Now, the fiber-optic network business is enjoying a resurgence, particularly for metro fiber, the high-capacity lines that connect a city’s office buildings, data centers and cellular towers to the Internet.

There have been 14 acquisitions in the industry this year alone and 45 since the fiber market began its turnaround in 2006, according to investment bank Cowen & Co.

“There’s a shortage of metro fiber, and the demand is just going through the roof,” said Rob Shanahan, chief executive of Lightower Fiber Networks, a fiber company serving the Northeast that has acquired five other companies since 2008.

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The technology is still about five years away from market and its first commercial applications will likely be in data centers and supercomputer facilities, but advances in chip manufacturing and economies of scale may someday bring it to the consumer market. And by then it should be quite a bit faster.

“This milestone marks the beginning of silicon photonics in the high-volume marketplace, in applications from [high-performance computing] all the way down to the client [PC]”, said Mario Paniccia, director of Intel’s (INTC) Photonics Technology Lab. “We call it a concept vehicle, but we’ve done the key things that would need to be addressed to commercialize it. We see a clear development path from 50 Gbits per second today to a terabit in the future.”

“This move to HSPA+ is primarily a software upgrade for equipment across our network, very similar to the upgrade we made earlier this year to HSPA 7.2,” said AT&T CTO John Donovan.

“Also like HSPA 7.2,” Donovan added, “the full speed benefits of HSPA+ will be seen when the software upgrade is combined with enhanced Ethernet-powered fiber-optic backhaul connections, which carry traffic from the cell site to the network backbone. We’re deploying these backhaul connections to cell sites across the nation, a process that will continue through 2011, when we plan to begin deployment of LTE.”

So there has been no change to carrier’s LTE rollout plans. For AT&T (T), this HSPA+ upgrade is intended as a bridge to LTE, which in all likelihood will be an overlay network to 3G for the next few years.

As AT&T Operations CEO John Stankey told GigaOm yesterday, “[LTE] vendors are experiencing some challenges on certain features and software, and first implementations in 2011 will be…pretty vanilla.”

And according to a recent study by research house Maravedis, LTE won’t really hit maturity for another four to five years. Until that day arrives, mobile users will necessarily be falling back on 3G.

A wise move, then, for AT&T to enhance its entire 3G footprint, and at such little cost, particularly at a time when more and more data-hungry devices like Apple’s (AAPL) iPad are arriving at market.

That might seem an inane question, coming from the FCC, but when you think about it, it has never really been answered, not even by broadband carriers, which would undoubtedly prefer that the term be ambiguous enough to allow for all manner of throughput/delivered speeds, usage caps, and latency. So it’s a good time to ask it. As senior adviser Carlos Kirjner explains in a post to the FCC blog today:

• If we want to decide who has and who does not have broadband, we actually need to agree on what we mean by broadband.
• If we want to decide who can take advantage of one type of application or another, we need to know what they are actually getting today, and what is the gap between that and what they actually need to get.
• If we need to know how much it would cost the country to enable all or a subset of its households and businesses to take advantage of one application or another, we need to know what the gap is between where we are and where we want to be.
• If we want to ensure that consumers have a clear and accurate view of what they are getting for their money, we need to decide what are the important metrics, and how to measure them.

Good points, all. But allow me to suggest one more:

• If we’re going to start handing out $7.4 billion in federal grants for broadband improvements, we should make damn sure that broadband is improved.

Because the last time we invested in our broadband future, we didn’t see much return on that investment.

In the run-up to the Telecommunications Act of 1996, the incumbent telecoms promised to provide fiber-optic connections to millions of households across the country. In exchange, they were given some $200 billion in tax cuts and higher service rates to pay for it. But the telecoms didn’t spend that money on fiber upgrades; they spent it on long distance, wireless and inferior DSL services.

“By 2005, if the Bell companies had actually delivered on their broadband promises, approximately 86 million households would have had fiber-optic-based services,” Bruce Kushnick, executive director of New Networks Institute, explains in “The $300 Billion Broadband Scandal.” “These state commitments also would have rewired schools and libraries, hospitals and government offices. And in most states, the plan called for ALL customers to be rewired equally, whether they were in rural or urban areas, rich or poor. Universal broadband was to be accomplished state-by-state because customers were, in essence, de facto investors funding these network upgrades.”

But that’s not what happened (click on image below to enlarge). Know anyone in California who had Pac Bell fiber in 1996? How about 2000? Yeah, didn’t think so. And that’s something worth mulling today.

Great news for Vonage (VG), which has been tormented by a barrage of costly legal battles and set upon by new and powerful rivals. The company’s net loss shrank to $8.96 million, or 6 cents a share, from a loss of $72.3 million, or 47 cents, in the year-earlier quarter.

Sadly for Vonage, the company’s Q1 loss isn’t the only thing that shrank. Subscriber growth did as well. The company signed up just 30,000 new subscribers in the quarter, a big decline from a year earlier when it added nearly 166,000 subscribers. Worse, turnover rate increased to 3.3% from 3% in the fourth quarter.

Still, Vonage is a bit healthier than it’s been for some time now. So while it may not exactly be on the road to recovery, it’s at least crawling in its general direction. To that end, the company’s inked a deal to resell Covad’s DSL service under the Vonage Broadband name. An interesting idea, in that it will allow Vonage to bundle a broadband offering with its Internet telephony services like most other phone and cable companies on the planet. But DSL? Really? At a time when Verizon (VZ) is expanding its FiOS fiber-optic service and Comcast (CMCSA) is boosting the speed of its high-tier cable broadband?

The company’s first-quarter earnings met Wall Street expectations today thanks to strong growth in its wireless and FIOS home fiber-optic services businesses. With a 10% increase in first-quarter profit, and revenues that rose 5.5% to $23.83 billion, Verizon’s business would appear to be more recession-proof than others. “We’re really not seeing a change in trends,” Chief Financial Officer Doreen Toben said in an interview. “How many people are really going to drop their wireless phone?”

Not very many. Verizon added 1.5 million subscribers to its mobile business during the quarter. That said, there are plenty of folks willing to drop their landlines. Verizon wire-line subscribers declined 8.2% to 40.52 million from 44.15 million in the first quarter of 2007.

The company’s first-quarter earnings met Wall Street expectations today thanks to strong growth in its wireless and FIOS home fiber-optic services businesses. With a 10% increase in first-quarter profit, and revenues that rose 5.5% to $23.83 billion, Verizon’s business would appear to be more recession-proof than others. “We’re really not seeing a change in trends,” Chief Financial Officer Doreen Toben said in an interview. “How many people are really going to drop their wireless phone?”

Not very many. Verizon added 1.5 million subscribers to its mobile business during the quarter. That said, there are plenty of folks willing to drop their landlines. Verizon wire-line subscribers declined 8.2% to 40.52 million from 44.15 million in the first quarter of 2007.

In remarks at the Westminster eForum on Web 2.0 this week in London, Jim Cicconi, vice president of legislative affairs for AT&T (T), said the Internet will hit its capacity in 2010. “The surge in online content is at the center of the most dramatic changes affecting the Internet today,” Cicconi said. “In three years’ time, 20 typical households will generate more traffic than the entire Internet today. We are going to be butting up against the physical capacity of the Internet by 2010.”

Clearly, some bigger tubes are in order here–$55 billion worth of them, according to Cicconi, who was quick to note that it will be companies like AT&T footing the bill for them. “There is nothing magic or ethereal about the Internet–it is no more ethereal than the highway system,” he said. “It is not created by an act of God, but upgraded and maintained by private investors.”

Ah yes, private investors. Like the ones who promised in the mid-1990s to provide fiber-optic connections to millions of households across the country in exchange for some $200 billion in tax cuts? The ones who never delivered on that promise, content to pocket direct tax credits of, on average, $2,000 per subscriber, without fulfilling their end of the bargain? Those investors?

In remarks at the Westminster eForum on Web 2.0 this week in London, Jim Cicconi, vice president of legislative affairs for AT&T (T), said the Internet will hit its capacity in 2010. “The surge in online content is at the center of the most dramatic changes affecting the Internet today,” Cicconi said. “In three years’ time, 20 typical households will generate more traffic than the entire Internet today. We are going to be butting up against the physical capacity of the Internet by 2010.”

Clearly, some bigger tubes are in order here–$55 billion worth of them, according to Cicconi, who was quick to note that it will be companies like AT&T footing the bill for them. “There is nothing magic or ethereal about the Internet–it is no more ethereal than the highway system,” he said. “It is not created by an act of God, but upgraded and maintained by private investors.”

Ah yes, private investors. Like the ones who promised in the mid-1990s to provide fiber-optic connections to millions of households across the country in exchange for some $200 billion in tax cuts? The ones who never delivered on that promise, content to pocket direct tax credits of, on average, $2,000 per subscriber, without fulfilling their end of the bargain? Those investors?

The so-called Mach-Zehnder electro-optic modulator transmits data between between multiple cores on a chip using pulses of light through silicon, instead of electrical signals on wires. It’s 100 to 1,000 times smaller than previously demonstrated modulators, and it transmits data 100 times faster than traditional copper wires while using 10 times less power.

If IBM’s able to replicate it commercially–and the company insists it can–it could inspire a vast array of new highly portable supercomputers that expend as little energy as a lightbulb. “Just like fiber-optic networks have enabled the rapid expansion of the Internet by enabling users to exchange huge amounts of data from anywhere in the world, IBM’s technology is bringing similar capabilities to the computer chip,” Will Green, IBM’s lead scientist on the project, told Reuters. “You immediately can envision the mobile applications that that would allow you to do. Remote laboratory instruments for medical applications, screening for diseases or even complicated DNA analysis.”

The so-called Mach-Zehnder electro-optic modulator transmits data between between multiple cores on a chip using pulses of light through silicon, instead of electrical signals on wires. It’s 100 to 1,000 times smaller than previously demonstrated modulators, and it transmits data 100 times faster than traditional copper wires while using 10 times less power.

If IBM’s able to replicate it commercially–and the company insists it can–it could inspire a vast array of new highly portable supercomputers that expend as little energy as a lightbulb. “Just like fiber-optic networks have enabled the rapid expansion of the Internet by enabling users to exchange huge amounts of data from anywhere in the world, IBM’s technology is bringing similar capabilities to the computer chip,” Will Green, IBM’s lead scientist on the project, told Reuters. “You immediately can envision the mobile applications that that would allow you to do. Remote laboratory instruments for medical applications, screening for diseases or even complicated DNA analysis.”

And what does that mean in lay terms? “Users will experience a slow, subtle degradation, so it’s back to the bad old days of dial-up,” said Nemertes President Johna Till Johnson. “The cool stuff that you’ll want to do will be such a pain in the rear that you won’t do it.”

To avoid such a scenario, Nemertes says backbone providers need to invest up to $137 billion in Internet infrastructure capacity–more than double what they’d planned. If they fail to do so, we may see that slow degradation to which Johnson referred and a stifling of innovation. “It’s important to stress that failing to make that investment will not cause the Internet to collapse,” Nemertes explains in its paper. “Instead, the primary impact of the lack of investment will be to throttle innovation–both the technical innovation that leads to increasingly newer and better applications, and the business innovation that relies on those technical innovations and applications to generate value. The next Google, YouTube or Amazon might not arise, not because of a lack of demand, but due to an inability to fulfill that demand. Rather like osteoporosis, the underinvestment in infrastructure will painlessly and invisibly leach competitiveness out of the economy.”

Nemertes’s last point about underinvestment in infrastructure is one worth noting. Because in the run-up to the Telecommunications Act of 1996 the incumbent telecoms promised to provide fiber-optic connections to millions of households across the country. In exchange, they were given some $200 billion in tax cuts and higher service rates to pay for it. But the telecoms didn’t spend that money on fiber upgrades–they spent it on long distance, wireless and inferior DSL services. “By 2005, if the Bell companies had actually delivered on their broadband promises, approximately 86 million households would have had fiber-optic-based services,” Bruce Kushnick, executive director of New Networks Institute, explains in “The $200 Billion Broadband Scandal.” “These state commitments also would have rewired schools and libraries, hospitals and government offices. And in most states, the plan called for ALL customers to be rewired equally, whether they were in rural or urban areas, rich or poor. Universal broadband was to be accomplished state-by-state because customers were, in essence, de facto investors funding these network upgrades.”

Something to think about when the Nemertes’s study begins popping up in telecom arguments against Net neutrality, as it almost certainly will.

And what does that mean in lay terms? “Users will experience a slow, subtle degradation, so it’s back to the bad old days of dial-up,” said Nemertes President Johna Till Johnson. “The cool stuff that you’ll want to do will be such a pain in the rear that you won’t do it.”

To avoid such a scenario, Nemertes says backbone providers need to invest up to $137 billion in Internet infrastructure capacity–more than double what they’d planned. If they fail to do so, we may see that slow degradation to which Johnson referred and a stifling of innovation. “It’s important to stress that failing to make that investment will not cause the Internet to collapse,” Nemertes explains in its paper. “Instead, the primary impact of the lack of investment will be to throttle innovation–both the technical innovation that leads to increasingly newer and better applications, and the business innovation that relies on those technical innovations and applications to generate value. The next Google, YouTube or Amazon might not arise, not because of a lack of demand, but due to an inability to fulfill that demand. Rather like osteoporosis, the underinvestment in infrastructure will painlessly and invisibly leach competitiveness out of the economy.”

Nemertes’s last point about underinvestment in infrastructure is one worth noting. Because in the run-up to the Telecommunications Act of 1996 the incumbent telecoms promised to provide fiber-optic connections to millions of households across the country. In exchange, they were given some $200 billion in tax cuts and higher service rates to pay for it. But the telecoms didn’t spend that money on fiber upgrades–they spent it on long distance, wireless and inferior DSL services. “By 2005, if the Bell companies had actually delivered on their broadband promises, approximately 86 million households would have had fiber-optic-based services,” Bruce Kushnick, executive director of New Networks Institute, explains in “The $200 Billion Broadband Scandal.” “These state commitments also would have rewired schools and libraries, hospitals and government offices. And in most states, the plan called for ALL customers to be rewired equally, whether they were in rural or urban areas, rich or poor. Universal broadband was to be accomplished state-by-state because customers were, in essence, de facto investors funding these network upgrades.”

Something to think about when the Nemertes’s study begins popping up in telecom arguments against Net neutrality, as it almost certainly will.