Light coupling and modulating means

Details Light coupling and modulating means Light coupling and modulating means

1978-02-02

1980-01-22

Corbin, John K.

350 9613, 350 9615, G02B 514

Patent

active

041847385

ABSTRACT:
A light coupler and modulator for an optical waveguide is formed using a slab of optically transmissive material having a higher index of refraction than the waveguide. The slab has tapered ends for receiving and transmitting light from and to the waveguide. An electrode is disposed over the slab for the application of modulating signals to the slab. When used as a coupler, the ends of two waveguides to be coupled also have tapered ends that are overlapped by the slab with the tapered ends of the slab extending beyond the taper of the waveguides.

REFERENCES:
patent: 3864019 (1975-02-01), Smolinsky et al.
patent: 3978426 (1976-08-01), Logan et al.
patent: 4006964 (1977-02-01), Mahlein et al.
patent: 4092060 (1978-05-01), Nunoshita et al.

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