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New Design Results in Compact,Highly Efficient Frequency Comb
New Design Results Compact Highly Efficient Frequency Comb
2017/3/30
Northwestern Engineering researchers have designed a quantum cascade laser (QCL) frequency comb that is dramatically more efficient than previous iterations. Led by Manijeh Razeghi, researchers i...
Design methodology for compact photonic-crystal-based wavelength division multiplexers
compact photonic-crystal-based wavelength division multiplexers
2015/8/10
We present an extremely compact wavelength division multiplexer design, as well as a general framework for designing and optimizing frequency selective devices embedded in photonic crystals satisfying...
Compact, High-Speed Hybrid Silicon Microring Lasers for Computer Interconnects
Semiconductor lasers Photonic integrated circuits
2015/6/9
We investigate scaling of compact, low-threshold hybrid silicon microring lasers to meet the criteria of low power consumption, high-speed modulation and operation in elevated temperature for optical ...
Compact Multiwavelength Fiber Lasers in S, C and L Bands
Compact Multiwavelength Fiber Lasers L Bands
2015/7/16
We demonstrate multiwavelength CW lasers for S,C and L bands that emit more than 40 wavelengths simultaneously. We achieve a nominal channel spacing of 100 ± 10 GHz using post-fabrication correction b...
Compact and Highly Efficient Intracavity SHG Green Light Source with Wide Operation Temperature Range Using Periodically Poled Mg:LiNbO3
Solid laser Intracavity LiNbO3
2009/6/1
A compact, high power SHG green light source with wide operation temperature range over 30 degrees Celsius has been developed by using a wavelength-locked laser diode and a 0.5mm-long periodically pol...
An Extremely Compact Electro-Absorption Modulator Integrated DFB Laser Module for 100Gbps Ethernet over 75km SMF Reach
Electro-Absorption Modulator Integrated DFB Laser Module f SMF
2015/8/4
One seventh miniaturized EA-DFB laser module with +/-100ps/nm dispersion tolerance at 25Gbps was demonstrated. It’s the world’s first module applicable to the small 100Gbps Ethernet transceiver.
High Capacity Demonstration of a Compact Regrowth-Free Integrated 4 x 4 Quantum Well Semiconductor Optical Amplifier Based Switch
Compact Regrowth-Free Integrated Quantum Semiconductor Optical Amplifier Based Switch
2015/8/3
A fibre-to-fibre lossless integrated 4x4 SOA switch achieves an IPDR ~6dB at <2dB penalty for 8 λ x10Gb/s.10Gb/s cascaded operation of two 4x4 switches is demonstrated.