Mr. Ramana Venkata Pamidighantam Profile

Ramana Venkata Pamidighantam

Member/Technical Staff at A*STAR Institute of Microelectronics

SPIE Involvement:

Author

Publications (15)

Proceedings Article | 7 March 2008 Paper

Paper

Cost effective optical coupling for enhanced rate polymer optical fiber communication

Jayakrishnan Chandrappan, Jing Zhang, Pamidighantam Ramana, John Hon Shing Lau, Dim Lee Kwong

Proceedings Volume 6896, 68960U (2008) https://doi.org/10.1117/12.764338

KEYWORDS: Phase only filters, Optical fibers, Cladding, Single mode fibers, Multimode fibers, Transmitters, Receivers, Polymer optical fibers, Fiber optic communications, Optical communications

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Proceedings Article | 8 February 2008 Paper

Paper

Optical design of a miniature semi-integrated tunable laser on a silicon optical bench

Pamidighantam Ramana, Jing Li, Jayakrishnan Chandrappan, Teck Guan Lim, Jing Zhang, John Hon Shing Lau, Dim Lee Kwong

Proceedings Volume 6899, 68990S (2008) https://doi.org/10.1117/12.763122

KEYWORDS: Tunable lasers, Microelectromechanical systems, Silicon, Semiconductor lasers, Modulators, Mirrors, Dense wavelength division multiplexing, Wafer-level optics, Actuators, Optical design

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Proceedings Article | 8 February 2008 Paper

Paper

3.125 Gbps multichannel electrical transmission line design for CWDM

Teck Guan Lim, Yee Mong Khoo, Jing Li, Yi Yoon Chai, Chee Wei Tan, Pamidighantam Ramana, John Hon Shing Lau, Seiji Maruo

Proceedings Volume 6899, 68990O (2008) https://doi.org/10.1117/12.764151

KEYWORDS: Resistors, Silica, Metals, Silicon, Transmitters, Semiconductor lasers, Dielectrics, Eye, Signal attenuation, Coarse wavelength division multiplexing

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Proceedings Article | 8 February 2008 Paper

Paper

Design and analysis of 3D stacked optoelectronics on optical printed circuit boards

John Lau, Ying Ying Lim, Teck Guan Lim, Gong Yue Tang, Chee Houe Khong, Xiaowu Zhang, Pamidighantam Ramana, Jing Zhang, Chee Wei Tan, Jayakrishnan Chandrappan, Joey Chai, Jing Li, Geri Tangdiongga, Dim Lee Kwong

Proceedings Volume 6899, 689907 (2008) https://doi.org/10.1117/12.764032

KEYWORDS: Vertical cavity surface emitting lasers, Waveguides, Copper, Optoelectronics, Polymer multimode waveguides, Polymers, Optical printed circuit boards, Multiplexers, Signal attenuation, Optoelectronic devices

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Proceedings Article | 8 February 2008 Paper

Paper

Development of a low-cost 2.5-Gbps SFP optical transceiver using 0.18µm CMOS ICs

Yi Yoon Chai, Jing Zhang, Pamidighantma Ramana, Guan Jie Yap, John Hon-Shing Lau

Proceedings Volume 6899, 68990U (2008) https://doi.org/10.1117/12.764294

KEYWORDS: Transceivers, Receivers, Transmitters, Optical amplifiers, Semiconductor lasers, Eye, CMOS technology, Fiber to the x, Passive optical networks, Packaging

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Proceedings Article | 8 February 2008 Paper

Paper

Taper couplers for coupling between laser and silicon waveguide with large allowable tolerance

Jing Zhang, Bihan Li, Jayakrishnan Chandrappan, Qing Xin Zhang, Pamidighantam Ramana, Patinharekandy Prabhathan, Hon Shing Lau, Dim Lee Kwong, Murukeshan Vadakke Matham

Proceedings Volume 6899, 689909 (2008) https://doi.org/10.1117/12.764254

KEYWORDS: Semiconductor lasers, Waveguides, Silicon, Tolerancing, Waveguide lasers, Light wave propagation, Packaging, Optical benches, Photonics, Assembly tolerances

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Proceedings Article | 8 February 2008 Paper

Paper

Cost effective optical coupling for polymer optical fiber communication

Jayakrishnan Chandrappan, Jing Zhang, Ramkumar Mohan, Philbert Oliver Gomez, Than Aye Aung, Yongfei Xiao, Pamidighantam Ramana, John Hon Shing Lau, Dim Lee Kwong

Proceedings Volume 6899, 68991A (2008) https://doi.org/10.1117/12.764315

KEYWORDS: Phase only filters, Optical communications, Sensors, Optical coherence tomography, Image analysis, Polymer optical fibers, Polishing, Fiber optic communications, Receivers, Optical simulations

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Proceedings Article | 8 February 2008 Paper

Paper

Assembly of optical MUX/DEMUX on silicon optical bench with high placement accuracies

Chee Wei Tan, Teck Guan Lim, Jing Li, Geri Endrio Tangdiongga, Yi Yoon Chai, Seiji Maruo, Pamidighantam Ramana, Seung Wook Yoon, John Lau

Proceedings Volume 6899, 68990N (2008) https://doi.org/10.1117/12.764242

KEYWORDS: Mirrors, Silicon, Single mode fibers, Optical components, Optical benches, Optics manufacturing, Optical alignment, Tolerancing, Semiconducting wafers, Optical fabrication

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Proceedings Article | 8 February 2008 Paper

Paper

Optical design of 4-channel TOSA/ROSA for CWDM applications

Geri Tangdiongga, Teck Guan Lim, Jing Li, Chee Wei Tan, Pamidighantam Ramana, Yi Yoon Chai, Seiji Maruo, John Hon-Shing Lau

Proceedings Volume 6899, 68990I (2008) https://doi.org/10.1117/12.764238

KEYWORDS: Mirrors, Channel projecting optics, Lenses, Optical components, Coarse wavelength division multiplexing, Thin films, Optical filters, Assembly tolerances, Sensors, Optical design

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Proceedings Article | 12 December 2007 Paper

Paper

Design of taper coupler for effective laser and single mode fiber coupling with large tolerance

Jing Zhang, V. Ramana Pamidighantam, John Hon-Shing Lau, Qingxin Zhang, Chandrappan Jayakrishnan, Chee Wei Tan, Ming Chinq Jong, Teo Wei Liang Calvin, Dim Lee Kwong

Proceedings Volume 6782, 67821L (2007) https://doi.org/10.1117/12.746624

KEYWORDS: Semiconductor lasers, Single mode fibers, Tolerancing, Fiber lasers, Silicon, Waveguides, Optical benches, Assembly tolerances, Fiber couplers, Waveguide lasers

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Proceedings Article | 21 November 2007 Paper

Paper

Design of a bidirectional WDM module for multi-channel transceivers

Jing Zhang, Teck Guan Lim, Jing Li, P. Ramana, V. Ramkumar, Hong-Shing John Lau, Wai Yin Hnin, Dim Lee Kwong

Proceedings Volume 6781, 67811Q (2007) https://doi.org/10.1117/12.745868

KEYWORDS: Multiplexers, Wavelength division multiplexing, Transceivers, Mirrors, Semiconductor lasers, Sensors, Transmitters, Receivers, Optical simulations, Micro optics

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SPIE Journal Paper | 1 December 2005

Concise method for the design of arrayed waveguide gratings using silica-based sol-gel materials

J. Zhou, Nam Quoc Ngo, P. Ramana, Mahadevan Iyer

OE, Vol. 44, Issue 12, 128003, (December 2005) https://doi.org/10.1117/12.10.1117/1.2149316

KEYWORDS: Waveguides, Channel waveguides, Sol-gels, Polarization, Diffraction, Optical engineering, Silica, Beam propagation method, Multiplexers, Optical design

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Proceedings Article | 23 August 2002 Paper

Paper

Optical packaging activities at Institute of Microelectronics (IME), Singapore

Keng-Hwa Teo, Krishnamachari Sudharsanam, Ramana Pamidighantam, Yongkee Yeo, Mahadevan Iyer

Proceedings Volume 4906, (2002) https://doi.org/10.1117/12.480562

KEYWORDS: Packaging, Optical components, Microelectronics, Reliability, Electronics, Silicon, Optics manufacturing, Electro optical modeling, Optoelectronic devices, Polymers

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Proceedings Article | 23 August 2002 Paper

Paper

Simulation studies on the effect of positioning tolerances on optical coupling efficiency

Ramana Pamidighantam, Yongkee Yeo, Krishnamachari Sudharsanam, Sik Pong Lee, Mahadevan Iyer

Proceedings Volume 4906, (2002) https://doi.org/10.1117/12.480609

KEYWORDS: Tolerancing, Optical components, Packaging, Semiconductor lasers, Fiber couplers, Single mode fibers, Transmitters, Optical alignment, Electronics, Optical design

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Proceedings Article | 27 November 2001 Paper

Paper

Infrared applications for portable devices using IrDA transceivers

Sanjay Krishnan, Ramana Pamidighantam, Wee Tan

Proceedings Volume 4530, (2001) https://doi.org/10.1117/12.449801

KEYWORDS: Receivers, Transceivers, Infrared radiation, Personal digital assistants, Internet, Light emitting diodes, Transmitters, Cell phones, Resistors, Standards development

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Showing 5 of 15 publications

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