Wooram Lee
contact information
Research Staff Member - RF Circuits & SystemsThomas J. Watson Research Center, Yorktown Heights, NY USA +1
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2018
Using common mode local oscillator termination in single-ended commutating circuits for conversion gain improvement
Lee, Wooram and Plouchart, Jean-Olivier and Garcia, Alberto Valdes
US Patent App. 15/197,058
Abstract
Lee, Wooram and Plouchart, Jean-Olivier and Garcia, Alberto Valdes
US Patent App. 15/197,058
Abstract
Degenerated transimpedance amplifier with wire-bonded photodiode for reducing group delay distortion
Lee, Wooram and Proesel, Jonathan E
US Patent 9,866,184
Abstract
Lee, Wooram and Proesel, Jonathan E
US Patent 9,866,184
Abstract
2017
Coupled oscillators
Ferriss, Mark A and Friedman, Daniel J and Lee, Wooram and Sadhu, Bodhisatwa and Garcia, Alberto Valdes
US Patent 9,735,732
Abstract
Ferriss, Mark A and Friedman, Daniel J and Lee, Wooram and Sadhu, Bodhisatwa and Garcia, Alberto Valdes
US Patent 9,735,732
Abstract
Circuit methodology for highly linear and symmetric resistive processing unit
Gokmen, Tayfun and Kim, Seyoung and Lee, Hyung-Min and Lee, Wooram and Solomon, Paul Michael
US Patent 9,852,790
Abstract
Gokmen, Tayfun and Kim, Seyoung and Lee, Hyung-Min and Lee, Wooram and Solomon, Paul Michael
US Patent 9,852,790
Abstract
2014
Frequency quadruplers at millimeter-wave frequencies
Wooram Lee, Alberto Valdes Garcia
US Patent 8,841,944
Wooram Lee, Alberto Valdes Garcia
US Patent 8,841,944
2012
Bipolar transistor frequency doublers at millimeter-wave frequencies
Wooram Lee, Alberto Valdes Garcia
US Patent App. 13/682,178
Wooram Lee, Alberto Valdes Garcia
US Patent App. 13/682,178
2011
Athermal external cavity laser
Jie Hyun Lee, Mahn Yong Park, Geon Jeong, Chul Young Kim, Seung Hyun Cho, Woo Ram Lee, Byoung Whi Kim
US Patent 7,995,626
Jie Hyun Lee, Mahn Yong Park, Geon Jeong, Chul Young Kim, Seung Hyun Cho, Woo Ram Lee, Byoung Whi Kim
US Patent 7,995,626
Wavelength tracking apparatus and method in WDM-PON system
Byoung Whi Kim, Woo Ram Lee, Yun Chur Chung, Eui Seung Son, Jang Won Chae
US Patent 7,881,613
Byoung Whi Kim, Woo Ram Lee, Yun Chur Chung, Eui Seung Son, Jang Won Chae
US Patent 7,881,613
Passive optical network based on reflective semiconductor optical amplifier
Byoung-Whi Kim, Mahn-Yong Park, Seung-Hyun Cho, Woo-Ram Lee
US Patent 8,086,102
Byoung-Whi Kim, Mahn-Yong Park, Seung-Hyun Cho, Woo-Ram Lee
US Patent 8,086,102
2010
Feed-forward current injection circuits and semiconductor optical amplifier structures for downstream optical signal reuse method
Byoung Whi Kim, Mahn Yong Park, Seung Hyun Cho, Woo Ram Lee, Jie Hyun Lee, Geon Jeong, Chul Young Kim
US Patent 7,679,819
Byoung Whi Kim, Mahn Yong Park, Seung Hyun Cho, Woo Ram Lee, Jie Hyun Lee, Geon Jeong, Chul Young Kim
US Patent 7,679,819
Reflective semiconductor optical amplifier (RSOA), RSOA module having the same, and passive optical network using the same
Byoung Whi Kim, Mahn Yong Park, Woo-Ram Lee, Tae Yeon Kim
US Patent 7,738,167
Byoung Whi Kim, Mahn Yong Park, Woo-Ram Lee, Tae Yeon Kim
US Patent 7,738,167
2008
Method for fabricating laser diode having optical fiber Bragg grating as front mirror of external resonator and laser diode fabricated thereby
Seung Hyun Cho, Woo Ram Lee, Jae Dong Park, Byoung Whi Kim
US Patent 7,421,164
Seung Hyun Cho, Woo Ram Lee, Jae Dong Park, Byoung Whi Kim
US Patent 7,421,164
2005
Wavelength tunable light source module for wavelength division multiplexing passive optical network system
Byoung Kim, Woo Lee, Jae Park
US Patent App. 11/120,919
Byoung Kim, Woo Lee, Jae Park
US Patent App. 11/120,919
Loop-back wavelength division multiplexing passive optical network
Byoung Kim, Woo Lee
US Patent App. 11/122,839
Byoung Kim, Woo Lee
US Patent App. 11/122,839