1991
DOI: 10.1049/el:19911201
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Balanced polarisation diversity receiver using hybrid assembly techniques for optical coherent multichannel systems

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Cited by 11 publications
(3 citation statements)
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“…If the laser is not integrated, both a SMF fiber and a PMF fiber need to be coupled to the PIC simultaneously using, for example, a Si V-groove technique as used by GMMT [28]. If photodetectors are not integrated, such as in the versions made by AT&T [22], NTT [23], CNET [27], and HHI [29], then the output waveguides must be coupled to four fibers, which has not been reported so far, or quad photodetectors need to be packaged together with the hybrid as was reported by HHI [35].…”
Section: Monolithically Integratedmentioning
confidence: 99%
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“…If the laser is not integrated, both a SMF fiber and a PMF fiber need to be coupled to the PIC simultaneously using, for example, a Si V-groove technique as used by GMMT [28]. If photodetectors are not integrated, such as in the versions made by AT&T [22], NTT [23], CNET [27], and HHI [29], then the output waveguides must be coupled to four fibers, which has not been reported so far, or quad photodetectors need to be packaged together with the hybrid as was reported by HHI [35].…”
Section: Monolithically Integratedmentioning
confidence: 99%
“…But even if photodetectors are integrated with the hybrid, the high-frequency behavior will still be limited by the electrical connection between the photodetectors and the front-end electronics. If SMA connectors are used between the photodetectors and the electronic front-end, a cutoff frequency of 6 GHz is still achievable (Bellcore [30]), but optimum highfrequency behavior actually requires that either the electronic front-end is placed inside the package (5 GHz, GMMT [28]) or that FET's are integrated as well (1 GHz, HHI [42]).…”
Section: Monolithically Integratedmentioning
confidence: 99%
“…Specific efforts are dedicated to the integration of balanced detectors, the integration of balanced detectors and electronics [52], 1621, [63], integration of detectors and passive optical components [64] and the realization of planar diversity circuits [65]- [67].…”
Section: Long Term Operationmentioning
confidence: 99%