Integrated coherent transceivers for broad-band access networks

Integrated coherent transceivers for broad-band access networks

We proposed and demonstrated an integrated device with a simple structure that can perform both transmitting and receiving functions with very high receiving sensitivity. The device is composed of a tunable distributed-Bragg-reflector (DBR) laser as a local oscillator (LO) and an integrated detector...

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Veröffentlicht in:IEEE photonics technology letters 1997-11, Vol.9 (11), p.1526-1528, Article 1526
Hauptverfasser: Shih, M.H., Wang, L.M., Choa, F.S., Tanbun-Ek, T., Wisk, P., Tsang, W.T., Burrus, C.A.
Format: Artikel
Sprache:eng
Schlagworte:
Distributed Bragg reflectors
Laser modes
Optical fiber communication
Optical mixing
Optical receivers
Optical sensors
Semiconductor lasers
Space technology
Transceivers
Tunable circuits and devices
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Beschreibung
Zusammenfassung:We proposed and demonstrated an integrated device with a simple structure that can perform both transmitting and receiving functions with very high receiving sensitivity. The device is composed of a tunable distributed-Bragg-reflector (DBR) laser as a local oscillator (LO) and an integrated detector. An FSK receiver sensitivity of -43.4 dBm at 108 Mb/s was obtained. Multichannel operating characteristics were studied and it was found that systems with an operation channel spacing of 3 GHz can be realized. This device can be operated with either half-duplex or full-duplex mode for broad-band access applications.
ISSN:1041-1135
1941-0174
DOI:10.1109/68.634730