TE-TM mode converter

Details TE-TM mode converter TE-TM mode converter

1987-04-27

1988-10-11

Lee, John

350 9612, G02B 614

Patent

active

047766565

ABSTRACT:
A TE-TM mode converter utilizes a Y-cut lithium niobate crystal which includes a straight titanium-diffused channel extending along the Z-axis of the crystal. A parallel pair of electrodes lie symmetrically on opposite sides of the channel. a.c. and d.c. voltage supplies are connected to the electrodes to supply voltages so as to effect complete conversion from one direction of polarization to the other direction of polarization of a wave applied as an input to one end of the channel for abstraction at the opposite end.

REFERENCES:
patent: 4220395 (1980-09-01), Wang et al.
patent: 4533207 (1985-08-01), Alferness
patent: 4691984 (1987-09-01), Thaniyavarn
patent: 4732444 (1988-03-01), Papuchon et al.
Haruna et al., "An Efficient TE-TM Mode Converter Using a Z-Propagation LiNbO.sub.3 Waveguide", The Transactions of the IECE of Japan, vol. E 69, No. 4, Apr. 1986, pp. 418-419.

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