High sensitivity interferential electro-optical modulator

Details High sensitivity interferential electro-optical modulator High sensitivity interferential electro-optical modulator

1985-01-09

1987-07-28

Cangialosi, Salvatore

Modulators

Amplitude modulator

Nonlinear device controlled by modulating signal

350 9614, 367131, 367134, H01S 100, G02B 514

Patent

active

046834486

ABSTRACT:
High sensitivity interferential electro-optical modulator. The invention concerns an interferential electro-optical modulator. This modulator contains a Mach-Zehnder integrated interferometer in which each interferometer arm (24, 26) is overlapped by an electrode (40, 42), itself surrounded by two lateral electrodes (44, 46, 48, 50) to uniformize the electrical field crossing through each arm perpendicular to the face of the electro-optical crystall on which it is formed. Application to the detection of accoustic waves and low voltage measurement.

REFERENCES:
patent: 3877781 (1975-04-01), Kaminow
patent: 4008947 (1977-02-01), Baues et al.
patent: 4056304 (1977-11-01), Phillips
patent: 4070094 (1978-01-01), Martin
patent: 4102579 (1978-07-01), Stewart
patent: 4264125 (1981-04-01), Shibata
patent: 4288785 (1981-09-01), Papuchon et al.
patent: 4300814 (1981-11-01), Carynco
patent: 4340272 (1982-07-01), Papuchon et al.
patent: 4381139 (1983-04-01), Alferness
patent: 4533207 (1985-08-01), Alferness
Applied Physics Letters vol. 33, No. 11, pp. 944-947, Dec. 1978.

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