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7 results on '"Khatri, Farzana I."'

2. Interaction of soliton with sinusoidal wave packet

Author

Haus, Hermann A., Khatri, Farzana I., Wong, William S., Ippen, Erich P., and Tamura, Kohichi R.

Subjects
Wave packets -- Observations, Solitons -- Observations, Computer simulation -- Usage, Quantum theory -- Research, Business, Computers, Electronics, Electronics and electrical industries
Abstract

A soliton's interaction with a sinusoidal wave packet produces a change of soliton position and phase. A perturbation of the wave packet that is similar to Gordon's associate function also occurs. The perturbation produces a second-order change of velocity in the soliton that depends on the local intensity of the perturbing soliton. The results are generalized by application to low-intensity wave packets with arbitrary shapes. Computer simulations confirm the analytical results.

Published
1996

3. Overview of the Mars laser communication demonstration project

Author

Edwards, Bernard L, Townes, Stephen A, Bondurant, Roy S, Scozzafava, Joseph J, Boroson, Don M, Roberts, William T, Biswas, Abhijit, Pillsbury, Alen D, Khatri, Farzana I, Burnside, Jamie W, Bold, David R, Murphy, Daniel V, McIntosh, Alexander K, Caplan, David O, DeCrew, Alan E, Sharma, Jayant, Parvin, Ben A, Fitzgerald, Richard J, Zingales, Samuel H, and DePaula, Ramon

Published
2003

4. Overview of the Mars laser communication demonstration project

Author

DePaula, Ramon, Zingales, Samuel H, Fitzgerald, Richard J, Parvin, Ben A, Sharma, Jayant, DeCrew, Alan E, Caplan, David O, McIntosh, Alexander K, Murphy, Daniel V, Bold, David R, Burnside, Jamie W, Khatri, Farzana I, Pillsbury, Alen D, Biswas, Abhijit, Roberts, William T, Boroson, Don M, Scozzafava, Joseph J, Bondurant, Roy S, Townes, Stephen A, and Edwards, Bernard L

Abstract

This paper provides an overview of the Mars Laser Communications Demonstration Project, a joint project between NASA’s Goddard Space Flight Center (GSFC), the Jet Propulsion Laboratory, California Institute of Technology (JPL), and the Massachusetts Institute of Technology Lincoln Laboratory (MIT/LL). It reviews the strawman designs for the flight and ground segments, the critical technologies required, and the concept of operations. It reports preliminary conclusions from the Mars Lasercom Study conducted at MIT/LL and on additional work done at JPL and GSFC. The lasercom flight terminal will be flown on the Mars Telecom Orbiter (MTO) to be launched by NASA in 2009, and will demonstrate a technology which has the potential of vastly improving NASA’s ability to communicate throughout the solar system

Published
2003

5. Overview of the MARS Laser Communications Demonstration Project

Author

Edward, Bernard L, Townes, Stephen A, Bondurant, Roy S, Scozzafava, Joseph J, Boroson, Don M, Parvin, Ben A, Biswas, Abhijit, Pillsbury, Alan D, Khatri, Farzana I, and Burnside, Jamie W

Subjects
Optics
Abstract

This paper provides an overview of the Mars Laser Communications Demonstration Project, a joint project between NASA s Goddard Space Flight Center (GSFC), the Jet Propulsion Laboratory, California Institute of Technology (JPL), and the Massachusetts Institute of Technology Lincoln Laboratory (MIT/LL). It reviews the strawman designs for the flight and ground segments, the critical technologies required, and the concept of operations. It reports preliminary conclusions from the Mars Lasercom Study conducted at MIT/LL and on additional work done at JPL and GSFC. The lasercom flight terminal will be flown on the Mars Telecom Orbiter (MTO) to be launched by NASA in 2009, and will demonstrate a technology which has the potential of vastly improving NASA s ability to communicate throughout the solar system.

Published
2003

6. The lunar laser communication demonstration time-of-flight measurement system: overview, on-orbit performance, and ranging analysis

Author

Lincoln Laboratory, Stevens, Mark L., Parenti, Ronald R., Greco Jr, Joseph Anthony, Khatri, Farzana I., Robinson, Bryan S, Willis, Matthew M., Boroson, Don M, Lincoln Laboratory, Stevens, Mark L., Parenti, Ronald R., Greco Jr, Joseph Anthony, Khatri, Farzana I., Robinson, Bryan S, Willis, Matthew M., and Boroson, Don M

Abstract

The Lunar Laser Communication Demonstration (LLCD) flown on the Lunar Atmosphere and Dust Environment Explorer (LADEE) satellite achieved record uplink and downlink communication data rates between a satellite orbiting the Moon and an Earth-based ground terminal. In addition, the high-speed signals of the communication system were used to accurately measure the round-trip time-of-flight (TOF) of signals sent to the Moon and back to the Earth. The measured TOF data, sampled at a 20-kS/s rate, and converted to distance, was processed to show a Gaussian white noise floor typically less than 1 cm RMS. This resulted in a precision for relative distance measurements more than two orders-of-magnitude finer than the RF-based navigation and ranging systems used during the LADEE mission. This paper presents an overview of the LLCD TOF system, a summary of the on-orbit measurements, and an analysis of the accuracy of the measured data for the mission., United States. Department of Defense (Contract FA8721-05-C-0002)

Published
2018

7. Optics and Quantum Electronics

Author

Haus, Hermann A., Ippen, Erich P., Fujimoto, James G., Hagelstein, Peter L., Bouma, Brett E., Grein, Matthew E., Jones, David J., Nelson, Lynn E., Wong, William S., Khatri, Farzana I., Boivin, Luc, Namiki, Shu, Yu, Charles X., Chen, Jerry C., Khan, Mohammed Jalal, Little, Brent E., Kolodziejski, Leslie A., Smith, Henry I., Damask, Jay N., Ferrera, Juan, Lim, Michael H. Y., Murphy, Thomas E., Fleischer, Siegfried B., Lenz, Gadi, Dougherty, David J., Steinmeyer, Günter, Gellermann, Werner, Darwish, Ali M., House, Jody L., Tziligakis, Constantine N., Bilinsky, Igor P., Golubovic, Boris, Mikhailov, Viktor P., Stanton, Christopher, Tolk, Norman, Boppart, Stephen A., Brezinski, Mark E., Hee, Michael R., Tearney, Guillermo J., Swanson, Eric A., Toth, Cynthia A., Birngruber, Reginald, Cain, Clarance P., Noojin, Gary D., Roach, W. P., DiCarlo, Cheryl D., Goodberlet, James G., Fleury, Marc, Muendel, Martin H., Hodge, William, Chattevji, Shourov, Crouch-Baker, Steve, McKubre, Michael, Haus, Hermann A., Ippen, Erich P., Fujimoto, James G., Hagelstein, Peter L., Bouma, Brett E., Grein, Matthew E., Jones, David J., Nelson, Lynn E., Wong, William S., Khatri, Farzana I., Boivin, Luc, Namiki, Shu, Yu, Charles X., Chen, Jerry C., Khan, Mohammed Jalal, Little, Brent E., Kolodziejski, Leslie A., Smith, Henry I., Damask, Jay N., Ferrera, Juan, Lim, Michael H. Y., Murphy, Thomas E., Fleischer, Siegfried B., Lenz, Gadi, Dougherty, David J., Steinmeyer, Günter, Gellermann, Werner, Darwish, Ali M., House, Jody L., Tziligakis, Constantine N., Bilinsky, Igor P., Golubovic, Boris, Mikhailov, Viktor P., Stanton, Christopher, Tolk, Norman, Boppart, Stephen A., Brezinski, Mark E., Hee, Michael R., Tearney, Guillermo J., Swanson, Eric A., Toth, Cynthia A., Birngruber, Reginald, Cain, Clarance P., Noojin, Gary D., Roach, W. P., DiCarlo, Cheryl D., Goodberlet, James G., Fleury, Marc, Muendel, Martin H., Hodge, William, Chattevji, Shourov, Crouch-Baker, Steve, and McKubre, Michael

Abstract

Contains table of contents for Section 3 and reports on eighteen research projects., Defense Advanced Research Projects Agency/MIT Lincoln Laboratory Contract MDA972-92-J-1038, Joint Services Electronics Program Grant DAAH04-95-1-0038, National Science Foundation Grant ECS 94-23737, U.S. Air Force - Office of Scientific Research Contract F49620-95-1-0221, U.S. Navy - Office of Naval Research Grant N00014-95-1-0715, MIT Center for Material Science and Engineering, National Center for Integrated Photonics Technology Contract DMR 94-00334, National Center for Integrated Photonics Technology, U.S. Navy - Office of Naval Research (MFEL) Contract N00014-94-1-0717, National Institutes of Health Grant 9-R01-EY11289, MIT Lincoln Laboratory Contract BX-5098, Electric Power Research Institute Contract RP3170-25, ENECO

Published
2010

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