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25.8-Gbps direct modulation of 1.3-μm-wavelength AlGalnAs distributed reflector lasers
2010 Edition, July 1, 2010 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

AlGaInAs distributed-reflector lasers with 4 different wavelengths on LAN-WDM grid were fabricated using the same MQW active layers. These lasers provided output power of over 10 mW and clear eye-opening under 25.8-Gbps direct...

50-Gbps direct modulation using 1.3-µm AlGaInAs MQW distribute-reflector lasers
2012 Edition, September 1, 2012 - Optical Society (The) (OSA)

50-Gbps direct modulation is demonstrated for the first time using a short cavity 1.3-μm wavelength distributed-reflector laser. Clear eye openings with dynamic extinction ratios of 5 dB were obtained up to 50°C and 10-km fiber...

Simultaneous 40-Gbps direct modulation of 1.3-µm wavelength AlGaInAs distributed-reflector laser arrays on semi-insulating InP substrate
2013 Edition, May 1, 2013 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

40-Gbps direct modulation of 1.3-μm wavelength AlGaInAs distributed-reflector laser arrays on semi-insulating InP substrate are investigated. Clear eye-opening is demonstrated under simultaneous operation of two lasers.

Temperature-stable 25-Gbps direct-modulation in 1.3-μm InAs/GaAs quantum dot lasers
2012 Edition, May 1, 2012 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

By clarifying the temperature and mirror-loss dependence of modulation bandwidth of 1.3-μm-wavelength InAs/GaAs quantum-dot lasers, temperature-stable 25-Gbps direct-modulation is achieved from 20 to 70°C with fixed bias and...

25 Gbps direct modulation in 1.3-µm InAs/GaAs high-density quantum dot lasers
2010 Edition, May 1, 2010 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

The modulation characteristics of 1.3-µm InAs/GaAs high-density quantum-dot lasers is presented. The eight-stacked high-density quantum-dot layers provided high net modal gain of 46 cm−1. Fabricated Fabry-Perot lasers showed the 25-Gbps...

Operation of a 25-Gbps direct modulation ridge waveguide MQW-DFB Laser up to 85 °C
2009 Edition, March 1, 2009 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

We demonstrated 25-Gbps direct modulation up to 85 °C with a 1.3-μm InGaAlAs RWG-MQW-DFB laser. The dependence of the relaxation oscillation frequency on current was 3.3 GHz/mA½ and this is the highest value ever reported.

95 ºC uncooled and high power 25-Gbps direct modulation of InGaAlAs ridge waveguide DFB laser
2009 Edition, September 1, 2009 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

95ºC, 25-Gbps direct modulation of a high-power (≫15mW) 1.3-µm-InGaAIAs-DFB laser is developed for the first time. The device will be a key for 4-channel CWDM uncooled light-sources used in the lower-power-consumption 100-GbE subsystems.

25 Gbps direct modulation of a III–V semiconductor laser integrated on a silicon waveguide platform
2011 Edition, July 1, 2011 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

We demonstrate 25 Gbps direct modulation of a III-V semiconductor laser integrated on a silicon waveguide platform with extinction ratio of over 6 dB for the first time.

45 Gbps Direct Modulation of Two-Section InP-on-Si DFB Laser Diodes
Volume PP - IEEE - Institute of Electrical and Electronics Engineers, Inc.

Two-section heterogeneously integrated InP-on-Si DFB laser diodes are demonstrated. In the modulation response, the relaxation oscillation frequency of 10 GHz is followed by a second resonance to achieve nearly 25 GHz 3-dB modulation bandwidth and 45...

40-Gbps direct modulation of 1.55-µm AlGaInAs semi-insulating buried-heterostructure distributed reflector lasers up to 85°C
2009 Edition, October 1, 2009 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

1.55-mum AlGaInAs semi-insulating buried-heterostructure distributed reflector lasers with 75-mum-long active region achieved very high slope values of relaxation oscillation frequency of 4.5 (25degC) and 3.5 GHz/mA1/2 (85degC), which realized 40-Gbps...

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