Title :
Optical modulator bias monitoring with two-photon-absorption in Si-APD in advanced modulation formats optical transmitters
Author :
Tian, Cechan ; Naito, Takao
Author_Institution :
Photonics Networking Laboratory, Fujitsu Laboratories of America, Inc., Richardson, TX, USA
Abstract :
We have demonstrated more sensitive monitoring of modulator bias point with two-photon-absorption in Si-APD. For NRZ, RZ and CS-RZ signals, the sensitivity with TPA monitoring is at least double of that with power monitoring.
Keywords :
avalanche photodiodes; elemental semiconductors; optical fibre communication; optical modulation; optical transmitters; silicon; two-photon processes; CS-RZ; NRZ; RZ; Si; Si-APD; bias monitoring; optical modulator; optical transmitter; power monitoring; two-photon-absorption; High speed optical techniques; Monitoring; Optical control; Optical fiber networks; Optical fiber polarization; Optical modulation; Optical sensors; Optical signal processing; Optical transmitters; Voltage;
Conference_Titel :
Optical Fiber Communication Conference, 2006 and the 2006 National Fiber Optic Engineers Conference. OFC 2006
Print_ISBN :
1-55752-803-9
DOI :
10.1109/OFC.2006.215565
