Year of publication
1997
Pages
556 - 561
Database
ISI
SICI code
0018-9197(1997)33:4<556:AOAL4D>2.0.ZU;2-D
Abstract
We have proposed a new lambda/4-phase-shifted double phase-shift-contr olled distributed feedback wavelength tunable optical filter structure . Theoretical analysis based on the transfer matrix method reveals tha t this filter can achieved a wavelength tuning range of 28.3 and 34.3 Angstrom for the grating coupling coefficients of 6 and 10 mm, respect ively, The filter has almost constant peak transmissivity (gain) of mo re than 30 db within its tuning range, and its side-mode suppression r atio (SMSR) ranges from 15 to 34.7 dB.