Polarization independent thermally tunable erbium-doped fiber amplifier gain equalizer using a cascaded Mach-Zehnder coupler

Applied Optics

Volumn 47, Issue 5, 2008, Pages 718-724

  Sahu, P P ^a  

^a TEZPUR UNIVERSITY   (India)

Author keywords

[No Author keywords available]

Indexed keywords

ATTENUATION EQUALIZERS; GAIN MEASUREMENT; LIGHT POLARIZATION; MACH-ZEHNDER INTERFEROMETERS; MATHEMATICAL MODELS; REFRACTIVE INDEX;

ERBIUM-DOPED FIBER AMPLIFIER (EDFA); GAIN EQUALIZERS; MACH-ZEHNDER COUPLERS;

FIBER AMPLIFIERS;

EID: 42549124195     PISSN: 1559128X     EISSN: 15394522     Source Type: Journal    
DOI: 10.1364/AO.47.000718     Document Type: Article

References (19)

1. M. Menif, L. A. Rusch, and M. Karasek, "Application of preemphasis to achieve flat output OSNR in time-varying channels in the cascaded EDFAs without equalization," J. Lightwave Technol. 19, 1440-1452 (2001).
2. B. J. Offrein, F. Horst, G. L. Bona, R. Germann, H. W. M. Salemink, and R. Beyeler, "Adaptive gain equalizer in high index contrast SiON technology," IEEE Photon. Technol. Lett. 12, 504-506 (2000).
3. L. Tancevski, A. Bononi, and L. A. Rusch, "Output power and SNR swings in cascades of EDFAs for circuit packet switched optical networks," J. Lightwave Technol. 17, 733-742 (1999).
4. M. Karasek and J. A. Valles, "Analysis of channel addition/ removal response in all-optical gain-controlled cascade of erbium-doped fiber amplifiers," J. Lightwave Technol. 16, 1795-1803 (1998).
5. C. R. Doerr, M. Cappuzzo, E. Lakowski, A. Paunescu, L. Gomez, L. W. Stulz, and J. Gates, "Dynamic wavelength equalizer in silica using the single filtered arm interferometer," IEEE Photon. Technol. Lett. 11, 581-583 (1999).
6. Y. P. Li, C. H. Henry, E. J. Laskowski, C. Y. Mak, and H. H. Yaffe, "Waveguide EDFA gain equalization filter," Electron. Lett. 31, 2005-2006 (1995).
7. M. Birk, A. K. Srivastava, G. Wilson, J. Ye, L. Chen, Y. Cao, I. White, P. Lu, M. Santo, A. Carra, C. Wang, S. Cabot, M. Daeveincentis, R. Monnhard, M. Brodsky, and N. Frigo, "System margin enhancement in terabit capacity systems using an integrated EDFA with dynamic gain equalizer," in Optical Fiber Communication Conference and Exhibit (OFC, 2002) (IEEE, 2002), pp. 755-766, paper ThGG101.
8. J.-Y. Pan, M. A. Ali, A. F. Elrfaie, and R. E. Wagner, "Multi-wavelength fiber-amplifier cascades with equalization employing Mach-Zehnder optical filter," IEEE Photon. Technol. Lett. 7, 1501-1503 (1995).
9. T. Saida, K. Okamoto, K. Takiguchi, and T. Shibala, "Dynamic gain equalization filter on integrated optical transversal filter with asymmetric combiner," Electron. Lett. 38, 560-561 (2002).
10. P. P. Sahu, "Thermally tunable EDFA gain equalizer using point symmetric cascaded Mach-Zehnder coupler," Opt. Commun. 281, 573-579 (2008).
11. A. Sugita, K. Jinguji, N. Takato, K. Katoh, and M. Kawachi, "Bridge-suspended silica wave-guide thermooptic phase shifter and its application to Mach-Zehnder type optical switch," Trans. Inst. Electron. Inf. Commun. Eng. C-I E73, 105-109 (1990).
12. A. K. Das and P. P. Sahu, "Minimization of heating power for thermooptic waveguide type devices," J. Opt. 32, 151-167 (2003).
13. Y. Inoue, K. Katoh, and M. Kawachi, "Polarization sensivity of a silica waveguide thermooptic phase shifter for planar lightwave circuits," IEEE Photon. Technol. Lett. 4, 36-38 (1992).
14. B. J. Offrein, D. Jubin, T. Koseter, T. Brunschwiler, F. Horst, D. Wiesmann, I. Meijer, M. Sousa Petit, D. Webb, R. Germann, and G. I. Bona, "Polarization independent thermooptic phase shifter in silicon oxinitride waveguides," IEEE Photon. Technol. Lett. 16, 1483-1485 (2004).
15. Y. Hida, N. Takato, and K. Jinguji, "Wavelength division multiplexer with wide passband and stop band for 1.3 μm/1.55 μm using silica based planar lightwave circuit," Electron. Lett. 31, 1377-1378 (1995).
16. M. Kuznetsov, "Cascaded coupler Mach-Zehnder channel dropping filters for wavelength division multiplexed optical system," J. Lightwave Technol. 12, 225-230 (1994).
17. A. K. Das and P. P. Sahu, "Compact integrated optical devices using high index contrast waveguides," in 2006 IFIP International Conference on Wireless and Optical Communications Networks (IEEE, 2006), IEEExplore Digital No. 1666673.
18. P.P. Sahu, "Silicon oxinitride: a material for compact waveguide device," Indian J. Pure Appl. Phys. 82, 137-143 (2008).
19. H. Nishihara, M. Haruna, and T. Suhara, Optical Intagrated Circuits (McGraw-Hill, 1989).