Photonic diplex transceiver

Details Photonic diplex transceiver Photonic diplex transceiver

1996-03-15

1998-01-27

Bovernick, Rodney B.

Coherent light generators

Particular active media

Semiconductor

372 26, 372 96, 359113, 359114, 359152, H01S 319, H01S 310, H01S 308, H04B 1024

Patent

active

057128642

ABSTRACT:
A semiconductor photonic diplex transceiver includes a laser to generate a first optical signal having a certain wavelength and a photodetector to detect a second optical signal having another wavelength. The diplex transceiver also includes an absorber of the first signal disposed between the laser and the detector which form integral parts of an optical waveguide. The laser generates the first signal in the form of a continuous wave and is disposed between the absorber and a selective modulator of the first signal. This reduces the problems of optical and electrical crosstalk between the transmit and receive functions. Applications include user premises optical fiber transmit/receive equipments.

REFERENCES:
patent: 5031188 (1991-07-01), Koch et al.
patent: 5060235 (1991-10-01), Ikeda
patent: 5144637 (1992-09-01), Koch et al.
patent: 5170402 (1992-12-01), Ogita et al.
patent: 5274649 (1993-12-01), Hirayama et al.
M. Gibbon et al, "High-Speed Electroabsorption Modulator Monolithically Integrated with a 2X/8 DFB Laser and Back Monitor by Selective Area MPVPE" Proceedings Of European Conference On Optical Communication(EC, Montreux, Sep. 12-16, 1993, vol. 2, Sep. 12, 1993, Electrotechnical Association, pp. 325-328, XP 000492232.
Z.M. Chuang et al, "Photonic Initegrated Tunable Receivers with Optical Preamplifiers for Direct Dection", Applied Physics Letters, vol. 63, No. 7, 16 Aug. 1993, New York, US, pp. 880-882, XP 000388128.

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