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Selfconfiguring optical fibre-tap/photodetector modulator with very high photodetection efficiency and high extinction ratio

Selfconfiguring optical fibre-tap/photodetector modulator with very high photodetection efficiency and high extinction ratio

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A high-contrast, multiquantum well reflection modulator in series with a constant current source, gives a very efficient photodetector which only absorbs optical power in proportion to the fixed current. Excess optical power is reflected and can be passed on, via waveguide or free-space interconnects to other optical ‘taps’ in a daisy chain configuration.

References

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      • D.A.B. Miller . Quantum-well self-electro-optic effect devices. Opt. & Quantum Electron. , S61 - S98
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      • D.A.B. Miller , D.S. Chemla , T.C. Damen , T.H. Wood , C.A. Burrus , A.C. Gossard , W. Wiegmann . The quantum well self-electrooptic effect device: optoelectronic bistability and oscillation and self-linearized modulation. IEEE J. Quantum Electron. , 1462 - 1475
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      • M. Whitehead , A. Rivers , G. Parry . Low-voltage multiple quantum well reflection modulator with > 100 :1 on : off ratio. Electron. Lett. , 984 - 985
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      • Fox, A.M., Miller, D.A.B., Livescu, G., Cunningham, J.E., Jan, W.Y.: `Carrier sweep-out from quantum wells in an electric field', Tech. Dig. Series, 1991, Washington, DC, Optical Society of America, 7, p. 260–263, Quantum Optoelectronics, 1991.
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      • A.L. Lentine , H.S. Hinton , D.A.B. Miller , J.E. Henry , J.E. Cunningham , L.M.F. Chirovsky . Symmetric self electro-optic effect device: optical set-reset latch. Appl. Phys. Lett. , 1119 - 1121
    7. 7)
      • P. Zouganeli , M. Whitehead , P.J. Stevens , A.W. Rivers , G. Parry , J.S. Roberts . High tolerances for a low voltage, high contrast, low insertion loss asymmetric fabry-Perot modulator. Photonics Technol. Lett. , 8 , 733 - 735
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