Polarization independent electro-optic modulator

XS Yao - US Patent 5,654,818, 1997 - Google Patents
A polarization insensitive electro-optic modulator is constructed by providing a polarization
beamsplitter to separate an incoming light beam into two orthogonally plane polarized …

High-speed polarization-insensitive electro-optic modulator

F Wang, Y Zou, P Melman, H Jiang - US Patent 6,175,667, 2001 - Google Patents
2. Background Great efforts have been made to obtain polariZation insensitive optical
devices in? ber-optic communication systems, Which include modulators, sWitches …

High efficiency light modulation system

S Fred - US Patent 3,302,028, 1967 - Google Patents
The term laser is a name used to refer to a device which provides “light amplification by
stimulated emis sion of radiation.'The laser device is commonly used as a source of …

High-speed electro-optic modulator

Q Chen, GY Wang, P Melman, K Zou, H Jiang… - US Patent …, 2002 - Google Patents
An optical modulator is provided to control the intensity of a transmitted or re? ected light. In
a transmission mode, a separator splits arbitrarily polarized light into two polariza tion rays …

System and method utilizing an electrooptic modulator

P Govil, J Tsacoyeanes - US Patent App. 11/039,900, 2006 - Google Patents
According to one embodiment of the present inven tion, a system includes an electro-optical
modulator for use in a lithography tool. The system comprises at least one optical element …

Method and apparatus for electro-optical phase detection

LM Peterson - US Patent 4,957,362, 1990 - Google Patents
The present invention detects the difference in phase between the modulation of a received
optical beam and a reference RF signal or a second modulated optical beam. The received …

Electro-optic modulator with continuously adjustable chirp

K Prosyk, I Betty - US Patent 6,650,458, 2003 - Google Patents
An electro-optic modulator having a continuously adjustable (21) Appl. No.: 10/254,594
chirp is provided. Optical signals input into the electro-optic modulator are divided into …

Modulator stabilization circuits

OE De Lange - US Patent 3,579,145, 1971 - Google Patents
US3579145A - Modulator stabilization circuits - Google Patents US3579145A - Modulator
stabilization circuits - Google Patents Modulator stabilization circuits Download PDF Info …

Wavelength selective switch

ER Ranalli, BA Scott - US Patent 6,285,500, 2001 - Google Patents
SUMMARY OF THE INVENTION A wavelength Selective Switch is disclosed that includes
an optical System that is Symmetric about a polarization modulator and capable of …

Electro-optic intensity modulator with improved linearity

WSC Chang, ML Farwell - US Patent 5,309,532, 1994 - Google Patents
The improved intensity modulator comprises a directional coupler with a single active
coupling section with a fixed amount of coupling along with a single pair of electrodes for …