Method for fabricating an optical controlled resonant tunneling

Fishing – trapping – and vermin destroying

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437127, 437133, H01L 3118

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056703856

ABSTRACT:
An optical controlled resonant tunneling oscillator utilizing variation of a resonant tunneling oscillator in accordance with a negative differential resistance, a series resistance and a static capacitance varied in response to the intensity of light when light is incident on a resonant tunneling device having a double barrier quantum well structure and a method for fabricating the same are disclosed. The oscillator modulates the frequency over 2 or 3 levels in response to the intensity of incident light as compared to a conventional photoelectric system that modulates the frequency in response to the ON/OFF electric signal, thereby simplifying the system. The oscillator controls the resonant tunneling at high speed level with light enably processing a signal from tens to hundreds of GHz.

REFERENCES:
patent: 4973858 (1990-11-01), Chang
patent: 5126553 (1992-06-01), England et al.
patent: 5144261 (1992-09-01), Harvey et al.
patent: 5416338 (1995-05-01), Suzuki et al.
patent: 5446293 (1995-08-01), Chu et al.
Phase locking between light pulses and a resonant tunneling diode oscillator (Appl.Phys.Lett. 62(1).4 Jan. 1993) pp. 13,14 &15.

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