Title :
Operation range enhancement of silica waveguide 43 Gbit/s DQPSK demodulator by using stress release grooves
Author :
Sakamaki, Yohei ; Nasu, Yusuke ; Hashimoto, Toshikazu ; Hattori, Kuninori ; Inoue, Yasuyuki ; Takahashi, Hiroshi
Author_Institution :
NTT Photonics Labs., NTT Corp., Atsugi
Abstract :
A 43 Gbit/s DQPSK demodulator is demonstrated with a wide operational bandwidth enhanced by birefringence control achieved using stress release grooves. The demodulator exhibits a sufficiently low PDf over the C and L bands.
Keywords :
birefringence; demodulators; differential phase shift keying; integrated optics; optical communication equipment; optical planar waveguides; quadrature phase shift keying; silicon compounds; DQPSK demodulator; SiO2; birefringence control; bit rate 43 Gbit/s; differential quadrature phase-shift keying; operation range enhancement; optical communication systems; polarization dependent frequency shift; silica waveguide; stress release grooves; Bandwidth; Birefringence; Demodulation; Frequency; Optical polarization; Optical waveguides; Silicon compounds; Stress control; Tellurium; Wavelength measurement;
Conference_Titel :
IEEE Lasers and Electro-Optics Society, 2008. LEOS 2008. 21st Annual Meeting of the
Conference_Location :
Acapulco
Print_ISBN :
978-1-4244-1931-9
Electronic_ISBN :
978-1-4244-1932-6
DOI :
10.1109/LEOS.2008.4688684
