Optical Fiber Communication Conference and National Fiber Optic Engineers Conference 2009
DOI: 10.1364/ofc.2009.omk6
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An Integrated InP Coherent Receiver for 40 and 100 Gb/Sec Telecommunications Systems

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Cited by 16 publications
(16 citation statements)
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“…Fig. 3(a) indicates that light is recovered to output channel 1 to 4 uniformly as the self-imaging method for single input from port 1 or 3, and the common-mode rejection ratio (CMRR) is represented the nonuniformity of I/Q channel which is defined as, À 20log[|P 1 À P 4 |/|P 1 þP 4 |]/ À 20log[|P 2 À P 3 |/|P 2 þP 3 |], where P 1/2/3/4 are the output power of output channel 1/2/3/4 [16]. If signal and local oscillator are inputted simultaneously, interference will occur in the multimode waveguide, and the power of output signal will oscillate with the phase difference between the two input light beams which can be seen in Fig.…”
Section: Simulation Of the 90°hybridmentioning
confidence: 99%
“…Fig. 3(a) indicates that light is recovered to output channel 1 to 4 uniformly as the self-imaging method for single input from port 1 or 3, and the common-mode rejection ratio (CMRR) is represented the nonuniformity of I/Q channel which is defined as, À 20log[|P 1 À P 4 |/|P 1 þP 4 |]/ À 20log[|P 2 À P 3 |/|P 2 þP 3 |], where P 1/2/3/4 are the output power of output channel 1/2/3/4 [16]. If signal and local oscillator are inputted simultaneously, interference will occur in the multimode waveguide, and the power of output signal will oscillate with the phase difference between the two input light beams which can be seen in Fig.…”
Section: Simulation Of the 90°hybridmentioning
confidence: 99%
“…Integrated transmitter and receivers that work with QPSK modulation format were already reported. [17] [18].From this state of the art literature one can deduct that the use of advanced formats of modulation such as QPSK will be the next trend in the development of optical transceivers and systems.…”
Section: Photonic Integrated Circuit Componentsmentioning
confidence: 99%
“…It would occupy less room on the chip, offer more stability to the chip and would be less complex because it would not require the active control loop. An integrated wideband device with this architecture was already fabricated and tested [49]. However, the spot size converter that must be used for integration is not available in the SMARTPhotonics foundry thus the choice was a 3-dB coupler & phase delay.…”
Section: Devicementioning
confidence: 99%
“…In their receiver, 90 • optical hybrids are absolutely essential for retrieving in-phase and quadrature (I and Q) components from optical signals. Thus, waveguide-type 90 • hybrids are now attracting considerable attention because of their potential for providing ultra-compact optical receivers [1,2,3]. Various kinds of 90 • hybrids have been reported in waveguides made of several different materials, including silica, LiNbO 3 , InP and silicon-on-insulator.…”
Section: Introductionmentioning
confidence: 99%