Issued Patents All Time
Showing 26–48 of 48 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7283694 | Transmitter photonic integrated circuits (TxPIC) and optical transport networks employing TxPICs | David F. Welch, Fred A. Kish, Jr., Mark J. Missey, Radhakrishnan L. Nagarajan, Atul Mathur +9 more | 2007-10-16 |
| 7236656 | Optical transport network | David F. Welch, Radhakrishnan L. Nagarajan, Fred A. Kish, Jr., Mark J. Missey, Atul Mathur +4 more | 2007-06-26 |
| 7224858 | Optical transmission network with a receiver photonic integrated circuit (RxPIC) utilizing an optical service chanel (OSC) | David F. Welch, Ting-Kuang Chiang, Radhakrishnan L. Nagarajan, Fred A. Kish, Jr. | 2007-05-29 |
| 7158699 | Method of optimizing optical channel signal demultiplexing in a monolithic receiver photonic integrated circuit (RxPIC) | David F. Welch, Radhakrishnan L. Nagarajan, Fred A. Kish, Jr., Mark J. Missey, Atul Mathur +2 more | 2007-01-02 |
| 7155078 | Optical transmission network with transmitter photonic integrated circuit (TxPIC) utilizing an optical service channel (OSC) | David F. Welch, Ting-Kuang Chiang, Radhakrishnan L. Nagarajan, Fred A. Kish, Jr. | 2006-12-26 |
| 7149433 | Upgrade of optical amplifier site to a digital optical network site in an optical transmission network | Stephen G. Grubb, Matthew L. Mitchell, Robert B. Taylor, Alan C. Nilsson | 2006-12-12 |
| 7130499 | Optical communication module utilizing plural semiconductor transmitter photonic integrated circuit (TxPIC) chips | Stephen G. Grubb, Matthew L. Mitchell, Robert B. Taylor, Ting-Kuang Chiang | 2006-10-31 |
| 7123786 | Compact, cost-effective optical-electrical-optical (OEO) converter for an optical transmission network | David F. Welch, Radhakrishnan L. Nagarajan, Fred A. Kish, Jr., Mark J. Missey, Atul Mathur +4 more | 2006-10-17 |
| 7116851 | Optical signal receiver, an associated photonic integrated circuit (RxPIC), and method improving performance | David F. Welch, Radhakrishnan L. Nagarajan, Fred A. Kish, Jr., Mark J. Missey, Atul Mathur +3 more | 2006-10-03 |
| 7116861 | Method of monitoring and controlling the bit error rate (BER) in an optical communication network | David F. Welch, Ting-Kuang Chiang, Fred A. Kish, Jr., Radhakrishnan L. Nagarajan | 2006-10-03 |
| 7113667 | FEC enhanced system for an optical communication network | David F. Welch, Fred A. Kish, Jr., Ting-Kuang Chiang | 2006-09-26 |
| 7082253 | Method of providing wider window margin in an eye diagram of a received signal in a transmission system | Ting-Kuang Chiang | 2006-07-25 |
| 7062111 | Optical communication module with one or more photonic integrated circuit (PIC) chips and an external booster optical amplifier for photonic integrated circuits (PICs) | Stephen G. Grubb, Matthew L. Mitchell, Robert B. Taylor, Ting-Kuang Chiang | 2006-06-13 |
| 7058248 | Optical communication system with multiple photonic integrated circuit (PIC) chips and an external booster optical amplifier for photonic integrated circuits (PICs) | Stephen G. Grubb, Matthew L. Mitchell, Robert B. Taylor, Ting-Kuang Chiang | 2006-06-06 |
| 7058263 | Optical transport network | David F. Welch, Radhakrishnan L. Nagarajan, Fred A. Kish, Jr., Mark J. Missey, Atul Mathur +4 more | 2006-06-06 |
| 7050666 | Optical receiver photonic integrated circuit (RxPIC) system | David F. Welch, Ting-Kuang Chiang | 2006-05-23 |
| 7010185 | Method of providing a low cost semiconductor transmitter photonic integrated circuit (TxPIC) chip | Stephen G. Grubb, Matthew L. Mitchell, Robert B. Taylor, Ting-Kuang Chiang | 2006-03-07 |
| 6700696 | High order fiber Raman amplifiers | Mehrdad Ziari, Atul Mathur | 2004-03-02 |
| 6603593 | Optical transmission link including raman amplifier | Bernard Fidric, Steven Sanders | 2003-08-05 |
| 6434295 | Side coupled pumping of double clad fiber gain media | Stuart MacCormack, Robert G. Waarts | 2002-08-13 |
| 6434302 | Optical couplers for multimode fibers | Bernard Fidric, Steven Sanders | 2002-08-13 |
| 6407855 | Multiple wavelength optical sources | Stuart MacCormack, David M. Giltner, Donald R. Scifres, Bardia Pezeshki, Edward C. Vail +2 more | 2002-06-18 |
| 6404542 | Multiple emitter semiconductor laser pump source for scaling of pump power and generation of unpolarized light for light signal amplification | Mehrdad Ziari, David F. Welch, Bardia Pezeshki, Robert J. Lang | 2002-06-11 |