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4 results on '"Lee, HP"'

1. Compensation of polarization-dependent loss in transmission fiber gratings by use of a Sagnac loop interferometer.

Author

Kim, Chang-Seok, Choi, Bernard, Nelson, J Stuart, Li, Qun, Dashti, Pedram Zare, and Lee, HP

Subjects
Equipment Design, Equipment Failure Analysis, Fiber Optic Technology, Image Enhancement, Image Interpretation, Computer-Assisted, Microscopy, Interference, Microscopy, Polarization, Optical Physics, Quantum Physics, Electrical and Electronic Engineering, Optics
Abstract

We analyze the transmission characteristics of a Sagnac loop interferometer containing a polarization-dependent loss element and lossless polarization-converting elements by use of Jones matrices. We show that polarization independence in the transmission mode can be achieved in such a configuration and that maximum transmittance occurs when a half-wave plate is used for the polarization-converting element. The result is verified experimentally for a fiber acousto-optic tunable filter and cascaded long-period fiber gratings with either intrinsic or process-induced polarization-dependent filtering characteristics.

Published
2005

2. Compensation of polarization-dependent loss in transmission fiber gratings by use of a Sagnac loop interferometer.

Author

Kim, Chang-Seok, Choi, Bernard, Nelson, J Stuart, Li, Qun, Dashti, Pedram Zare, and Lee, HP

Subjects
Image Interpretation, Computer-Assisted, Microscopy, Interference, Microscopy, Polarization, Image Enhancement, Equipment Design, Equipment Failure Analysis, Fiber Optic Technology, Image Interpretation, Computer-Assisted, Microscopy, Interference, Polarization, Optics, Optical Physics, Quantum Physics, Electrical and Electronic Engineering
Abstract

We analyze the transmission characteristics of a Sagnac loop interferometer containing a polarization-dependent loss element and lossless polarization-converting elements by use of Jones matrices. We show that polarization independence in the transmission mode can be achieved in such a configuration and that maximum transmittance occurs when a half-wave plate is used for the polarization-converting element. The result is verified experimentally for a fiber acousto-optic tunable filter and cascaded long-period fiber gratings with either intrinsic or process-induced polarization-dependent filtering characteristics.

Published
2005

3. Novel PDL/PDG compensator for transmission optical devices using sagnac interferometer

Author

Kim, CS, Choi, B, Nelson, JS, Dashti, PZ, and Lee, HP

Abstract

We describe a novel scheme for complete suppression of polarization-dependent loss/gain (PDL, PDG) for transmission-type optical devices (LPG, SOA) via a l/2-shifted all-fiber Sagnac loop interferometer. The results are explained theoretically and demonstrated experimentally. © 2004 Optical Society of America.

Published
2005

4. Novel PDL/PDG compensator for transmission optical devices using sagnac interferometer

Author

Kim, CS, Choi, B, Nelson, JS, Dashti, PZ, and Lee, HP

Abstract

We describe a novel scheme for complete suppression of polarization-dependent loss/gain (PDL, PDG) for transmission-type optical devices (LPG, SOA) via a l/2-shifted all-fiber Sagnac loop interferometer. The results are explained theoretically and demonstrated experimentally. © 2004 Optical Society of America.

Published
2005

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