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Spectral linewidth estimation of a 1.5 µm range InGaAsP/InP distributed feedback laser
1986 Edition, Volume 22, March 1, 1986 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

Spectral linewidth of a 1.5 μm range distributed feedback buried heterostructure (DFB-BH) laser in CW operation is estimated theoretically and experimentally. Considering the equivalent mirror facet loss coefficient and the confinement factor...

1.5 µm range InGaAsP/InP distributed feedback lasers
1982 Edition, Volume 18, August 1, 1982 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

Lasing characteristics of InGaAsP/InP distributed feedback (DFB) lasers in the 1.5 μm range were studied theoretically and experimentally. Wave propagation in five-layer DFB waveguides were analyzed to estimate the effect of the structural...

Wavelength-tunable InGaAsP-InP multiple- lambda /4-shifted distributed feedback laser
1993 Edition, Volume 29, June 1, 1993 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

A wavelength-tunable InGaAsP/InP multiple- lambda /4-shifted distributed-feedback (MQS-DFB) laser was demonstrated for the first time. A DFB laser with three lambda /4 shifts and five electrodes was fabricated, and its fundamental...

A Dual-Grating InGaAsP/InP DFB Laser Integrated With an SOA for THz Generation
2016 Edition, Volume 28, November 1, 2016 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

We report a dual-mode semiconductor laser that has two gratings with different periods below and above the active layer. A semiconductor optical amplifier (SOA), which is integrated with the dual-mode laser, plays an important role in balancing the optical power and...

Wavelength tunable InGaAsP/InP multiple-/spl lambda//4-shifted distributed feedback laser
1992 Edition, January 1, 1992 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

A tunable InGaAsP/InP multiple /spl lambda//4-shifted DFB laser is demonstrated. Continuous wavelength tuning was obtained with a range of 1.7nm. Low spectral linewidth and flat FM response with 0.65GHz/mA efficiency is also presented.

1.95-μm strained InGaAs-InGaAsP-InP distributed-feedback quantum-well lasers
1994 Edition, Volume 6, December 1, 1994 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

Distributed-feedback emission from strained InGaAs-InGaAsP-InP quantum well lasers has been examined over a temperature range of 130 K to 300 K. Continuous single-mode output from 190 to 300 K with a side-mode-suppression ratio...

Pseudo-Pilot Coding Based Phase Noise Estimation for Coherent Optical FBMC-OQAM Transmissions
Volume PP - IEEE - Institute of Electrical and Electronics Engineers, Inc.

We propose a cost-efficient scheme called pseudopilot coding based phase noise estimation (PC-PNE) to compensate laser phase noises for filter-bank multi-carrier (FBMC) transmission systems. The performance of the proposed PC-PNE with rectangular QAM modulations is...

Buried grating distributed feedback laser at lambda =1.51 mu m
1991 Edition, January 1, 1991 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

The growth of a distributed feedback (DFB) laser by two steps of organometallic chemical vapor deposition (OMCVD) epitaxy in which the feedback grating is a series of higher index of refraction InGaAsP segments (first...

Long-wavelength InGaAsP/InP distributed feedback lasers incorporating gain-coupled mechanism
1992 Edition, Volume 4, March 1, 1992 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

Successful operation of long-wavelength InGaAsP low-threshold-current gain-coupled DFB lasers was demonstrated by using an InGaAsP quaternary grating that absorbs the DFB (distributed feedback) emission. The amount of gain (loss)-coupling is...

290 Hz intrinsic linewidth from an integrated optical chip-based widely tunable InP-Si 3 N 4 hybrid laser
2017 Edition, June 1, 2017 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

Summary form only given. Widely tunable, narrow linewidth diode lasers have found a wide range of important applications, from terrestrial ones, such as fiber-optic communications [1] or optical sensing [2], to applications in space, for instance in atomic...

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