Silica waveguide DQPSK demodulator with wide operation range enhanced by using stress release grooves

IEEE Photonics Technology Letters

Volumn 21, Issue 13, 2009, Pages 938-940

  Sakamaki, Yohei ^a   Nasu, Yusuke ^a   Hashimoto, Toshikazu ^a   Hattori, Kuninori ^a   Inoue, Yasuyuki ^a   Takahashi, Hiroshi ^a  

^a NTT CORPORATION   (Japan)

Author keywords

Differential quadrature phase shift keying (DQPSK); Mach Zehnder interferometer (MZI); Optical planar waveguides

Indexed keywords

DEPENDENT FREQUENCIES; DIFFERENTIAL QUADRATURE PHASE-SHIFT KEYING; DIFFERENTIAL QUADRATURE PHASE-SHIFT KEYING (DQPSK); OPERATION RANGE; OPTICAL PLANAR WAVEGUIDES; POWER CONSUMPTION; SILICA WAVEGUIDE; STRESS RELEASE; THERMOOPTIC EFFECTS;

DEMODULATORS; FREQUENCY BANDS; INTEGRATED OPTOELECTRONICS; INTERFEROMETRY; MACH-ZEHNDER INTERFEROMETERS; MASKS; OPTICAL INSTRUMENTS; OPTICAL SWITCHES; PHASE SHIFT; PLANAR WAVEGUIDES; SILICA;

QUADRATURE PHASE SHIFT KEYING;

EID: 67649574245     PISSN: 10411135     EISSN: None     Source Type: Journal    
DOI: 10.1109/LPT.2009.2020807     Document Type: Article

References (13)

1. D. B. van den, S. L. Jansen, E. Gottwald, E. D. Schmidt, G. D. Khoe, and H. de Waardt, "DQPSK modulation for robust optical transmission," in Proc. OFC 2008, San Diego, CA, Paper OMQ1.
2. T. Kataoka, S. Matsuoka, T. Matsuda, H. Maeda, N. Sakaida, T. Kubo, T. Kotanigawa, and T. Kawasaki, "Field transmission by using a commercially-ready 43 Gbit/s DWDM system employing RZ-DQPSK transponders in high PMD installed fiber," in Proc. OFC 2006, Anaheim, CA, Paper JThA45.
3. H. Kawakami, E. Yoshida, Y. Miyamoto, and M. Oguma, "Analysing the penalty induced by PDλ of MZI in DQPSK receiver using novel measuring technique," Electron. Lett., vol. 43, no. 2, pp. 122-124, 2007.
4. Z. Tao, A. Isomura, T. Hoshida, and J. C. Rasmussen, "Dither-free, accurate, and robust phase offset monitor and control method for optical DQPSK demodulator," in Proc. ECOC 2007, Berlin, Germany, Paper 3.5.2.
5. J. Hsieh, C. Ai, V. Chien, X. Liu, A. H. Gnauck, and X. Wei, "Athermal demodulator for 42.7-Gb/s DPSK signals," in Proc. ECOC 2005, Glasgow, Scotland, Paper Th1.5.6.
6. Y. K. Lize, M. Faucher, E. Jarry, P. Ouellette, E. Villeneuve, A. Wetter, and F. Seguin, "Phase-tunable low-loss, S-, C-, and L band DPSK and DQPSK demodulator," IEEE Photon. Technol. Lett., vol. 19, no. 23, pp. 1886-1888, Dec. 1, 2007.
7. C. R. Doerr, D. M. Gill, A. H. Gnauck, L. L. Buhl, P. J. Winzer, M. A. Cappuzzo, A. Wong-Foy, E. Y. Chen, and L. T. Gomez, "Monolithic demodulator for 40-Gb/s DQPSK using a star coupler," J. Lightw. Technol., vol. 24, no. 1, pp. 171-174, Jan. 2006.
8. Y. Nasu, M. Oguma, H. Takahashi, Y. Inoue, H. Kawakami, and E. Yoshida, "Polarization insensitive MZI-based DQPSK demodulator with asymmetric half-wave plate configuration," in Proc. OFC 2008, San Diego, CA, Paper OThE5.
9. T. Hashimoto, Y. Nasu, Y. Sakamaki, K. Hattori, Y. Inoue, H. Takahashi, H. Kawakami, and E. Yoshida, "Compact DQPSK demodulator with interwoven double Mach-Zehnder interferometer using planar lightwave circuit," in Proc. ECOC 2008, Brussels, Belgium, Paper Mo.3.C.2.
10. Y. Sakamaki, Y. Nasu, T. Hashimoto, K. Hattori, Y. Inoue, and H. Takahashi, "Operation range enhancement of silica waveguide 43 Gbit/s dqpsk demodulator by using stress release grooves," in Proc. LEOS 2008, Newport Beach, CA, Paper WE2.
11. M. Kawachi, "Silica waveguides on silicon and their application to integrated-optic components," Opt. Quantum Electron., vol. 22, pp. 391-416, 1990.
12. P. P. Sahu, "Polarization independent thermally tunable erbium-doped fiber amplifier gain equalizer using a cascaded Mach-Zehnder coupler," Appl. Opt., vol. 47, pp. 718-724, 2008.
13. P. P. Sahu, "Polarization insensitive thermally tunable add/drop multiplexer using cascaded Mach-Zehnder coupler," Appl. Phys. B, vol. B92, pp. 247-252, 2008.