Clocked-sense-amplifier-based smart-pixel optical receivers

被引：17

作者：

Woodward, TK ^{[1
]}

Krishnamoorthy, AV ^{[1
]}

Goossen, KW ^{[1
]}

Walker, JA ^{[1
]}

Cunningham, JE ^{[1
]}

Jan, WY ^{[1
]}

Chirovsky, LMF ^{[1
]}

Hui, SP ^{[1
]}

Tseng, B ^{[1
]}

Kossives, D ^{[1
]}

Dahringer, D ^{[1
]}

Bacon, D ^{[1
]}

Leibenguth, RE ^{[1
]}

机构：

[1] BELL LABS INNOVAT,LUCENT TECHNOL,MURRAY HILL,NJ 07974

来源：

IEEE PHOTONICS TECHNOLOGY LETTERS | 1996年 / 8卷 / 08期

关键词：

D O I：

10.1109/68.508740

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

We introduce the concept of synchronous smart-pixel optical receivers, and present the first use of a clocked-sense amplifier as a smart-pixel optical receiver, Such a receiver uses the controlled application of positive feedback to obtain low-power compact digital amplification, We describe the design and simulation of two types of optical receivers based on a clamped bit-line sense amplifier (CBLSA), and a conventional sense amplifier (CSA), Both of these circuits have been realized in 0.8 micron-linewidth foundry CMOS with hybrid-bonded GaAs-AlGaAs MQW detectors and modulators attached to the circuit, Operation in excess of 750 Mb/s is demonstrated, within a layout area of 44 mu m x 22 mu m, with a bias-dependent estimated power dissipation of 1 to 2 mW, Operation with one or two input beams is possible, with approximate minimum detected photocurrent levels at 320 Mb/s of 8 mu A (similar to 100 fJ) for single-beam operation and 2.5 mu A/beam (similar to 30 fJ/beam) for two-beam operation, all in the CBLSA-based circuit.

引用

页码：1067 / 1069

页数：3

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