Optical: systems and elements – Optical modulator – Light wave temporal modulation
Patent
1995-10-23
1998-10-20
Hellner, Mark
Optical: systems and elements
Optical modulator
Light wave temporal modulation
385 2, G02F 103
Patent
active
058255249
ABSTRACT:
The invention relates to an transverse electric mode electro-optic cell for a modulator, as well as to its production process.
The cell has on a substrate (4), an active region (10), and modulation control electrodes (16) on either side of the active region (10). According to the invention, the cell has confinement regions (14) of a material having a lower refractive index and lower resistivity than the material of the active region, the confinement regions being positioned on either side and against the active region (10) and between the control electrodes (16).
REFERENCES:
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patent: 5396363 (1995-03-01), Valette
patent: 5548668 (1996-08-01), Schaffner
"A New Electro-Optic Modulator Based On Nonlinear Polymers and Silicon Nitride Working In Transverse Electrical Configuration", Faderl, I. et al., LETI (CEA-Technologies Avancees), Nov. 1993, Int. Conf. Hybrid Materials, Bierville (F).
"A Fabrication Process For The Integration and Passivation Of An Electro-Optic Polymer in an Integrated Optics Circuit", Faderl, I. et al., LETI (CEA-Technologies Advancees), Jan. 1994, ICONO 1, Val Thorens (F).
"Polarization-Independent Integrated Electro-Optic Phase Modulator in Polymers", A. Brauer, et al., Fraunhofer-Institution for Applied Optics and Precision Mechanics, Conference SPIE 2042 Optics Quebec 93.
"20 GHz Electro-Optic Polymer Mach-Zehnder Modulator", D.G. Girton et al., Appl. Phys. Lett. 58, Apr. 1991, pp. 1730-1732.
"Travelling-Wave Polymeric Optical Intensity Modulator With More Than 40 GHz of 3dB Electrical Bandwidth", C.C. Teng, Appl. Phys. Lett. 60, Mar. 1992, pp. 1538-1540.
Faderl Ingo
Valette Serge
Commissariat a l''Energie Atomique
Hellner Mark
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